[INFO] cloning repository https://github.com/junps/x86emulator_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junps/x86emulator_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eed32aa08d42a1c33954a2091ce150791857a44
[INFO] checking junps/x86emulator_in_rust against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/junps/x86emulator_in_rust on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/junps/x86emulator_in_rust
[INFO] finished tweaking git repo https://github.com/junps/x86emulator_in_rust
[INFO] tweaked toml for git repo https://github.com/junps/x86emulator_in_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/junps/x86emulator_in_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" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f14e1a163496af32050fa61534705bae45016a896952bdbb24c13295444e5d
[INFO] running `Command { std: "docker" "start" "-a" "05f14e1a163496af32050fa61534705bae45016a896952bdbb24c13295444e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f14e1a163496af32050fa61534705bae45016a896952bdbb24c13295444e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f14e1a163496af32050fa61534705bae45016a896952bdbb24c13295444e5d", kill_on_drop: false }`
[INFO] [stdout] 05f14e1a163496af32050fa61534705bae45016a896952bdbb24c13295444e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 548fb26ecd6f4319398593dd76d5ffb52a747ca55bd0cb10b8a6124d6fed9d01
[INFO] running `Command { std: "docker" "start" "-a" "548fb26ecd6f4319398593dd76d5ffb52a747ca55bd0cb10b8a6124d6fed9d01", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/d42e038f03847182662791ac055de50ce1f4c520318394cadb088a826e2d7b35/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "548fb26ecd6f4319398593dd76d5ffb52a747ca55bd0cb10b8a6124d6fed9d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548fb26ecd6f4319398593dd76d5ffb52a747ca55bd0cb10b8a6124d6fed9d01", kill_on_drop: false }`
[INFO] [stdout] 548fb26ecd6f4319398593dd76d5ffb52a747ca55bd0cb10b8a6124d6fed9d01