[INFO] fetching crate caplog 0.3.0...
[INFO] testing caplog-0.3.0 against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] extracting crate caplog 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate caplog 0.3.0 on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caplog 0.3.0
[INFO] finished tweaking crates.io crate caplog 0.3.0
[INFO] tweaked toml for crates.io crate caplog 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate caplog 0.3.0 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxcar v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a84b98b23f0d92ec626f329a564b0fc56583b813cdfa6c63c81ff52b5f207918
[INFO] running `Command { std: "docker" "start" "-a" "a84b98b23f0d92ec626f329a564b0fc56583b813cdfa6c63c81ff52b5f207918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84b98b23f0d92ec626f329a564b0fc56583b813cdfa6c63c81ff52b5f207918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84b98b23f0d92ec626f329a564b0fc56583b813cdfa6c63c81ff52b5f207918", kill_on_drop: false }`
[INFO] [stdout] a84b98b23f0d92ec626f329a564b0fc56583b813cdfa6c63c81ff52b5f207918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f8188091186349da86b6da1ff6bc5c2d0a4ad3d98da781bdc68ee2b337e951c
[INFO] running `Command { std: "docker" "start" "-a" "0f8188091186349da86b6da1ff6bc5c2d0a4ad3d98da781bdc68ee2b337e951c", kill_on_drop: false }`
[INFO] [stderr]    Compiling boxcar v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling caplog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0f8188091186349da86b6da1ff6bc5c2d0a4ad3d98da781bdc68ee2b337e951c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8188091186349da86b6da1ff6bc5c2d0a4ad3d98da781bdc68ee2b337e951c", kill_on_drop: false }`
[INFO] [stdout] 0f8188091186349da86b6da1ff6bc5c2d0a4ad3d98da781bdc68ee2b337e951c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2638176ff3caf1e0a9d2b932028a1885c98044df0ea8854d7632081be13c9a22
[INFO] running `Command { std: "docker" "start" "-a" "2638176ff3caf1e0a9d2b932028a1885c98044df0ea8854d7632081be13c9a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling caplog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2638176ff3caf1e0a9d2b932028a1885c98044df0ea8854d7632081be13c9a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2638176ff3caf1e0a9d2b932028a1885c98044df0ea8854d7632081be13c9a22", kill_on_drop: false }`
[INFO] [stdout] 2638176ff3caf1e0a9d2b932028a1885c98044df0ea8854d7632081be13c9a22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 441f182f9a7ea460b2d42deef6a2b1544786fd8fd4574ec947a32b8c5e570fc0
[INFO] running `Command { std: "docker" "start" "-a" "441f182f9a7ea460b2d42deef6a2b1544786fd8fd4574ec947a32b8c5e570fc0", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/c8296c26c9906b9c6b0469374014c88607676b17ec4bf7da202f0203a481e69c/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "441f182f9a7ea460b2d42deef6a2b1544786fd8fd4574ec947a32b8c5e570fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441f182f9a7ea460b2d42deef6a2b1544786fd8fd4574ec947a32b8c5e570fc0", kill_on_drop: false }`
[INFO] [stdout] 441f182f9a7ea460b2d42deef6a2b1544786fd8fd4574ec947a32b8c5e570fc0