[INFO] cloning repository https://github.com/Mendess2526/rustbrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mendess2526/rustbrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMendess2526%2Frustbrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMendess2526%2Frustbrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 748e6224fc8ed22c460170b129f7d6e2552fc5e7
[INFO] testing Mendess2526/rustbrain against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMendess2526%2Frustbrain" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mendess2526/rustbrain 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/Mendess2526/rustbrain
[INFO] finished tweaking git repo https://github.com/Mendess2526/rustbrain
[INFO] tweaked toml for git repo https://github.com/Mendess2526/rustbrain written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Mendess2526/rustbrain 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e580cf24841d16e46713a03f6ce8316757444512d7a40940e62f16dbac78dbed
[INFO] running `Command { std: "docker" "start" "-a" "e580cf24841d16e46713a03f6ce8316757444512d7a40940e62f16dbac78dbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e580cf24841d16e46713a03f6ce8316757444512d7a40940e62f16dbac78dbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e580cf24841d16e46713a03f6ce8316757444512d7a40940e62f16dbac78dbed", kill_on_drop: false }`
[INFO] [stdout] e580cf24841d16e46713a03f6ce8316757444512d7a40940e62f16dbac78dbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7d0eb0547575df37ba8a0f2c997e30eaa381e42dc9ebe1a4ae6732d9225446cd
[INFO] running `Command { std: "docker" "start" "-a" "7d0eb0547575df37ba8a0f2c997e30eaa381e42dc9ebe1a4ae6732d9225446cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufReader, BufWriter, Read, Write},
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "7d0eb0547575df37ba8a0f2c997e30eaa381e42dc9ebe1a4ae6732d9225446cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0eb0547575df37ba8a0f2c997e30eaa381e42dc9ebe1a4ae6732d9225446cd", kill_on_drop: false }`
[INFO] [stdout] 7d0eb0547575df37ba8a0f2c997e30eaa381e42dc9ebe1a4ae6732d9225446cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3c99be1a7cc82d841f35846a3aa6e8d505e210015e6960e6a74e3c4fbdf4bfd0
[INFO] running `Command { std: "docker" "start" "-a" "3c99be1a7cc82d841f35846a3aa6e8d505e210015e6960e6a74e3c4fbdf4bfd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufReader, BufWriter, Read, Write},
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "3c99be1a7cc82d841f35846a3aa6e8d505e210015e6960e6a74e3c4fbdf4bfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c99be1a7cc82d841f35846a3aa6e8d505e210015e6960e6a74e3c4fbdf4bfd0", kill_on_drop: false }`
[INFO] [stdout] 3c99be1a7cc82d841f35846a3aa6e8d505e210015e6960e6a74e3c4fbdf4bfd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3f96e5e1a27ee77cd8ee856ed2f6cbedbe42ae0cf2df4cf0ecd1b2cf31cbe2ec
[INFO] running `Command { std: "docker" "start" "-a" "3f96e5e1a27ee77cd8ee856ed2f6cbedbe42ae0cf2df4cf0ecd1b2cf31cbe2ec", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:7:27
[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] 7 |     io::{self, BufReader, BufWriter, Read, Write},
[INFO] [stdout] 
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brainfuck-46a6e7cc3fc7fff0)
[INFO] running `Command { std: "docker" "inspect" "3f96e5e1a27ee77cd8ee856ed2f6cbedbe42ae0cf2df4cf0ecd1b2cf31cbe2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f96e5e1a27ee77cd8ee856ed2f6cbedbe42ae0cf2df4cf0ecd1b2cf31cbe2ec", kill_on_drop: false }`
[INFO] [stdout] 3f96e5e1a27ee77cd8ee856ed2f6cbedbe42ae0cf2df4cf0ecd1b2cf31cbe2ec