[INFO] fetching crate websocat 1.14.0...
[INFO] checking websocat-1.14.0 against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] extracting crate websocat 1.14.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate websocat 1.14.0 on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate websocat 1.14.0
[INFO] finished tweaking crates.io crate websocat 1.14.0
[INFO] tweaked toml for crates.io crate websocat 1.14.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate websocat 1.14.0 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/ht/tp/http-bytes, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded websocket-base v0.26.5
[INFO] [stderr]   Downloaded websocket v0.27.1
[INFO] [stderr]   Downloaded tk-listen v0.2.1
[INFO] [stderr]   Downloaded prometheus-metric-storage v0.5.0
[INFO] [stderr]   Downloaded http-bytes v0.1.0
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] [stderr]   Downloaded tokio-file-unix v0.5.1
[INFO] [stderr]   Downloaded prometheus-metric-storage-derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac5733a822f15e3d2cd2fc794714b918c3ab5740564b837f1200a25e9c75365
[INFO] running `Command { std: "docker" "start" "-a" "0ac5733a822f15e3d2cd2fc794714b918c3ab5740564b837f1200a25e9c75365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac5733a822f15e3d2cd2fc794714b918c3ab5740564b837f1200a25e9c75365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac5733a822f15e3d2cd2fc794714b918c3ab5740564b837f1200a25e9c75365", kill_on_drop: false }`
[INFO] [stdout] 0ac5733a822f15e3d2cd2fc794714b918c3ab5740564b837f1200a25e9c75365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724aa1a190f53506f1cdbc6e2f65bd037eedbcdd131fed84eccd5336687eff63
[INFO] running `Command { std: "docker" "start" "-a" "724aa1a190f53506f1cdbc6e2f65bd037eedbcdd131fed84eccd5336687eff63", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/4f41c974356b82110f6d8e51f90c25fd5839c43852122b326bb88036873af6e2/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "724aa1a190f53506f1cdbc6e2f65bd037eedbcdd131fed84eccd5336687eff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724aa1a190f53506f1cdbc6e2f65bd037eedbcdd131fed84eccd5336687eff63", kill_on_drop: false }`
[INFO] [stdout] 724aa1a190f53506f1cdbc6e2f65bd037eedbcdd131fed84eccd5336687eff63