[INFO] cloning repository https://github.com/ActionCactus/Rust-Exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ActionCactus/Rust-Exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActionCactus%2FRust-Exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActionCactus%2FRust-Exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 708a637c1caa633f41a9035cfe322e951c039767
[INFO] testing ActionCactus/Rust-Exercises against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActionCactus%2FRust-Exercises" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ActionCactus/Rust-Exercises 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/ActionCactus/Rust-Exercises
[INFO] finished tweaking git repo https://github.com/ActionCactus/Rust-Exercises
[INFO] tweaked toml for git repo https://github.com/ActionCactus/Rust-Exercises written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ActionCactus/Rust-Exercises 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3b9bf693e18b92f6af60556aa472458dec1f5c94995b4be4d4e39fc16dcb5b11
[INFO] running `Command { std: "docker" "start" "-a" "3b9bf693e18b92f6af60556aa472458dec1f5c94995b4be4d4e39fc16dcb5b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9bf693e18b92f6af60556aa472458dec1f5c94995b4be4d4e39fc16dcb5b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9bf693e18b92f6af60556aa472458dec1f5c94995b4be4d4e39fc16dcb5b11", kill_on_drop: false }`
[INFO] [stdout] 3b9bf693e18b92f6af60556aa472458dec1f5c94995b4be4d4e39fc16dcb5b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 649c1d0d34f77b3e0a0460d9572da3bb8a7dd62d429ac58db4d913f4bf3eb39f
[INFO] running `Command { std: "docker" "start" "-a" "649c1d0d34f77b3e0a0460d9572da3bb8a7dd62d429ac58db4d913f4bf3eb39f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "649c1d0d34f77b3e0a0460d9572da3bb8a7dd62d429ac58db4d913f4bf3eb39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649c1d0d34f77b3e0a0460d9572da3bb8a7dd62d429ac58db4d913f4bf3eb39f", kill_on_drop: false }`
[INFO] [stdout] 649c1d0d34f77b3e0a0460d9572da3bb8a7dd62d429ac58db4d913f4bf3eb39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9f6ca9a8077ea35919b76261444b2897bd4491c84361a0342b45ca09957c1ae6
[INFO] running `Command { std: "docker" "start" "-a" "9f6ca9a8077ea35919b76261444b2897bd4491c84361a0342b45ca09957c1ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9f6ca9a8077ea35919b76261444b2897bd4491c84361a0342b45ca09957c1ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6ca9a8077ea35919b76261444b2897bd4491c84361a0342b45ca09957c1ae6", kill_on_drop: false }`
[INFO] [stdout] 9f6ca9a8077ea35919b76261444b2897bd4491c84361a0342b45ca09957c1ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] db2ae54d8925490a3d0fcdd1894828b7f5e51f3f998440c68321c829dda9026c
[INFO] running `Command { std: "docker" "start" "-a" "db2ae54d8925490a3d0fcdd1894828b7f5e51f3f998440c68321c829dda9026c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_bin-757c9c59d1acdf1e)
[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] running `Command { std: "docker" "inspect" "db2ae54d8925490a3d0fcdd1894828b7f5e51f3f998440c68321c829dda9026c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2ae54d8925490a3d0fcdd1894828b7f5e51f3f998440c68321c829dda9026c", kill_on_drop: false }`
[INFO] [stdout] db2ae54d8925490a3d0fcdd1894828b7f5e51f3f998440c68321c829dda9026c