[INFO] cloning repository https://github.com/teunvw14/rust_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teunvw14/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteunvw14%2Frust_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteunvw14%2Frust_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5fab6a48f3d03a168e5110fc8c236007ccccba1
[INFO] checking teunvw14/rust_os against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteunvw14%2Frust_os" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teunvw14/rust_os on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-50/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/teunvw14/rust_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/teunvw14/rust_os
[INFO] tweaked toml for git repo https://github.com/teunvw14/rust_os written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/teunvw14/rust_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.15
[INFO] [stderr]   Downloaded x86_64 v0.14.3
[INFO] [stderr]   Downloaded bootloader v0.9.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 291d5d50c85599643c6dc70cb3f33413dd18a3e9696188577fbc4e9a9fa08d3a
[INFO] running `Command { std: "docker" "start" "-a" "291d5d50c85599643c6dc70cb3f33413dd18a3e9696188577fbc4e9a9fa08d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "291d5d50c85599643c6dc70cb3f33413dd18a3e9696188577fbc4e9a9fa08d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d5d50c85599643c6dc70cb3f33413dd18a3e9696188577fbc4e9a9fa08d3a", kill_on_drop: false }`
[INFO] [stdout] 291d5d50c85599643c6dc70cb3f33413dd18a3e9696188577fbc4e9a9fa08d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18cfc12121f9de1ef911e13b5cd648ae8d3a9dc9a9c8c824c7e60282783ade6
[INFO] running `Command { std: "docker" "start" "-a" "e18cfc12121f9de1ef911e13b5cd648ae8d3a9dc9a9c8c824c7e60282783ade6", 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" "e18cfc12121f9de1ef911e13b5cd648ae8d3a9dc9a9c8c824c7e60282783ade6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18cfc12121f9de1ef911e13b5cd648ae8d3a9dc9a9c8c824c7e60282783ade6", kill_on_drop: false }`
[INFO] [stdout] e18cfc12121f9de1ef911e13b5cd648ae8d3a9dc9a9c8c824c7e60282783ade6