[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#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMendess2526%2Frustbrain" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mendess2526/rustbrain on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5580249c4ba7dccdae7581160d66ca0d80c3ccc36f1a3d6a88ee744ae851cf16
[INFO] running `Command { std: "docker" "start" "-a" "5580249c4ba7dccdae7581160d66ca0d80c3ccc36f1a3d6a88ee744ae851cf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5580249c4ba7dccdae7581160d66ca0d80c3ccc36f1a3d6a88ee744ae851cf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5580249c4ba7dccdae7581160d66ca0d80c3ccc36f1a3d6a88ee744ae851cf16", kill_on_drop: false }`
[INFO] [stdout] 5580249c4ba7dccdae7581160d66ca0d80c3ccc36f1a3d6a88ee744ae851cf16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d33b7274446187faa3aba7a636106002b39c8ee89c826d47be657187688c973
[INFO] running `Command { std: "docker" "start" "-a" "2d33b7274446187faa3aba7a636106002b39c8ee89c826d47be657187688c973", 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 0.84s
[INFO] running `Command { std: "docker" "inspect" "2d33b7274446187faa3aba7a636106002b39c8ee89c826d47be657187688c973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d33b7274446187faa3aba7a636106002b39c8ee89c826d47be657187688c973", kill_on_drop: false }`
[INFO] [stdout] 2d33b7274446187faa3aba7a636106002b39c8ee89c826d47be657187688c973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e220544558893d37cce34f156ec0f142dc3da2d9bb413dca413be96e468a047
[INFO] running `Command { std: "docker" "start" "-a" "7e220544558893d37cce34f156ec0f142dc3da2d9bb413dca413be96e468a047", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e220544558893d37cce34f156ec0f142dc3da2d9bb413dca413be96e468a047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e220544558893d37cce34f156ec0f142dc3da2d9bb413dca413be96e468a047", kill_on_drop: false }`
[INFO] [stdout] 7e220544558893d37cce34f156ec0f142dc3da2d9bb413dca413be96e468a047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8578dbe67fa3ee2effa0c10ee2e30f2792a6fa8d6dfa7f5a801f842b77ca7b9c
[INFO] running `Command { std: "docker" "start" "-a" "8578dbe67fa3ee2effa0c10ee2e30f2792a6fa8d6dfa7f5a801f842b77ca7b9c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     io::{self, BufReader, BufWriter, Read, Write},
[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] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brainfuck-2a4a01747339bab9)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8578dbe67fa3ee2effa0c10ee2e30f2792a6fa8d6dfa7f5a801f842b77ca7b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8578dbe67fa3ee2effa0c10ee2e30f2792a6fa8d6dfa7f5a801f842b77ca7b9c", kill_on_drop: false }`
[INFO] [stdout] 8578dbe67fa3ee2effa0c10ee2e30f2792a6fa8d6dfa7f5a801f842b77ca7b9c