[INFO] fetching crate mnist 0.5.0...
[INFO] testing mnist-0.5.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mnist 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mnist 0.5.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mnist 0.5.0
[INFO] finished tweaking crates.io crate mnist 0.5.0
[INFO] tweaked toml for crates.io crate mnist 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mnist 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a881d265f3d3348bb3047bbd5defb75d0387fc2cb92b5dd9e413df40ea922f0c
[INFO] running `Command { std: "docker" "start" "-a" "a881d265f3d3348bb3047bbd5defb75d0387fc2cb92b5dd9e413df40ea922f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a881d265f3d3348bb3047bbd5defb75d0387fc2cb92b5dd9e413df40ea922f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a881d265f3d3348bb3047bbd5defb75d0387fc2cb92b5dd9e413df40ea922f0c", kill_on_drop: false }`
[INFO] [stdout] a881d265f3d3348bb3047bbd5defb75d0387fc2cb92b5dd9e413df40ea922f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800b282624fd0b5568848618dc8f1024355190dd5fb41034ae2c18bcaa779a34
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "800b282624fd0b5568848618dc8f1024355190dd5fb41034ae2c18bcaa779a34", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling mnist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base_url`
[INFO] [stdout]    --> src/lib.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let base_url = if self.use_fashion_data {
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 | /             format!(
[INFO] [stdout] 434 | |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 | |                 total_length, available_length
[INFO] [stdout] 436 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 433 ~             
[INFO] [stdout] 434 |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 |                 total_length, available_length
[INFO] [stdout] 436 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 | /         format!(
[INFO] [stdout] 563 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 | |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 562 ~         
[INFO] [stdout] 563 |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:572:9
[INFO] [stdout]     |
[INFO] [stdout] 572 | /         format!(
[INFO] [stdout] 573 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 | |             expected_length, length
[INFO] [stdout] 575 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 572 ~         
[INFO] [stdout] 573 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 |             expected_length, length
[INFO] [stdout] 575 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:599:9
[INFO] [stdout]     |
[INFO] [stdout] 599 | /         format!(
[INFO] [stdout] 600 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 | |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 599 ~         
[INFO] [stdout] 600 |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 | /         format!(
[INFO] [stdout] 610 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 | |             expected_length, length
[INFO] [stdout] 612 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 609 ~         
[INFO] [stdout] 610 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 |             expected_length, length
[INFO] [stdout] 612 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 620 -         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout] 620 +         "Expected rows length of {} got {}.", ROWS, rows
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 628 -         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout] 628 +         "Expected cols length of {} got {}.", COLS, cols
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         tst_img.split_off(tst_len * ROWS * COLS);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         tst_lbl.split_off(tst_len);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "800b282624fd0b5568848618dc8f1024355190dd5fb41034ae2c18bcaa779a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800b282624fd0b5568848618dc8f1024355190dd5fb41034ae2c18bcaa779a34", kill_on_drop: false }`
[INFO] [stdout] 800b282624fd0b5568848618dc8f1024355190dd5fb41034ae2c18bcaa779a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2cd5e93fbcd85ef8e0c216db303dbb075ca9992112e3b87af073661f5b97da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c2cd5e93fbcd85ef8e0c216db303dbb075ca9992112e3b87af073661f5b97da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stdout] warning: unused variable: `base_url`
[INFO] [stdout]    --> src/lib.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let base_url = if self.use_fashion_data {
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 | /             format!(
[INFO] [stdout] 434 | |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 | |                 total_length, available_length
[INFO] [stdout] 436 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 433 ~             
[INFO] [stdout] 434 |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 |                 total_length, available_length
[INFO] [stdout] 436 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 | /         format!(
[INFO] [stdout] 563 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 | |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 562 ~         
[INFO] [stdout] 563 |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:572:9
[INFO] [stdout]     |
[INFO] [stdout] 572 | /         format!(
[INFO] [stdout] 573 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 | |             expected_length, length
[INFO] [stdout] 575 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 572 ~         
[INFO] [stdout] 573 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 |             expected_length, length
[INFO] [stdout] 575 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:599:9
[INFO] [stdout]     |
[INFO] [stdout] 599 | /         format!(
