[INFO] cloning repository https://github.com/SawyerHood/letter-boxed-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SawyerHood/letter-boxed-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyerHood%2Fletter-boxed-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyerHood%2Fletter-boxed-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 419b66571e7f801af72084f1d6d37ecbd31e56b3
[INFO] testing SawyerHood/letter-boxed-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyerHood%2Fletter-boxed-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SawyerHood/letter-boxed-rust 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/SawyerHood/letter-boxed-rust
[INFO] finished tweaking git repo https://github.com/SawyerHood/letter-boxed-rust
[INFO] tweaked toml for git repo https://github.com/SawyerHood/letter-boxed-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/SawyerHood/letter-boxed-rust 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f2233d49bfbd8802c50199ef15d87f789465f5efc1b790727edbd4f1121b4d9f
[INFO] running `Command { std: "docker" "start" "-a" "f2233d49bfbd8802c50199ef15d87f789465f5efc1b790727edbd4f1121b4d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2233d49bfbd8802c50199ef15d87f789465f5efc1b790727edbd4f1121b4d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2233d49bfbd8802c50199ef15d87f789465f5efc1b790727edbd4f1121b4d9f", kill_on_drop: false }`
[INFO] [stdout] f2233d49bfbd8802c50199ef15d87f789465f5efc1b790727edbd4f1121b4d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c781af475db3697032201f1967c9b84236c6c345fda6550b8c478da6d85d68fd
[INFO] running `Command { std: "docker" "start" "-a" "c781af475db3697032201f1967c9b84236c6c345fda6550b8c478da6d85d68fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling letter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "c781af475db3697032201f1967c9b84236c6c345fda6550b8c478da6d85d68fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c781af475db3697032201f1967c9b84236c6c345fda6550b8c478da6d85d68fd", kill_on_drop: false }`
[INFO] [stdout] c781af475db3697032201f1967c9b84236c6c345fda6550b8c478da6d85d68fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] eeb8d25966e5cb8bcfe016a21cb51e67b44eec78e6901c9c76bc40eac194ff64
[INFO] running `Command { std: "docker" "start" "-a" "eeb8d25966e5cb8bcfe016a21cb51e67b44eec78e6901c9c76bc40eac194ff64", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "eeb8d25966e5cb8bcfe016a21cb51e67b44eec78e6901c9c76bc40eac194ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb8d25966e5cb8bcfe016a21cb51e67b44eec78e6901c9c76bc40eac194ff64", kill_on_drop: false }`
[INFO] [stdout] eeb8d25966e5cb8bcfe016a21cb51e67b44eec78e6901c9c76bc40eac194ff64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 9e84913e8108a3de4efa23af483c8f48a1c2c2f5ccdec2ad7fa3dc3af4ed4893
[INFO] running `Command { std: "docker" "start" "-a" "9e84913e8108a3de4efa23af483c8f48a1c2c2f5ccdec2ad7fa3dc3af4ed4893", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/letter-0e571f15a5c62fe7)
[INFO] running `Command { std: "docker" "inspect" "9e84913e8108a3de4efa23af483c8f48a1c2c2f5ccdec2ad7fa3dc3af4ed4893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e84913e8108a3de4efa23af483c8f48a1c2c2f5ccdec2ad7fa3dc3af4ed4893", kill_on_drop: false }`
[INFO] [stdout] 9e84913e8108a3de4efa23af483c8f48a1c2c2f5ccdec2ad7fa3dc3af4ed4893