[INFO] cloning repository https://github.com/superoverflow/rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superoverflow/rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperoverflow%2Frust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperoverflow%2Frust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33719484713840467c16be383ed88b9a7bb6c899
[INFO] testing superoverflow/rust-exercise against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperoverflow%2Frust-exercise" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/superoverflow/rust-exercise on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/superoverflow/rust-exercise
[INFO] finished tweaking git repo https://github.com/superoverflow/rust-exercise
[INFO] tweaked toml for git repo https://github.com/superoverflow/rust-exercise written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/superoverflow/rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf219d83e2fc9382f31a58138fb7f68b2a86fef8d2d0219ef1bde474818da90b
[INFO] running `Command { std: "docker" "start" "-a" "cf219d83e2fc9382f31a58138fb7f68b2a86fef8d2d0219ef1bde474818da90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf219d83e2fc9382f31a58138fb7f68b2a86fef8d2d0219ef1bde474818da90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf219d83e2fc9382f31a58138fb7f68b2a86fef8d2d0219ef1bde474818da90b", kill_on_drop: false }`
[INFO] [stdout] cf219d83e2fc9382f31a58138fb7f68b2a86fef8d2d0219ef1bde474818da90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f9f34aa14daa7761f9e66e443f17f632759f369ae60986ca76d9c5a682ee71
[INFO] running `Command { std: "docker" "start" "-a" "62f9f34aa14daa7761f9e66e443f17f632759f369ae60986ca76d9c5a682ee71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "62f9f34aa14daa7761f9e66e443f17f632759f369ae60986ca76d9c5a682ee71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f9f34aa14daa7761f9e66e443f17f632759f369ae60986ca76d9c5a682ee71", kill_on_drop: false }`
[INFO] [stdout] 62f9f34aa14daa7761f9e66e443f17f632759f369ae60986ca76d9c5a682ee71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3d4c0678f2af03657c969b9a94489fc3006e87e718dd2ec164f13b6bd47eb4
[INFO] running `Command { std: "docker" "start" "-a" "4c3d4c0678f2af03657c969b9a94489fc3006e87e718dd2ec164f13b6bd47eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.77s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-99898c8b5036e366)
[INFO] running `Command { std: "docker" "inspect" "4c3d4c0678f2af03657c969b9a94489fc3006e87e718dd2ec164f13b6bd47eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3d4c0678f2af03657c969b9a94489fc3006e87e718dd2ec164f13b6bd47eb4", kill_on_drop: false }`
[INFO] [stdout] 4c3d4c0678f2af03657c969b9a94489fc3006e87e718dd2ec164f13b6bd47eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1939b8f369802ef2cb5d6be16b7d72f0437bbbca4e4fa6e0355f9bead2635778
[INFO] running `Command { std: "docker" "start" "-a" "1939b8f369802ef2cb5d6be16b7d72f0437bbbca4e4fa6e0355f9bead2635778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.99s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-99898c8b5036e366)
[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" "1939b8f369802ef2cb5d6be16b7d72f0437bbbca4e4fa6e0355f9bead2635778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1939b8f369802ef2cb5d6be16b7d72f0437bbbca4e4fa6e0355f9bead2635778", kill_on_drop: false }`
[INFO] [stdout] 1939b8f369802ef2cb5d6be16b7d72f0437bbbca4e4fa6e0355f9bead2635778