[INFO] cloning repository https://github.com/athaeryn/rustbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athaeryn/rustbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathaeryn%2Frustbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathaeryn%2Frustbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f43ef998f10024d2b5022ac9f2bd16df5b49bbf
[INFO] testing athaeryn/rustbf against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathaeryn%2Frustbf" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/athaeryn/rustbf 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/athaeryn/rustbf
[INFO] finished tweaking git repo https://github.com/athaeryn/rustbf
[INFO] tweaked toml for git repo https://github.com/athaeryn/rustbf written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/athaeryn/rustbf 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e0c0b3e1a4d939c5449e8c8daa6865960c1565015c6ce201d5f3da7ec42ee065
[INFO] running `Command { std: "docker" "start" "-a" "e0c0b3e1a4d939c5449e8c8daa6865960c1565015c6ce201d5f3da7ec42ee065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c0b3e1a4d939c5449e8c8daa6865960c1565015c6ce201d5f3da7ec42ee065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c0b3e1a4d939c5449e8c8daa6865960c1565015c6ce201d5f3da7ec42ee065", kill_on_drop: false }`
[INFO] [stdout] e0c0b3e1a4d939c5449e8c8daa6865960c1565015c6ce201d5f3da7ec42ee065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 54ac1e8d5a39b99a3d1e6cf6a7a0206b8d13a40c16c5c43d073b2bf3f942662a
[INFO] running `Command { std: "docker" "start" "-a" "54ac1e8d5a39b99a3d1e6cf6a7a0206b8d13a40c16c5c43d073b2bf3f942662a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{stdin, Write, Read};
[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 0.71s
[INFO] running `Command { std: "docker" "inspect" "54ac1e8d5a39b99a3d1e6cf6a7a0206b8d13a40c16c5c43d073b2bf3f942662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ac1e8d5a39b99a3d1e6cf6a7a0206b8d13a40c16c5c43d073b2bf3f942662a", kill_on_drop: false }`
[INFO] [stdout] 54ac1e8d5a39b99a3d1e6cf6a7a0206b8d13a40c16c5c43d073b2bf3f942662a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2a317206921c8927d689ff0628aa12518ca8f13b49d5f998a7927cc90b34acc5
[INFO] running `Command { std: "docker" "start" "-a" "2a317206921c8927d689ff0628aa12518ca8f13b49d5f998a7927cc90b34acc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{stdin, Write, Read};
[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 0.50s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a317206921c8927d689ff0628aa12518ca8f13b49d5f998a7927cc90b34acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a317206921c8927d689ff0628aa12518ca8f13b49d5f998a7927cc90b34acc5", kill_on_drop: false }`
[INFO] [stdout] 2a317206921c8927d689ff0628aa12518ca8f13b49d5f998a7927cc90b34acc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 62698d825ac8771458f4611016ea640539f321be2a22dd5880d8dd7a4a8f341e
[INFO] running `Command { std: "docker" "start" "-a" "62698d825ac8771458f4611016ea640539f321be2a22dd5880d8dd7a4a8f341e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:22
[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] 2 | use std::io::{stdin, Write, Read};
[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/rustbf-ee36833086fa70df)
[INFO] running `Command { std: "docker" "inspect" "62698d825ac8771458f4611016ea640539f321be2a22dd5880d8dd7a4a8f341e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62698d825ac8771458f4611016ea640539f321be2a22dd5880d8dd7a4a8f341e", kill_on_drop: false }`
[INFO] [stdout] 62698d825ac8771458f4611016ea640539f321be2a22dd5880d8dd7a4a8f341e