[INFO] updating cached repository https://github.com/Yooosless/Rust-Websocket-basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 858b3db6174f0470a88b84393c4e374b4bf225f4
[INFO] testing Yooosless/Rust-Websocket-basic/858b3db6174f0470a88b84393c4e374b4bf225f4 against master#8dd5cd0bc1d683c30805e1dc831cac546b621a75 for pr-131095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYooosless%2FRust-Websocket-basic" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yooosless/Rust-Websocket-basic on toolchain 8dd5cd0bc1d683c30805e1dc831cac546b621a75
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yooosless/Rust-Websocket-basic
[INFO] finished tweaking git repo https://github.com/Yooosless/Rust-Websocket-basic
[INFO] tweaked toml for git repo https://github.com/Yooosless/Rust-Websocket-basic written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Yooosless/Rust-Websocket-basic 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" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d135df7937d2db3b129e1246f540824c25482dc193f1d4a8bc91bb5b2ee9b430
[INFO] running `Command { std: "docker" "start" "-a" "d135df7937d2db3b129e1246f540824c25482dc193f1d4a8bc91bb5b2ee9b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d135df7937d2db3b129e1246f540824c25482dc193f1d4a8bc91bb5b2ee9b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d135df7937d2db3b129e1246f540824c25482dc193f1d4a8bc91bb5b2ee9b430", kill_on_drop: false }`
[INFO] [stdout] d135df7937d2db3b129e1246f540824c25482dc193f1d4a8bc91bb5b2ee9b430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea6ac9183ab81a3e485e7ba8c1b93db1feddd8731e21b4a5a67f7ea74bb71563
[INFO] running `Command { std: "docker" "start" "-a" "ea6ac9183ab81a3e485e7ba8c1b93db1feddd8731e21b4a5a67f7ea74bb71563", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "ea6ac9183ab81a3e485e7ba8c1b93db1feddd8731e21b4a5a67f7ea74bb71563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6ac9183ab81a3e485e7ba8c1b93db1feddd8731e21b4a5a67f7ea74bb71563", kill_on_drop: false }`
[INFO] [stdout] ea6ac9183ab81a3e485e7ba8c1b93db1feddd8731e21b4a5a67f7ea74bb71563