[INFO] fetching crate rustic_ml 0.0.3... [INFO] building rustic_ml-0.0.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate rustic_ml 0.0.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rustic_ml 0.0.3 [INFO] finished tweaking crates.io crate rustic_ml 0.0.3 [INFO] tweaked toml for crates.io crate rustic_ml 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rustic_ml 0.0.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rustic_ml 0.0.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ba78b73669792f47d5fbe556343fecc74318cf928d92902258df99cadfeffc4 [INFO] running `Command { std: "docker" "start" "-a" "9ba78b73669792f47d5fbe556343fecc74318cf928d92902258df99cadfeffc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ba78b73669792f47d5fbe556343fecc74318cf928d92902258df99cadfeffc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba78b73669792f47d5fbe556343fecc74318cf928d92902258df99cadfeffc4", kill_on_drop: false }` [INFO] [stdout] 9ba78b73669792f47d5fbe556343fecc74318cf928d92902258df99cadfeffc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e24d15874303a0ea6a465d1532f355d962cd22022c81d1fc3753523c602c6048 [INFO] running `Command { std: "docker" "start" "-a" "e24d15874303a0ea6a465d1532f355d962cd22022c81d1fc3753523c602c6048", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rustic_ml v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/data_utils/matrix.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | rows: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/data_utils/matrix.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | cols: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter>; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter<'_, Option>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s [INFO] running `Command { std: "docker" "inspect" "e24d15874303a0ea6a465d1532f355d962cd22022c81d1fc3753523c602c6048", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e24d15874303a0ea6a465d1532f355d962cd22022c81d1fc3753523c602c6048", kill_on_drop: false }` [INFO] [stdout] e24d15874303a0ea6a465d1532f355d962cd22022c81d1fc3753523c602c6048 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec7256456999c970fc06e4325c4622a555fbf3ca620948c5300e807231dfb6ce [INFO] running `Command { std: "docker" "start" "-a" "ec7256456999c970fc06e4325c4622a555fbf3ca620948c5300e807231dfb6ce", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling either v1.12.0 [INFO] [stderr] Compiling half v2.4.1 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling plotters-backend v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling plotters-svg v0.3.6 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling textwrap v0.16.1 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/data_utils/matrix.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | rows: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/data_utils/matrix.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | cols: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter>; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter<'_, Option>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling plotters v0.3.6 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.4.0 [INFO] [stderr] Compiling rustic_ml v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/data_utils/matrix.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | rows: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/data_utils/matrix.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | cols: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter>; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter<'_, Option>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 43.29s [INFO] running `Command { std: "docker" "inspect" "ec7256456999c970fc06e4325c4622a555fbf3ca620948c5300e807231dfb6ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec7256456999c970fc06e4325c4622a555fbf3ca620948c5300e807231dfb6ce", kill_on_drop: false }` [INFO] [stdout] ec7256456999c970fc06e4325c4622a555fbf3ca620948c5300e807231dfb6ce