[INFO] fetching crate finite_repr 0.1.4...
[INFO] testing finite_repr-0.1.4 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate finite_repr 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate finite_repr 0.1.4 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finite_repr 0.1.4
[INFO] finished tweaking crates.io crate finite_repr 0.1.4
[INFO] tweaked toml for crates.io crate finite_repr 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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 finite_repr_derive v0.1.4
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47c2c74d12e05162bbfb6a4df2fc2fe2c7434e95a4fe4d4e6c314207f6bf1a68
[INFO] running `Command { std: "docker" "start" "-a" "47c2c74d12e05162bbfb6a4df2fc2fe2c7434e95a4fe4d4e6c314207f6bf1a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c2c74d12e05162bbfb6a4df2fc2fe2c7434e95a4fe4d4e6c314207f6bf1a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c2c74d12e05162bbfb6a4df2fc2fe2c7434e95a4fe4d4e6c314207f6bf1a68", kill_on_drop: false }`
[INFO] [stdout] 47c2c74d12e05162bbfb6a4df2fc2fe2c7434e95a4fe4d4e6c314207f6bf1a68
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa9d5e1acb544b5d7cf75bb80851424adc51e6d5a6e2f35e3af2eb9ebeeab5a
[INFO] running `Command { std: "docker" "start" "-a" "7aa9d5e1acb544b5d7cf75bb80851424adc51e6d5a6e2f35e3af2eb9ebeeab5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling finite_repr v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "7aa9d5e1acb544b5d7cf75bb80851424adc51e6d5a6e2f35e3af2eb9ebeeab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa9d5e1acb544b5d7cf75bb80851424adc51e6d5a6e2f35e3af2eb9ebeeab5a", kill_on_drop: false }`
[INFO] [stdout] 7aa9d5e1acb544b5d7cf75bb80851424adc51e6d5a6e2f35e3af2eb9ebeeab5a
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e702717a1549ac8bd940fea8b797e61fb1b99948ebd246b9a27df9ac2843ad
[INFO] running `Command { std: "docker" "start" "-a" "e4e702717a1549ac8bd940fea8b797e61fb1b99948ebd246b9a27df9ac2843ad", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/33a28d75e720960bf656d6a0348a2c488e58d87370ad302ded0985a7fa108f45/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "e4e702717a1549ac8bd940fea8b797e61fb1b99948ebd246b9a27df9ac2843ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e702717a1549ac8bd940fea8b797e61fb1b99948ebd246b9a27df9ac2843ad", kill_on_drop: false }`
[INFO] [stdout] e4e702717a1549ac8bd940fea8b797e61fb1b99948ebd246b9a27df9ac2843ad