[INFO] fetching crate xcolabel 0.2.0...
[INFO] testing xcolabel-0.2.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate xcolabel 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xcolabel 0.2.0
[INFO] finished tweaking crates.io crate xcolabel 0.2.0
[INFO] tweaked toml for crates.io crate xcolabel 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xcolabel 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b6eea1d352bd19658a7bc571d4fd6a47061e72b9c900fd5b5c56dc3a821a1d5c
[INFO] running `Command { std: "docker" "start" "-a" "b6eea1d352bd19658a7bc571d4fd6a47061e72b9c900fd5b5c56dc3a821a1d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6eea1d352bd19658a7bc571d4fd6a47061e72b9c900fd5b5c56dc3a821a1d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6eea1d352bd19658a7bc571d4fd6a47061e72b9c900fd5b5c56dc3a821a1d5c", kill_on_drop: false }`
[INFO] [stdout] b6eea1d352bd19658a7bc571d4fd6a47061e72b9c900fd5b5c56dc3a821a1d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b5608ffa2c1ff64b2c2683c08fd92e1d5663aa963b25f86a46e078e72730b5cc
[INFO] running `Command { std: "docker" "start" "-a" "b5608ffa2c1ff64b2c2683c08fd92e1d5663aa963b25f86a46e078e72730b5cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetab7Ims6"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaitwAJp"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-complex` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b5608ffa2c1ff64b2c2683c08fd92e1d5663aa963b25f86a46e078e72730b5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5608ffa2c1ff64b2c2683c08fd92e1d5663aa963b25f86a46e078e72730b5cc", kill_on_drop: false }`
[INFO] [stdout] b5608ffa2c1ff64b2c2683c08fd92e1d5663aa963b25f86a46e078e72730b5cc