[INFO] cloning repository https://github.com/Jam-Manbo/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jam-Manbo/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJam-Manbo%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJam-Manbo%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e428ac207e39b06d61bd0f3263b3312479bf1a9e
[INFO] building Jam-Manbo/learning-rust against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJam-Manbo%2Flearning-rust" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jam-Manbo/learning-rust on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jam-Manbo/learning-rust
[INFO] finished tweaking git repo https://github.com/Jam-Manbo/learning-rust
[INFO] tweaked toml for git repo https://github.com/Jam-Manbo/learning-rust written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Jam-Manbo/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-rustls v0.23.0
[INFO] [stderr]   Downloaded async-trait v0.1.53
[INFO] [stderr]   Downloaded tokio-rustls v0.23.3
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded rustls v0.20.4
[INFO] [stderr]   Downloaded serenity v0.10.10
[INFO] [stderr]   Downloaded rustls-pemfile v0.3.0
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] [stderr]   Downloaded async-tungstenite v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32ede769099561fa013b75f16e17e011d093f54ea5ff4292a33c7827ccc5b6af
[INFO] running `Command { std: "docker" "start" "-a" "32ede769099561fa013b75f16e17e011d093f54ea5ff4292a33c7827ccc5b6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ede769099561fa013b75f16e17e011d093f54ea5ff4292a33c7827ccc5b6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ede769099561fa013b75f16e17e011d093f54ea5ff4292a33c7827ccc5b6af", kill_on_drop: false }`
[INFO] [stdout] 32ede769099561fa013b75f16e17e011d093f54ea5ff4292a33c7827ccc5b6af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=forbid" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40023277a84e5dd4cdbb29a731878f72bb3277d373f56363499b05be2c4debe2
[INFO] running `Command { std: "docker" "start" "-a" "40023277a84e5dd4cdbb29a731878f72bb3277d373f56363499b05be2c4debe2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "40023277a84e5dd4cdbb29a731878f72bb3277d373f56363499b05be2c4debe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40023277a84e5dd4cdbb29a731878f72bb3277d373f56363499b05be2c4debe2", kill_on_drop: false }`
[INFO] [stdout] 40023277a84e5dd4cdbb29a731878f72bb3277d373f56363499b05be2c4debe2