[INFO] cloning repository https://github.com/djallen89/gremlin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djallen89/gremlin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjallen89%2Fgremlin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjallen89%2Fgremlin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea252257b5b3bba4d27921cf6d5550a8188f2b1e
[INFO] testing djallen89/gremlin against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjallen89%2Fgremlin" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djallen89/gremlin on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djallen89/gremlin
[INFO] finished tweaking git repo https://github.com/djallen89/gremlin
[INFO] tweaked toml for git repo https://github.com/djallen89/gremlin written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/djallen89/gremlin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.3.0
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded criterion v0.2.10
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] [stderr]   Downloaded openblas-src v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05bea5536b6593ddb19d251fa047f26aa94c23d401db1753850dbd6772abbf34
[INFO] running `Command { std: "docker" "start" "-a" "05bea5536b6593ddb19d251fa047f26aa94c23d401db1753850dbd6772abbf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05bea5536b6593ddb19d251fa047f26aa94c23d401db1753850dbd6772abbf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bea5536b6593ddb19d251fa047f26aa94c23d401db1753850dbd6772abbf34", kill_on_drop: false }`
[INFO] [stdout] 05bea5536b6593ddb19d251fa047f26aa94c23d401db1753850dbd6772abbf34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97d85ab811875a0a3ecb48d2a6be384a19a23d6ef3c9ff03e0f7b734b6edfd4
[INFO] running `Command { std: "docker" "start" "-a" "a97d85ab811875a0a3ecb48d2a6be384a19a23d6ef3c9ff03e0f7b734b6edfd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gremlin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "a97d85ab811875a0a3ecb48d2a6be384a19a23d6ef3c9ff03e0f7b734b6edfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97d85ab811875a0a3ecb48d2a6be384a19a23d6ef3c9ff03e0f7b734b6edfd4", kill_on_drop: false }`
[INFO] [stdout] a97d85ab811875a0a3ecb48d2a6be384a19a23d6ef3c9ff03e0f7b734b6edfd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 820e9c5e92bf4cbfc1390de188008edbe2eb75d6cf96dcdac1d0e563a808b817
[INFO] running `Command { std: "docker" "start" "-a" "820e9c5e92bf4cbfc1390de188008edbe2eb75d6cf96dcdac1d0e563a808b817", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling criterion v0.2.10
[INFO] [stderr]    Compiling gremlin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `matrix_madd_nmp_parallel`
[INFO] [stdout]  --> tests/chunk_par.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gremlin_lib::{matrix_madd_n_sq_chunked, matrix_madd_nmp_parallel};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/chunk_par.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout]   |                                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_range`
[INFO] [stdout]  --> tests/chunk_par.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/parallel.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout]   |                                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/test.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout]   |                                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stdout] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `L2_SIZE`
[INFO] [stdout]   --> src/lib/mod.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]   --> src/lib/mod.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/matrix_math.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_stripes`
[INFO] [stdout]    --> src/lib/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_pillars`
[INFO] [stdout]    --> src/lib/mod.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `param_gather`
[INFO] [stdout]    --> src/lib/mod.rs:305:11
[INFO] [stdout]     |
[INFO] [stdout] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_addr`
[INFO] [stdout]  --> src/lib/danger_math.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib/mod.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!(f)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Err(f) => panic!("{}", f)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib/mod.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!(f)
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Err(f) => panic!("{}", f)
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "820e9c5e92bf4cbfc1390de188008edbe2eb75d6cf96dcdac1d0e563a808b817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820e9c5e92bf4cbfc1390de188008edbe2eb75d6cf96dcdac1d0e563a808b817", kill_on_drop: false }`
[INFO] [stdout] 820e9c5e92bf4cbfc1390de188008edbe2eb75d6cf96dcdac1d0e563a808b817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9475d15918f9a0ab34f043a241f11daa3b038e592a154810743b6b19990bb36
[INFO] running `Command { std: "docker" "start" "-a" "f9475d15918f9a0ab34f043a241f11daa3b038e592a154810743b6b19990bb36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `L2_SIZE`
[INFO] [stderr]   --> src/lib/mod.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 | use matrix_math::{L1_SIZE, L2_SIZE, BLOCKROW, BLOCKCOL, BLOCKM};
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]   --> src/lib/mod.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::cmp::{min, max};
[INFO] [stderr]    |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/matrix_math.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 | type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 61 - type BlockFn<'a> = &'a Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stderr] 61 + type BlockFn<'a> = &'a dyn Fn(Stride, Stride, Dim, Dim, Dim, ConstPtr, ConstPtr, MutPtr);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_stripes`
[INFO] [stderr]    --> src/lib/mod.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let total_stripes = (stripes / block_rs) + if row_rem > 0 { 1 } else { 0 };
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_stripes`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_pillars`
[INFO] [stderr]    --> src/lib/mod.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let total_pillars = (pillars / block_cs) + if col_rem > 0 { 1 } else { 0 };
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_pillars`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `param_gather`
[INFO] [stderr]    --> src/lib/mod.rs:305:11
[INFO] [stderr]     |
[INFO] [stderr] 305 | unsafe fn param_gather(threads: usize, min_size: usize, m_stride: usize, p_stride: usize,
[INFO] [stderr]     |           ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_addr`
[INFO] [stderr]  --> src/lib/danger_math.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn from_addr(borrow_addr: &f64) -> Ptr {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/lib/mod.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Err(f) => panic!(f)
[INFO] [stderr]    |                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Err(f) => panic!("{}", f)
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/lib/mod.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Err(f) => panic!(f)
[INFO] [stderr]    |                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Err(f) => panic!("{}", f)
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/lib/mod.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Err(f) => panic!(f)
[INFO] [stderr]    |                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Err(f) => panic!("{}", f)
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib/mod.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Err(f) => panic!(f)
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Err(f) => panic!("{}", f)
[INFO] [stderr]     |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `gremlin` (lib) generated 11 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/test.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr]   |                                                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/parallel.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr]   |                                                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `matrix_madd_nmp_parallel`
[INFO] [stderr]  --> tests/chunk_par.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | use gremlin_lib::{matrix_madd_n_sq_chunked, matrix_madd_nmp_parallel};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/chunk_par.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr]   |                                                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 - fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr] 3 + fn test_range(begin: usize, end: usize, func: &dyn Fn(usize)) {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_range`
[INFO] [stderr]  --> tests/chunk_par.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn test_range(begin: usize, end: usize, func: &Fn(usize)) {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gremlin` (bin "gremlin" test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `gremlin` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `gremlin` (test "test") generated 1 warning
[INFO] [stderr] warning: `gremlin` (test "parallel") generated 1 warning
[INFO] [stderr] warning: `gremlin` (bin "gremlin") generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `gremlin` (test "chunk_par") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gremlin_lib-daaaefbe104da4ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gremlin-658adcba6c153f41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/chunk_par.rs (/opt/rustwide/target/debug/deps/chunk_par-fff9c9363d69870f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr] error: test failed, to rerun pass '--test chunk_par'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/chunk_par-fff9c9363d69870f` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "f9475d15918f9a0ab34f043a241f11daa3b038e592a154810743b6b19990bb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9475d15918f9a0ab34f043a241f11daa3b038e592a154810743b6b19990bb36", kill_on_drop: false }`
[INFO] [stdout] f9475d15918f9a0ab34f043a241f11daa3b038e592a154810743b6b19990bb36