[INFO] fetching crate signtensors 0.2.1...
[INFO] checking signtensors-0.2.1 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate signtensors 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate signtensors 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate signtensors 0.2.1
[INFO] tweaked toml for crates.io crate signtensors 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signtensors 0.2.1 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate signtensors 0.2.1 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gemm v0.18.0
[INFO] [stderr]   Downloaded gemm-c64 v0.18.0
[INFO] [stderr]   Downloaded gemm-f64 v0.18.0
[INFO] [stderr]   Downloaded coe-rs v0.1.2
[INFO] [stderr]   Downloaded dbgf v0.1.2
[INFO] [stderr]   Downloaded gemm-f16 v0.18.0
[INFO] [stderr]   Downloaded nano-gemm v0.1.2
[INFO] [stderr]   Downloaded diol v0.8.3
[INFO] [stderr]   Downloaded colorgrad v0.6.2
[INFO] [stderr]   Downloaded gemm-common v0.18.0
[INFO] [stderr]   Downloaded matrixcompare v0.3.0
[INFO] [stderr]   Downloaded faer-entity v0.20.1
[INFO] [stderr]   Downloaded dyn-stack v0.11.0
[INFO] [stderr]   Downloaded pulp v0.21.0
[INFO] [stderr]   Downloaded gemm-c32 v0.18.0
[INFO] [stderr]   Downloaded gemm-f32 v0.18.0
[INFO] [stderr]   Downloaded matrixcompare-core v0.1.0
[INFO] [stderr]   Downloaded faer v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc35ae690f285b78b81d42b1ee50362e375779bc36610884625becabbfe844cc
[INFO] running `Command { std: "docker" "start" "-a" "fc35ae690f285b78b81d42b1ee50362e375779bc36610884625becabbfe844cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc35ae690f285b78b81d42b1ee50362e375779bc36610884625becabbfe844cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc35ae690f285b78b81d42b1ee50362e375779bc36610884625becabbfe844cc", kill_on_drop: false }`
[INFO] [stdout] fc35ae690f285b78b81d42b1ee50362e375779bc36610884625becabbfe844cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5fbb21ad275bfe6fe1c9af3de089f4c1fad562c0b3d1e02b4bfaa43eb69d11f
[INFO] running `Command { std: "docker" "start" "-a" "e5fbb21ad275bfe6fe1c9af3de089f4c1fad562c0b3d1e02b4bfaa43eb69d11f", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/a450357c3f045d4a9590f36b8f8ed40251f7b0ac385fc38b5b00cc4abc9fbb0b/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "e5fbb21ad275bfe6fe1c9af3de089f4c1fad562c0b3d1e02b4bfaa43eb69d11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fbb21ad275bfe6fe1c9af3de089f4c1fad562c0b3d1e02b4bfaa43eb69d11f", kill_on_drop: false }`
[INFO] [stdout] e5fbb21ad275bfe6fe1c9af3de089f4c1fad562c0b3d1e02b4bfaa43eb69d11f