[INFO] fetching crate wit-pack 0.1.0...
[INFO] testing wit-pack-0.1.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate wit-pack 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wit-pack 0.1.0
[INFO] finished tweaking crates.io crate wit-pack 0.1.0
[INFO] tweaked toml for crates.io crate wit-pack 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wit-pack 0.1.0 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wit-pack 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae997a20ea390b5991ebbf8e9470de98a709b70d8d344c99fef02e2ac5335806
[INFO] running `Command { std: "docker" "start" "-a" "ae997a20ea390b5991ebbf8e9470de98a709b70d8d344c99fef02e2ac5335806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae997a20ea390b5991ebbf8e9470de98a709b70d8d344c99fef02e2ac5335806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae997a20ea390b5991ebbf8e9470de98a709b70d8d344c99fef02e2ac5335806", kill_on_drop: false }`
[INFO] [stdout] ae997a20ea390b5991ebbf8e9470de98a709b70d8d344c99fef02e2ac5335806
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4797279e8aeeb4a6f1cef04471ee0bcf175f7bf9e162892edadfc8cadec3edf9
[INFO] running `Command { std: "docker" "start" "-a" "4797279e8aeeb4a6f1cef04471ee0bcf175f7bf9e162892edadfc8cadec3edf9", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/wit-pack-eaf840f93f5d45f6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "4797279e8aeeb4a6f1cef04471ee0bcf175f7bf9e162892edadfc8cadec3edf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4797279e8aeeb4a6f1cef04471ee0bcf175f7bf9e162892edadfc8cadec3edf9", kill_on_drop: false }`
[INFO] [stdout] 4797279e8aeeb4a6f1cef04471ee0bcf175f7bf9e162892edadfc8cadec3edf9