[INFO] [stdout] 600 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 | |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 599 ~         
[INFO] [stdout] 600 |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 | /         format!(
[INFO] [stdout] 610 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 | |             expected_length, length
[INFO] [stdout] 612 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 609 ~         
[INFO] [stdout] 610 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 |             expected_length, length
[INFO] [stdout] 612 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 620 -         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout] 620 +         "Expected rows length of {} got {}.", ROWS, rows
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 628 -         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout] 628 +         "Expected cols length of {} got {}.", COLS, cols
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         tst_img.split_off(tst_len * ROWS * COLS);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         tst_lbl.split_off(tst_len);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling show-image v0.6.5
[INFO] [stderr]    Compiling mnist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base_url`
[INFO] [stdout]    --> src/lib.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let base_url = if self.use_fashion_data {
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 | /             format!(
[INFO] [stdout] 434 | |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 | |                 total_length, available_length
[INFO] [stdout] 436 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 433 ~             
[INFO] [stdout] 434 |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stdout] 435 |                 total_length, available_length
[INFO] [stdout] 436 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 | /         format!(
[INFO] [stdout] 563 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 | |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 562 ~         
[INFO] [stdout] 563 |             "Expected magic number {} got {}.",
[INFO] [stdout] 564 |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stdout] 565 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:572:9
[INFO] [stdout]     |
[INFO] [stdout] 572 | /         format!(
[INFO] [stdout] 573 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 | |             expected_length, length
[INFO] [stdout] 575 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 572 ~         
[INFO] [stdout] 573 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 574 |             expected_length, length
[INFO] [stdout] 575 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:599:9
[INFO] [stdout]     |
[INFO] [stdout] 599 | /         format!(
[INFO] [stdout] 600 | |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 | |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 599 ~         
[INFO] [stdout] 600 |             "Expected magic number {} got {}.",
[INFO] [stdout] 601 |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stdout] 602 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 | /         format!(
[INFO] [stdout] 610 | |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 | |             expected_length, length
[INFO] [stdout] 612 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 609 ~         
[INFO] [stdout] 610 |             "Expected data set length of {} got {}.",
[INFO] [stdout] 611 |             expected_length, length
[INFO] [stdout] 612 ~         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 620 -         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stdout] 620 +         "Expected rows length of {} got {}.", ROWS, rows
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 628 -         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stdout] 628 +         "Expected cols length of {} got {}.", COLS, cols
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         tst_img.split_off(tst_len * ROWS * COLS);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         tst_lbl.split_off(tst_len);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "1c2cd5e93fbcd85ef8e0c216db303dbb075ca9992112e3b87af073661f5b97da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2cd5e93fbcd85ef8e0c216db303dbb075ca9992112e3b87af073661f5b97da", kill_on_drop: false }`
[INFO] [stdout] 1c2cd5e93fbcd85ef8e0c216db303dbb075ca9992112e3b87af073661f5b97da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 707e25e0e8e6bd402600804f07903f4c1b91ebc01a0a69ca522326a1d12a74a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "707e25e0e8e6bd402600804f07903f4c1b91ebc01a0a69ca522326a1d12a74a3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `base_url`
[INFO] [stdout] running 15 tests
[INFO] [stderr]    --> src/lib.rs:404:17
[INFO] [stdout] test tests::normalize_vector ... ok
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let base_url = if self.use_fashion_data {
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:433:13
[INFO] [stderr]     |
[INFO] [stderr] 433 | /             format!(
[INFO] [stderr] 434 | |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stderr] 435 | |                 total_length, available_length
[INFO] [stderr] 436 | |             )
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 433 ~             
[INFO] [stderr] 434 |                 "Total data set length ({}) greater than maximum possible length ({}).",
[INFO] [stderr] 435 |                 total_length, available_length
[INFO] [stderr] 436 ~             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 | /         format!(
[INFO] [stderr] 563 | |             "Expected magic number {} got {}.",
[INFO] [stderr] 564 | |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stderr] 565 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 562 ~         
