[INFO] fetching crate rs-cat 0.1.0...
[INFO] testing rs-cat-0.1.0 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate rs-cat 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rs-cat 0.1.0
[INFO] finished tweaking crates.io crate rs-cat 0.1.0
[INFO] tweaked toml for crates.io crate rs-cat 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-cat 0.1.0 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] crate crates.io crate rs-cat 0.1.0 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 082fcd054dc05d6dab612fd21fcf6ba5b9e57089de79d1d9a7487ce0430b507b
[INFO] running `Command { std: "docker" "start" "-a" "082fcd054dc05d6dab612fd21fcf6ba5b9e57089de79d1d9a7487ce0430b507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082fcd054dc05d6dab612fd21fcf6ba5b9e57089de79d1d9a7487ce0430b507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082fcd054dc05d6dab612fd21fcf6ba5b9e57089de79d1d9a7487ce0430b507b", kill_on_drop: false }`
[INFO] [stdout] 082fcd054dc05d6dab612fd21fcf6ba5b9e57089de79d1d9a7487ce0430b507b
[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] 9b360c5be5fa5d3e596238e8c940998280f2675a07441dd52ab28a3bb321f8cc
[INFO] running `Command { std: "docker" "start" "-a" "9b360c5be5fa5d3e596238e8c940998280f2675a07441dd52ab28a3bb321f8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "9b360c5be5fa5d3e596238e8c940998280f2675a07441dd52ab28a3bb321f8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b360c5be5fa5d3e596238e8c940998280f2675a07441dd52ab28a3bb321f8cc", kill_on_drop: false }`
[INFO] [stdout] 9b360c5be5fa5d3e596238e8c940998280f2675a07441dd52ab28a3bb321f8cc
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7b0a642a8ade25548c359cbe2d33e9d043f96ffd4bca366ca8824de5549f9f
[INFO] running `Command { std: "docker" "start" "-a" "0f7b0a642a8ade25548c359cbe2d33e9d043f96ffd4bca366ca8824de5549f9f", 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/afeea0c4c66313225b0be801e3b2a55de6cd5b48025ea4800ee9d8d0d6347473/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "0f7b0a642a8ade25548c359cbe2d33e9d043f96ffd4bca366ca8824de5549f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7b0a642a8ade25548c359cbe2d33e9d043f96ffd4bca366ca8824de5549f9f", kill_on_drop: false }`
[INFO] [stdout] 0f7b0a642a8ade25548c359cbe2d33e9d043f96ffd4bca366ca8824de5549f9f