[INFO] cloning repository https://github.com/corodiak/Rust_Excercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corodiak/Rust_Excercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 058f4d2499ffbd7d39660fd272bd7f33f07012e1
[INFO] testing corodiak/Rust_Excercises against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corodiak/Rust_Excercises on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corodiak/Rust_Excercises
[INFO] finished tweaking git repo https://github.com/corodiak/Rust_Excercises
[INFO] tweaked toml for git repo https://github.com/corodiak/Rust_Excercises written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/corodiak/Rust_Excercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07719e2261dd0c185ab44374d8e0e4ec2aad60bea9aebc27a59921fe7669d30
[INFO] running `Command { std: "docker" "start" "-a" "f07719e2261dd0c185ab44374d8e0e4ec2aad60bea9aebc27a59921fe7669d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07719e2261dd0c185ab44374d8e0e4ec2aad60bea9aebc27a59921fe7669d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07719e2261dd0c185ab44374d8e0e4ec2aad60bea9aebc27a59921fe7669d30", kill_on_drop: false }`
[INFO] [stdout] f07719e2261dd0c185ab44374d8e0e4ec2aad60bea9aebc27a59921fe7669d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913929b91c43802ba87923ec2a6d3f4a4e64460f77a3fc02d9eca4ab65f17b55
[INFO] running `Command { std: "docker" "start" "-a" "913929b91c43802ba87923ec2a6d3f4a4e64460f77a3fc02d9eca4ab65f17b55", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "913929b91c43802ba87923ec2a6d3f4a4e64460f77a3fc02d9eca4ab65f17b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913929b91c43802ba87923ec2a6d3f4a4e64460f77a3fc02d9eca4ab65f17b55", kill_on_drop: false }`
[INFO] [stdout] 913929b91c43802ba87923ec2a6d3f4a4e64460f77a3fc02d9eca4ab65f17b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89fb47f57d25f7dcb164916057d2dd78c4a1244dfc5ed12eacc264eb661d0f8
[INFO] running `Command { std: "docker" "start" "-a" "f89fb47f57d25f7dcb164916057d2dd78c4a1244dfc5ed12eacc264eb661d0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "f89fb47f57d25f7dcb164916057d2dd78c4a1244dfc5ed12eacc264eb661d0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89fb47f57d25f7dcb164916057d2dd78c4a1244dfc5ed12eacc264eb661d0f8", kill_on_drop: false }`
[INFO] [stdout] f89fb47f57d25f7dcb164916057d2dd78c4a1244dfc5ed12eacc264eb661d0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0762ef953b92cd2a2b20d18af8a49888390f928faaf342f8be037b51ed0ffce2
[INFO] running `Command { std: "docker" "start" "-a" "0762ef953b92cd2a2b20d18af8a49888390f928faaf342f8be037b51ed0ffce2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/excercises-f631886c48f771ed)
[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" "0762ef953b92cd2a2b20d18af8a49888390f928faaf342f8be037b51ed0ffce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0762ef953b92cd2a2b20d18af8a49888390f928faaf342f8be037b51ed0ffce2", kill_on_drop: false }`
[INFO] [stdout] 0762ef953b92cd2a2b20d18af8a49888390f928faaf342f8be037b51ed0ffce2