[INFO] [stderr] 563 |             "Expected magic number {} got {}.",
[INFO] [stderr] 564 |             LBL_MAGIC_NUMBER, magic_number
[INFO] [stderr] 565 ~         
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:572:9
[INFO] [stderr]     |
[INFO] [stderr] 572 | /         format!(
[INFO] [stderr] 573 | |             "Expected data set length of {} got {}.",
[INFO] [stderr] 574 | |             expected_length, length
[INFO] [stderr] 575 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 572 ~         
[INFO] [stderr] 573 |             "Expected data set length of {} got {}.",
[INFO] [stderr] 574 |             expected_length, length
[INFO] [stderr] 575 ~         
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:599:9
[INFO] [stderr]     |
[INFO] [stderr] 599 | /         format!(
[INFO] [stderr] 600 | |             "Expected magic number {} got {}.",
[INFO] [stderr] 601 | |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stderr] 602 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 599 ~         
[INFO] [stderr] 600 |             "Expected magic number {} got {}.",
[INFO] [stderr] 601 |             IMG_MAGIC_NUMBER, magic_number
[INFO] [stderr] 602 ~         
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:609:9
[INFO] [stderr]     |
[INFO] [stderr] 609 | /         format!(
[INFO] [stderr] 610 | |             "Expected data set length of {} got {}.",
[INFO] [stderr] 611 | |             expected_length, length
[INFO] [stderr] 612 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 609 ~         
[INFO] [stderr] 610 |             "Expected data set length of {} got {}.",
[INFO] [stderr] 611 |             expected_length, length
[INFO] [stderr] 612 ~         
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:620:9
[INFO] [stderr]     |
[INFO] [stderr] 620 |         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 620 -         format!("Expected rows length of {} got {}.", ROWS, rows)
[INFO] [stderr] 620 +         "Expected rows length of {} got {}.", ROWS, rows
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:628:9
[INFO] [stderr]     |
[INFO] [stderr] 628 |         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 628 -         format!("Expected cols length of {} got {}.", COLS, cols)
[INFO] [stderr] 628 +         "Expected cols length of {} got {}.", COLS, cols
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]    --> src/lib.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         tst_img.split_off(tst_len * ROWS * COLS);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]    --> src/lib.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         tst_lbl.split_off(tst_len);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: `mnist` (lib) generated 10 warnings
[INFO] [stderr] warning: `mnist` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mnist-9c86851748bc8c99)
[INFO] [stdout] test tests::test_04 - should panic ... ok
[INFO] [stdout] test tests::test_06 ... FAILED
[INFO] [stdout] test tests::test_08 - should panic ... ok
[INFO] [stdout] test tests::test_09 - should panic ... ok
[INFO] [stdout] test tests::test_10 - should panic ... FAILED
[INFO] [stdout] test tests::test_11 - should panic ... FAILED
[INFO] [stdout] test tests::test_12 - should panic ... FAILED
[INFO] [stdout] test tests::test_example ... FAILED
[INFO] [stdout] test tests::test_03 - should panic ... ok
[INFO] [stdout] test tests::test_02 - should panic ... ok
[INFO] [stdout] test tests::test_01 ... FAILED
[INFO] [stdout] test tests::test_00 ... FAILED
[INFO] [stdout] test tests::test_05 - should panic ... ok
[INFO] [stdout] test tests::test_07 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_06 stdout ----
[INFO] [stdout] thread 'tests::test_06' panicked at 'Unable to find path to images at "data_sets/mnist/training_images".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f3db1 - mnist::tests::test_06::h6da9ce47f30dcad4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:132:17
[INFO] [stdout]   20:     0x555e7c2f3c9a - mnist::tests::test_06::{{closure}}::h87935c607b32abc2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:131:1
[INFO] [stdout]   21:     0x555e7c30a0ae - core::ops::function::FnOnce::call_once::h919d4e94c53437b3
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_10 stdout ----
[INFO] [stdout] thread 'tests::test_10' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f425f - mnist::tests::test_10::hfc7f4a67a3074313
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:184:13
[INFO] [stdout]   20:     0x555e7c2f420a - mnist::tests::test_10::{{closure}}::hdfbd39f1ed80046d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:183:1
[INFO] [stdout]   21:     0x555e7c309ede - core::ops::function::FnOnce::call_once::h542da514b9b15f90
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: `"Unable to find path to images at \"data/train-images-idx3-ubyte\"."`,
[INFO] [stdout]  expected substring: `"Unable to find path to labels at \"data/test\"."`
[INFO] [stdout] ---- tests::test_11 stdout ----
[INFO] [stdout] thread 'tests::test_11' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f42df - mnist::tests::test_11::h0522efdc041e5edd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:192:13
[INFO] [stdout]   20:     0x555e7c2f428a - mnist::tests::test_11::{{closure}}::hff14d39e05d91bb1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:191:1
[INFO] [stdout]   21:     0x555e7c30a02e - core::ops::function::FnOnce::call_once::h79df9a6539d548e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: `"Unable to find path to images at \"data/train-images-idx3-ubyte\"."`,
[INFO] [stdout]  expected substring: `"Unable to find path to images at \"data/test\"."`
[INFO] [stdout] ---- tests::test_12 stdout ----
[INFO] [stdout] thread 'tests::test_12' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f435f - mnist::tests::test_12::h0603071261f8300a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:198:13
