[INFO] cloning repository https://github.com/robertecurtin/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertecurtin/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertecurtin%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertecurtin%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e4037767a8cf62da0d658f55e767927e1ae037b
[INFO] testing robertecurtin/learning-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertecurtin%2Flearning-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertecurtin/learning-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robertecurtin/learning-rust
[INFO] finished tweaking git repo https://github.com/robertecurtin/learning-rust
[INFO] tweaked toml for git repo https://github.com/robertecurtin/learning-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/robertecurtin/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d46f45c9f532d01afcafdca49649098403f8a08a0d807d9664270f2c6db5fb
[INFO] running `Command { std: "docker" "start" "-a" "98d46f45c9f532d01afcafdca49649098403f8a08a0d807d9664270f2c6db5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d46f45c9f532d01afcafdca49649098403f8a08a0d807d9664270f2c6db5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d46f45c9f532d01afcafdca49649098403f8a08a0d807d9664270f2c6db5fb", kill_on_drop: false }`
[INFO] [stdout] 98d46f45c9f532d01afcafdca49649098403f8a08a0d807d9664270f2c6db5fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa2c29de35aeb3cee3641aeb55d26b48b9787fcecac7ab55b1159cd8837882e
[INFO] running `Command { std: "docker" "start" "-a" "8aa2c29de35aeb3cee3641aeb55d26b48b9787fcecac7ab55b1159cd8837882e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |   struct ALibrary {};
[INFO] [stdout]    |                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter6.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "8aa2c29de35aeb3cee3641aeb55d26b48b9787fcecac7ab55b1159cd8837882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa2c29de35aeb3cee3641aeb55d26b48b9787fcecac7ab55b1159cd8837882e", kill_on_drop: false }`
[INFO] [stdout] 8aa2c29de35aeb3cee3641aeb55d26b48b9787fcecac7ab55b1159cd8837882e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e82b03b22ae62d44fffa84017ee012223ca9e24283c9de7e4fdb7b38d3c784
[INFO] running `Command { std: "docker" "start" "-a" "b1e82b03b22ae62d44fffa84017ee012223ca9e24283c9de7e4fdb7b38d3c784", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |   struct ALibrary {};
[INFO] [stdout]    |                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter5.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/chapter6.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1e82b03b22ae62d44fffa84017ee012223ca9e24283c9de7e4fdb7b38d3c784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e82b03b22ae62d44fffa84017ee012223ca9e24283c9de7e4fdb7b38d3c784", kill_on_drop: false }`
[INFO] [stdout] b1e82b03b22ae62d44fffa84017ee012223ca9e24283c9de7e4fdb7b38d3c784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c541224b1c94f32f8693b4378e13ec33324a9ab6c4336727ae5269b7e4e87642
[INFO] running `Command { std: "docker" "start" "-a" "c541224b1c94f32f8693b4378e13ec33324a9ab6c4336727ae5269b7e4e87642", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/chapter5.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |   struct ALibrary {};
[INFO] [stderr]    |                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/chapter5.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 |   };
[INFO] [stderr]    |    ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/chapter5.rs:75:4
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 75 |   };
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] 
[INFO] [stderr]   --> src/chapter6.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 |   };
[INFO] [stderr]    |    ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-a44bb01b92e3a073)
[INFO] running `Command { std: "docker" "inspect" "c541224b1c94f32f8693b4378e13ec33324a9ab6c4336727ae5269b7e4e87642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c541224b1c94f32f8693b4378e13ec33324a9ab6c4336727ae5269b7e4e87642", kill_on_drop: false }`
[INFO] [stdout] c541224b1c94f32f8693b4378e13ec33324a9ab6c4336727ae5269b7e4e87642