[INFO] cloning repository https://github.com/sinclabs/rustlings-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinclabs/rustlings-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c2cf6da755efe02725e05ecc3a303304c10a6da
[INFO] checking sinclabs/rustlings-practice against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinclabs/rustlings-practice on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinclabs/rustlings-practice
[INFO] finished tweaking git repo https://github.com/sinclabs/rustlings-practice
[INFO] tweaked toml for git repo https://github.com/sinclabs/rustlings-practice written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/sinclabs/rustlings-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded notify v4.0.12
[INFO] [stderr]   Downloaded console v0.7.5
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee4f2411fd58d3fcb1e490206aaea2a5dbdc98e4a922b181b404f880a822e033
[INFO] running `Command { std: "docker" "start" "-a" "ee4f2411fd58d3fcb1e490206aaea2a5dbdc98e4a922b181b404f880a822e033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4f2411fd58d3fcb1e490206aaea2a5dbdc98e4a922b181b404f880a822e033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4f2411fd58d3fcb1e490206aaea2a5dbdc98e4a922b181b404f880a822e033", kill_on_drop: false }`
[INFO] [stdout] ee4f2411fd58d3fcb1e490206aaea2a5dbdc98e4a922b181b404f880a822e033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7ee80f9cc2cac0652967df97f8e556bf1b040fc388a2f52cb1f897148110f0
[INFO] running `Command { std: "docker" "start" "-a" "fb7ee80f9cc2cac0652967df97f8e556bf1b040fc388a2f52cb1f897148110f0", 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" "fb7ee80f9cc2cac0652967df97f8e556bf1b040fc388a2f52cb1f897148110f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7ee80f9cc2cac0652967df97f8e556bf1b040fc388a2f52cb1f897148110f0", kill_on_drop: false }`
[INFO] [stdout] fb7ee80f9cc2cac0652967df97f8e556bf1b040fc388a2f52cb1f897148110f0