[INFO] fetching crate perceptron 0.1.1...
[INFO] testing perceptron-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate perceptron 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate perceptron 0.1.1
[INFO] finished tweaking crates.io crate perceptron 0.1.1
[INFO] tweaked toml for crates.io crate perceptron 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate perceptron 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90559c334dc8d298b2a0fea3b853f2422101590eab9c8b47b01a932ae02e3b20
[INFO] running `Command { std: "docker" "start" "-a" "90559c334dc8d298b2a0fea3b853f2422101590eab9c8b47b01a932ae02e3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90559c334dc8d298b2a0fea3b853f2422101590eab9c8b47b01a932ae02e3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90559c334dc8d298b2a0fea3b853f2422101590eab9c8b47b01a932ae02e3b20", kill_on_drop: false }`
[INFO] [stdout] 90559c334dc8d298b2a0fea3b853f2422101590eab9c8b47b01a932ae02e3b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382bc83631e58700a9a875838f1818fca6ac1cfc77331e98a92f5edd47967b30
[INFO] running `Command { std: "docker" "start" "-a" "382bc83631e58700a9a875838f1818fca6ac1cfc77331e98a92f5edd47967b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling perceptron v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:69:60
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout]    |                                                            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout] 69 +         let temp: Vec<f32> = self.s_weights.iter().map(|w| w / (self.n_examples as f32)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "382bc83631e58700a9a875838f1818fca6ac1cfc77331e98a92f5edd47967b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382bc83631e58700a9a875838f1818fca6ac1cfc77331e98a92f5edd47967b30", kill_on_drop: false }`
[INFO] [stdout] 382bc83631e58700a9a875838f1818fca6ac1cfc77331e98a92f5edd47967b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b6ea5cd4cd5532c1b6e6a2a01ca6e42825e6abb4e4457a22135778fbd75ea80
[INFO] running `Command { std: "docker" "start" "-a" "5b6ea5cd4cd5532c1b6e6a2a01ca6e42825e6abb4e4457a22135778fbd75ea80", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:69:60
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout]    |                                                            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout] 69 +         let temp: Vec<f32> = self.s_weights.iter().map(|w| w / (self.n_examples as f32)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling perceptron v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:69:60
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout]    |                                                            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stdout] 69 +         let temp: Vec<f32> = self.s_weights.iter().map(|w| w / (self.n_examples as f32)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "5b6ea5cd4cd5532c1b6e6a2a01ca6e42825e6abb4e4457a22135778fbd75ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6ea5cd4cd5532c1b6e6a2a01ca6e42825e6abb4e4457a22135778fbd75ea80", kill_on_drop: false }`
[INFO] [stdout] 5b6ea5cd4cd5532c1b6e6a2a01ca6e42825e6abb4e4457a22135778fbd75ea80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aff8ec979707c9ff381e3036523ea741d418ff4bb92864d27d1b52b98997d42c
[INFO] running `Command { std: "docker" "start" "-a" "aff8ec979707c9ff381e3036523ea741d418ff4bb92864d27d1b52b98997d42c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:69:60
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stderr]    |                                                            ^                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stderr] 69 +         let temp: Vec<f32> = self.s_weights.iter().map(|w| w / (self.n_examples as f32)).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `perceptron` (lib) generated 1 warning (run `cargo fix --lib -p perceptron` to apply 1 suggestion)
[INFO] [stderr] warning: `perceptron` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perceptron-064302ca972a8da2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::or_works ... ok
[INFO] [stdout] test tests::and_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perceptron
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:69:60
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stderr]    |                                                            ^                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -         let temp: Vec<f32> = self.s_weights.iter().map(|w| (w / (self.n_examples as f32))).collect();
[INFO] [stderr] 69 +         let temp: Vec<f32> = self.s_weights.iter().map(|w| w / (self.n_examples as f32)).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aff8ec979707c9ff381e3036523ea741d418ff4bb92864d27d1b52b98997d42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff8ec979707c9ff381e3036523ea741d418ff4bb92864d27d1b52b98997d42c", kill_on_drop: false }`
[INFO] [stdout] aff8ec979707c9ff381e3036523ea741d418ff4bb92864d27d1b52b98997d42c