[INFO] fetching crate rustos 0.4.3...
[INFO] testing rustos-0.4.3 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate rustos 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rustos 0.4.3 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate rustos 0.4.3
[INFO] finished tweaking crates.io crate rustos 0.4.3
[INFO] tweaked toml for crates.io crate rustos 0.4.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustos 0.4.3 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.4
[INFO] [stderr]   Downloaded cpuio v0.2.0
[INFO] [stderr]   Downloaded x86_64 v0.9.6
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.2
[INFO] [stderr]   Downloaded bootloader v0.9.0
[INFO] [stderr]   Downloaded conquer-once v0.2.0
[INFO] [stderr]   Downloaded spinning_top v0.1.0
[INFO] [stderr]   Downloaded pic8259_simple v0.1.1
[INFO] [stderr]   Downloaded pc-keyboard v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b05460e7a3a913fa35956d0cb5a33f7a014741db19066641aac9658d819d66
[INFO] running `Command { std: "docker" "start" "-a" "20b05460e7a3a913fa35956d0cb5a33f7a014741db19066641aac9658d819d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b05460e7a3a913fa35956d0cb5a33f7a014741db19066641aac9658d819d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b05460e7a3a913fa35956d0cb5a33f7a014741db19066641aac9658d819d66", kill_on_drop: false }`
[INFO] [stdout] 20b05460e7a3a913fa35956d0cb5a33f7a014741db19066641aac9658d819d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561
[INFO] running `Command { std: "docker" "start" "-a" "cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561", kill_on_drop: false }`
[INFO] [stdout] cea2beb70a10fa3010e447f4c9004aee36fa7cbe0db7a5d3625b9c5c7f589561