[INFO] fetching crate mf 2.1.1...
[INFO] testing mf-2.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate mf 2.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mf 2.1.1
[INFO] finished tweaking crates.io crate mf 2.1.1
[INFO] tweaked toml for crates.io crate mf 2.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mf 2.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mf 2.1.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: database or disk is full
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01219477c6ad4b4fffb01b598c8de6ec4abcd53bd19f152c3faf6714f35f3546
[INFO] running `Command { std: "docker" "start" "-a" "01219477c6ad4b4fffb01b598c8de6ec4abcd53bd19f152c3faf6714f35f3546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01219477c6ad4b4fffb01b598c8de6ec4abcd53bd19f152c3faf6714f35f3546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01219477c6ad4b4fffb01b598c8de6ec4abcd53bd19f152c3faf6714f35f3546", kill_on_drop: false }`
[INFO] [stdout] 01219477c6ad4b4fffb01b598c8de6ec4abcd53bd19f152c3faf6714f35f3546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c33dddeb457a25b3a0c102e6970f73e5e9d4ab5819366b3bf41bf5b45cc275c
[INFO] running `Command { std: "docker" "start" "-a" "4c33dddeb457a25b3a0c102e6970f73e5e9d4ab5819366b3bf41bf5b45cc275c", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/mf-d14a6b7df53ff725`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "4c33dddeb457a25b3a0c102e6970f73e5e9d4ab5819366b3bf41bf5b45cc275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c33dddeb457a25b3a0c102e6970f73e5e9d4ab5819366b3bf41bf5b45cc275c", kill_on_drop: false }`
[INFO] [stdout] 4c33dddeb457a25b3a0c102e6970f73e5e9d4ab5819366b3bf41bf5b45cc275c