[INFO] fetching crate rustenv 1.0.0...
[INFO] testing rustenv-1.0.0 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate rustenv 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rustenv 1.0.0
[INFO] finished tweaking crates.io crate rustenv 1.0.0
[INFO] tweaked toml for crates.io crate rustenv 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustenv 1.0.0 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1391a51fe9387fd1608382f5b2c6e131a2c4335a16e94f526018f886e9bf29b3
[INFO] running `Command { std: "docker" "start" "-a" "1391a51fe9387fd1608382f5b2c6e131a2c4335a16e94f526018f886e9bf29b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1391a51fe9387fd1608382f5b2c6e131a2c4335a16e94f526018f886e9bf29b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1391a51fe9387fd1608382f5b2c6e131a2c4335a16e94f526018f886e9bf29b3", kill_on_drop: false }`
[INFO] [stdout] 1391a51fe9387fd1608382f5b2c6e131a2c4335a16e94f526018f886e9bf29b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bfbd109f3ce6fed72965548593924e68ba95fca588748a64b6fcbb6c71ef2b2
[INFO] running `Command { std: "docker" "start" "-a" "3bfbd109f3ce6fed72965548593924e68ba95fca588748a64b6fcbb6c71ef2b2", 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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": create mountpoint for /opt/rustwide/cargo-home mount: mkdirat /var/lib/docker/overlay2/54d3a382872143eb46e44dc4dff13ffd7862b844da8c4a09c1184cb04c28cdef/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "3bfbd109f3ce6fed72965548593924e68ba95fca588748a64b6fcbb6c71ef2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfbd109f3ce6fed72965548593924e68ba95fca588748a64b6fcbb6c71ef2b2", kill_on_drop: false }`
[INFO] [stdout] 3bfbd109f3ce6fed72965548593924e68ba95fca588748a64b6fcbb6c71ef2b2