[INFO] cloning repository https://github.com/cedricbonhomme/ackermann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cedricbonhomme/ackermann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedricbonhomme%2Fackermann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedricbonhomme%2Fackermann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2538b301752f435ef34d9321bfde8b5e4dc139b
[INFO] testing cedricbonhomme/ackermann against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedricbonhomme%2Fackermann" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cedricbonhomme/ackermann on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cedricbonhomme/ackermann
[INFO] finished tweaking git repo https://github.com/cedricbonhomme/ackermann
[INFO] tweaked toml for git repo https://github.com/cedricbonhomme/ackermann written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/cedricbonhomme/ackermann already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555bb7e1ce5e8a66d8a4f9c0ade915098ffa79a225102e1f2a895962842546d5
[INFO] running `Command { std: "docker" "start" "-a" "555bb7e1ce5e8a66d8a4f9c0ade915098ffa79a225102e1f2a895962842546d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555bb7e1ce5e8a66d8a4f9c0ade915098ffa79a225102e1f2a895962842546d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555bb7e1ce5e8a66d8a4f9c0ade915098ffa79a225102e1f2a895962842546d5", kill_on_drop: false }`
[INFO] [stdout] 555bb7e1ce5e8a66d8a4f9c0ade915098ffa79a225102e1f2a895962842546d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab75446af9b1cc1473b0efe67ba166cbc73002031317c5576b4173bfecf9eaf
[INFO] running `Command { std: "docker" "start" "-a" "1ab75446af9b1cc1473b0efe67ba166cbc73002031317c5576b4173bfecf9eaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "1ab75446af9b1cc1473b0efe67ba166cbc73002031317c5576b4173bfecf9eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab75446af9b1cc1473b0efe67ba166cbc73002031317c5576b4173bfecf9eaf", kill_on_drop: false }`
[INFO] [stdout] 1ab75446af9b1cc1473b0efe67ba166cbc73002031317c5576b4173bfecf9eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4ff4094518cc2b838ebaa5331b227474a7e0e9fa0964f0b67441cac4c86e17
[INFO] running `Command { std: "docker" "start" "-a" "4e4ff4094518cc2b838ebaa5331b227474a7e0e9fa0964f0b67441cac4c86e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "4e4ff4094518cc2b838ebaa5331b227474a7e0e9fa0964f0b67441cac4c86e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4ff4094518cc2b838ebaa5331b227474a7e0e9fa0964f0b67441cac4c86e17", kill_on_drop: false }`
[INFO] [stdout] 4e4ff4094518cc2b838ebaa5331b227474a7e0e9fa0964f0b67441cac4c86e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a217e850bb9fdb1cbc41e80ddd17a33f4d9b08d264933ce0a9e128ef0e2856a2
[INFO] running `Command { std: "docker" "start" "-a" "a217e850bb9fdb1cbc41e80ddd17a33f4d9b08d264933ce0a9e128ef0e2856a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ackermann-1680d9ef4021a9af)
[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" "a217e850bb9fdb1cbc41e80ddd17a33f4d9b08d264933ce0a9e128ef0e2856a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a217e850bb9fdb1cbc41e80ddd17a33f4d9b08d264933ce0a9e128ef0e2856a2", kill_on_drop: false }`
[INFO] [stdout] a217e850bb9fdb1cbc41e80ddd17a33f4d9b08d264933ce0a9e128ef0e2856a2