[INFO] fetching crate perceptron 0.1.1...
[INFO] testing perceptron-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate perceptron 0.1.1 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate perceptron 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98eeb9c4e1c57c10f325e292009ae62fe473baa52c219d6fdda24b77542f6d49
[INFO] running `Command { std: "docker" "start" "-a" "98eeb9c4e1c57c10f325e292009ae62fe473baa52c219d6fdda24b77542f6d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98eeb9c4e1c57c10f325e292009ae62fe473baa52c219d6fdda24b77542f6d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98eeb9c4e1c57c10f325e292009ae62fe473baa52c219d6fdda24b77542f6d49", kill_on_drop: false }`
[INFO] [stdout] 98eeb9c4e1c57c10f325e292009ae62fe473baa52c219d6fdda24b77542f6d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642719c94c64610cf899beeab9851d0cd99717e7d93401d9bbdf058a198c9cbd
[INFO] running `Command { std: "docker" "start" "-a" "642719c94c64610cf899beeab9851d0cd99717e7d93401d9bbdf058a198c9cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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 13.69s
[INFO] running `Command { std: "docker" "inspect" "642719c94c64610cf899beeab9851d0cd99717e7d93401d9bbdf058a198c9cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642719c94c64610cf899beeab9851d0cd99717e7d93401d9bbdf058a198c9cbd", kill_on_drop: false }`
[INFO] [stdout] 642719c94c64610cf899beeab9851d0cd99717e7d93401d9bbdf058a198c9cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4551d80e8feebb755cbb7b8a92627fcf94e5bf25dce9b3f48e07194b721543c3
[INFO] running `Command { std: "docker" "start" "-a" "4551d80e8feebb755cbb7b8a92627fcf94e5bf25dce9b3f48e07194b721543c3", 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "4551d80e8feebb755cbb7b8a92627fcf94e5bf25dce9b3f48e07194b721543c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4551d80e8feebb755cbb7b8a92627fcf94e5bf25dce9b3f48e07194b721543c3", kill_on_drop: false }`
[INFO] [stdout] 4551d80e8feebb755cbb7b8a92627fcf94e5bf25dce9b3f48e07194b721543c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f49079cbac69afc6b88ed5f7e2117cabb1b6a2c0fd3ac92a2fa462ae3eb3d72
[INFO] running `Command { std: "docker" "start" "-a" "4f49079cbac69afc6b88ed5f7e2117cabb1b6a2c0fd3ac92a2fa462ae3eb3d72", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perceptron-9e43e7690fe1e991)
[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 0.01s
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[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 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f49079cbac69afc6b88ed5f7e2117cabb1b6a2c0fd3ac92a2fa462ae3eb3d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f49079cbac69afc6b88ed5f7e2117cabb1b6a2c0fd3ac92a2fa462ae3eb3d72", kill_on_drop: false }`
[INFO] [stdout] 4f49079cbac69afc6b88ed5f7e2117cabb1b6a2c0fd3ac92a2fa462ae3eb3d72