[INFO] [stdout]   20:     0x555e7c2f430a - mnist::tests::test_12::{{closure}}::h52f3188a7c0795ad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:197:1
[INFO] [stdout]   21:     0x555e7c309e5e - core::ops::function::FnOnce::call_once::h334725a440df9e66
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: `"Unable to find path to images at \"data/train-images-idx3-ubyte\"."`,
[INFO] [stdout]  expected substring: `"Unable to find path to labels at \"data/test\"."`
[INFO] [stdout] ---- tests::test_example stdout ----
[INFO] [stdout] thread 'tests::test_example' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f28b4 - mnist::tests::test_example::h4db5b732f57a0543
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:15:9
[INFO] [stdout]   20:     0x555e7c2f280a - mnist::tests::test_example::{{closure}}::h27adbb1b3c91614c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:7:1
[INFO] [stdout]   21:     0x555e7c309f6e - core::ops::function::FnOnce::call_once::h62109c67cd819fa7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_01 stdout ----
[INFO] [stdout] thread 'tests::test_01' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f361a - mnist::tests::test_01::h59eb10595358092c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:62:17
[INFO] [stdout]   20:     0x555e7c2f358a - mnist::tests::test_01::{{closure}}::hd0b08c25e704b231
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:61:1
[INFO] [stdout]   21:     0x555e7c309e9e - core::ops::function::FnOnce::call_once::h3535f7097abad37a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_00 stdout ----
[INFO] [stdout] thread 'tests::test_00' panicked at 'Unable to find path to images at "data/train-images-idx3-ubyte".', src/lib.rs:585:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e7c37b92c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x555e7c37b92c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e7c37b92c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e7c37b92c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e7c39f0ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x555e7c377765 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x555e7c37d380 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e7c37d380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e7c37d380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x555e7c37cf66 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x555e7c37da34 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x555e7c37d510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x555e7c37bde4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x555e7c37d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x555e7c2e58f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x555e7c308ba6 - mnist::images::{{closure}}::h8d77b236caeef123
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:585:33
[INFO] [stdout]   16:     0x555e7c2f6c87 - core::result::Result<T,E>::unwrap_or_else::h34ae84f397ebb93a
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23
[INFO] [stdout]   17:     0x555e7c30827f - mnist::images::ha27047f6cbeb0497
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:584:22
[INFO] [stdout]   18:     0x555e7c306ebf - mnist::MnistBuilder::finalize::hf8974e3f91ce824e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:438:27
[INFO] [stdout]   19:     0x555e7c2f32e6 - mnist::tests::test_00::h7401dd47253fc74c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:49:17
[INFO] [stdout]   20:     0x555e7c2f32aa - mnist::tests::test_00::{{closure}}::hf71ef04a67e3b60f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:48:1
[INFO] [stdout]   21:     0x555e7c309fee - core::ops::function::FnOnce::call_once::h6ecc892060b8c26e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e7c34cf63 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e7c34cf63 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   24:     0x555e7c34bb77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25:     0x555e7c34bb77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x555e7c34bb77 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   27:     0x555e7c34bb77 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   28:     0x555e7c34bb77 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   29:     0x555e7c34bb77 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   30:     0x555e7c34bb77 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   31:     0x555e7c318e1e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   32:     0x555e7c318e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   33:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   34:     0x555e7c31db78 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x555e7c31db78 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   36:     0x555e7c31db78 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   37:     0x555e7c31db78 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   38:     0x555e7c31db78 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   39:     0x555e7c31db78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   41:     0x555e7c3824c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   42:     0x555e7c3824c3 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7fba6e5dd609 - start_thread
[INFO] [stdout]   44:     0x7fba6e3af293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_00
[INFO] [stdout]     tests::test_01
[INFO] [stdout]     tests::test_06
[INFO] [stdout]     tests::test_10
[INFO] [stdout]     tests::test_11
[INFO] [stdout]     tests::test_12
[INFO] [stdout]     tests::test_example
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "707e25e0e8e6bd402600804f07903f4c1b91ebc01a0a69ca522326a1d12a74a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707e25e0e8e6bd402600804f07903f4c1b91ebc01a0a69ca522326a1d12a74a3", kill_on_drop: false }`
[INFO] [stdout] 707e25e0e8e6bd402600804f07903f4c1b91ebc01a0a69ca522326a1d12a74a3