[INFO] fetching crate rustic_ml 0.0.3...
[INFO] building rustic_ml-0.0.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rustic_ml 0.0.3 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustic_ml 0.0.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acc327f63edf6d522c31f57ba09344c35c8cfe946ae546cf7884e42140b69a09
[INFO] running `Command { std: "docker" "start" "-a" "acc327f63edf6d522c31f57ba09344c35c8cfe946ae546cf7884e42140b69a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acc327f63edf6d522c31f57ba09344c35c8cfe946ae546cf7884e42140b69a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc327f63edf6d522c31f57ba09344c35c8cfe946ae546cf7884e42140b69a09", kill_on_drop: false }`
[INFO] [stdout] acc327f63edf6d522c31f57ba09344c35c8cfe946ae546cf7884e42140b69a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64add869872de1aa9d3646a615211cdcadc831d0b774606156e9aa1fc34afeb8
[INFO] running `Command { std: "docker" "start" "-a" "64add869872de1aa9d3646a615211cdcadc831d0b774606156e9aa1fc34afeb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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<usize>,
[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<usize>,
[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<Option<Self::Item>>;
[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<Self::Item>>;
[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<Option<T>> {
[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<T>> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "64add869872de1aa9d3646a615211cdcadc831d0b774606156e9aa1fc34afeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64add869872de1aa9d3646a615211cdcadc831d0b774606156e9aa1fc34afeb8", kill_on_drop: false }`
[INFO] [stdout] 64add869872de1aa9d3646a615211cdcadc831d0b774606156e9aa1fc34afeb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44cfa9f3cb378d553c1b75b597e7840ea8564560619d321c40a227edd4c39117
[INFO] running `Command { std: "docker" "start" "-a" "44cfa9f3cb378d553c1b75b597e7840ea8564560619d321c40a227edd4c39117", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/data_utils/matrix.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         rows: Range<usize>,
[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<usize>,
[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<Option<Self::Item>>;
[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<Self::Item>>;
[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<Option<T>> {
[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<T>> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.66
[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 serde_json v1.0.117
[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<usize>,
[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<usize>,
[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<Option<Self::Item>>;
[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<Self::Item>>;
[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<Option<T>> {
[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<T>> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "44cfa9f3cb378d553c1b75b597e7840ea8564560619d321c40a227edd4c39117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cfa9f3cb378d553c1b75b597e7840ea8564560619d321c40a227edd4c39117", kill_on_drop: false }`
[INFO] [stdout] 44cfa9f3cb378d553c1b75b597e7840ea8564560619d321c40a227edd4c39117
