[INFO] cloning repository https://github.com/baez/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baez/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f8d0f57504b940ad7b4f0b31251beefa513213e
[INFO] checking baez/learn_rust/2f8d0f57504b940ad7b4f0b31251beefa513213e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baez/learn_rust on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baez/learn_rust
[INFO] finished tweaking git repo https://github.com/baez/learn_rust
[INFO] tweaked toml for git repo https://github.com/baez/learn_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/baez/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72d8d31a33a7c9db3d1c6220d84851e7b0004ab44609aa9bbb83ba04dc030d1c
[INFO] running `Command { std: "docker" "start" "-a" "72d8d31a33a7c9db3d1c6220d84851e7b0004ab44609aa9bbb83ba04dc030d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d8d31a33a7c9db3d1c6220d84851e7b0004ab44609aa9bbb83ba04dc030d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d8d31a33a7c9db3d1c6220d84851e7b0004ab44609aa9bbb83ba04dc030d1c", kill_on_drop: false }`
[INFO] [stdout] 72d8d31a33a7c9db3d1c6220d84851e7b0004ab44609aa9bbb83ba04dc030d1c
[INFO] checking baez/learn_rust/2f8d0f57504b940ad7b4f0b31251beefa513213e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baez/learn_rust on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baez/learn_rust
[INFO] finished tweaking git repo https://github.com/baez/learn_rust
[INFO] tweaked toml for git repo https://github.com/baez/learn_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/baez/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488e49432baf779048453a7af8e5e08d695dec8d769a32a510fd8e662bfe6e6f
[INFO] running `Command { std: "docker" "start" "-a" "488e49432baf779048453a7af8e5e08d695dec8d769a32a510fd8e662bfe6e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488e49432baf779048453a7af8e5e08d695dec8d769a32a510fd8e662bfe6e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488e49432baf779048453a7af8e5e08d695dec8d769a32a510fd8e662bfe6e6f", kill_on_drop: false }`
[INFO] [stdout] 488e49432baf779048453a7af8e5e08d695dec8d769a32a510fd8e662bfe6e6f
[INFO] checking baez/learn_rust/2f8d0f57504b940ad7b4f0b31251beefa513213e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baez/learn_rust on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baez/learn_rust
[INFO] finished tweaking git repo https://github.com/baez/learn_rust
[INFO] tweaked toml for git repo https://github.com/baez/learn_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/baez/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dec5fd859dfa4c86fbc5737c0e190945e14e6cbf12b25f477b4a409ec316a556
[INFO] running `Command { std: "docker" "start" "-a" "dec5fd859dfa4c86fbc5737c0e190945e14e6cbf12b25f477b4a409ec316a556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dec5fd859dfa4c86fbc5737c0e190945e14e6cbf12b25f477b4a409ec316a556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec5fd859dfa4c86fbc5737c0e190945e14e6cbf12b25f477b4a409ec316a556", kill_on_drop: false }`
[INFO] [stdout] dec5fd859dfa4c86fbc5737c0e190945e14e6cbf12b25f477b4a409ec316a556
[INFO] checking baez/learn_rust/2f8d0f57504b940ad7b4f0b31251beefa513213e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baez/learn_rust on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baez/learn_rust
[INFO] finished tweaking git repo https://github.com/baez/learn_rust
[INFO] tweaked toml for git repo https://github.com/baez/learn_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/baez/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1236d47dd0afd3f8ccc9c6ae6674c6478a6a2157bd381c0c3ac1b552cfc5672
[INFO] running `Command { std: "docker" "start" "-a" "a1236d47dd0afd3f8ccc9c6ae6674c6478a6a2157bd381c0c3ac1b552cfc5672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1236d47dd0afd3f8ccc9c6ae6674c6478a6a2157bd381c0c3ac1b552cfc5672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1236d47dd0afd3f8ccc9c6ae6674c6478a6a2157bd381c0c3ac1b552cfc5672", kill_on_drop: false }`
[INFO] [stdout] a1236d47dd0afd3f8ccc9c6ae6674c6478a6a2157bd381c0c3ac1b552cfc5672
[INFO] checking baez/learn_rust/2f8d0f57504b940ad7b4f0b31251beefa513213e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaez%2Flearn_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baez/learn_rust on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baez/learn_rust
[INFO] finished tweaking git repo https://github.com/baez/learn_rust
[INFO] tweaked toml for git repo https://github.com/baez/learn_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/baez/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5433ea019b75ef03e9f54ab5c57b84497fc0e10b0c6bb627ad3490f3eb2e2c40
[INFO] running `Command { std: "docker" "start" "-a" "5433ea019b75ef03e9f54ab5c57b84497fc0e10b0c6bb627ad3490f3eb2e2c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5433ea019b75ef03e9f54ab5c57b84497fc0e10b0c6bb627ad3490f3eb2e2c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5433ea019b75ef03e9f54ab5c57b84497fc0e10b0c6bb627ad3490f3eb2e2c40", kill_on_drop: false }`
[INFO] [stdout] 5433ea019b75ef03e9f54ab5c57b84497fc0e10b0c6bb627ad3490f3eb2e2c40


ExecutionFailed(ExitStatus(unix_wait_status(256)))