[INFO] cloning repository https://github.com/yoshonabee/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/yoshonabee/rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshonabee%2Frust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshonabee%2Frust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32681678a423208f3f87e1dbbe834f1f81b4b57c
[INFO] testing yoshonabee/rust-exercise 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%2Fyoshonabee%2Frust-exercise" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshonabee/rust-exercise 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/yoshonabee/rust-exercise
[INFO] finished tweaking git repo https://github.com/yoshonabee/rust-exercise
[INFO] tweaked toml for git repo https://github.com/yoshonabee/rust-exercise written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshonabee/rust-exercise 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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 4ba284e92e0c9bbf151ec6b324e5895e4933c85e91d29812089e3a9f5c31ed5f
[INFO] running `Command { std: "docker" "start" "-a" "4ba284e92e0c9bbf151ec6b324e5895e4933c85e91d29812089e3a9f5c31ed5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ba284e92e0c9bbf151ec6b324e5895e4933c85e91d29812089e3a9f5c31ed5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba284e92e0c9bbf151ec6b324e5895e4933c85e91d29812089e3a9f5c31ed5f", kill_on_drop: false }`
[INFO] [stdout] 4ba284e92e0c9bbf151ec6b324e5895e4933c85e91d29812089e3a9f5c31ed5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 0c872f36e354ee4fa768bbda73562e3e72024bc756ebc79940ede1b190e7f6cc
[INFO] running `Command { std: "docker" "start" "-a" "0c872f36e354ee4fa768bbda73562e3e72024bc756ebc79940ede1b190e7f6cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "0c872f36e354ee4fa768bbda73562e3e72024bc756ebc79940ede1b190e7f6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c872f36e354ee4fa768bbda73562e3e72024bc756ebc79940ede1b190e7f6cc", kill_on_drop: false }`
[INFO] [stdout] 0c872f36e354ee4fa768bbda73562e3e72024bc756ebc79940ede1b190e7f6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 35488b7cea5a1dff92bd27e05a0fcf998508e2a1da1c626d31c20434a4de1516
[INFO] running `Command { std: "docker" "start" "-a" "35488b7cea5a1dff92bd27e05a0fcf998508e2a1da1c626d31c20434a4de1516", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "35488b7cea5a1dff92bd27e05a0fcf998508e2a1da1c626d31c20434a4de1516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35488b7cea5a1dff92bd27e05a0fcf998508e2a1da1c626d31c20434a4de1516", kill_on_drop: false }`
[INFO] [stdout] 35488b7cea5a1dff92bd27e05a0fcf998508e2a1da1c626d31c20434a4de1516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 5f40d2ae1ede439dc5f3a69b1b0803bd8f157ce16fd1a298f978591bcf0d37c2
[INFO] running `Command { std: "docker" "start" "-a" "5f40d2ae1ede439dc5f3a69b1b0803bd8f157ce16fd1a298f978591bcf0d37c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/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" "5f40d2ae1ede439dc5f3a69b1b0803bd8f157ce16fd1a298f978591bcf0d37c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f40d2ae1ede439dc5f3a69b1b0803bd8f157ce16fd1a298f978591bcf0d37c2", kill_on_drop: false }`
[INFO] [stdout] 5f40d2ae1ede439dc5f3a69b1b0803bd8f157ce16fd1a298f978591bcf0d37c2