[INFO] cloning repository https://github.com/tim-harding/autograder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tim-harding/autograder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-harding%2Fautograder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-harding%2Fautograder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e049abb39eb8d297bd754e8c48bdb2e404662e04
[INFO] testing tim-harding/autograder against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-harding%2Fautograder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tim-harding/autograder on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tim-harding/autograder
[INFO] finished tweaking git repo https://github.com/tim-harding/autograder
[INFO] tweaked toml for git repo https://github.com/tim-harding/autograder written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tim-harding/autograder 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dceb62077550d632552cd123619b33a0578e8d418fa62e2c02d0ed6eb038edf7
[INFO] running `Command { std: "docker" "start" "-a" "dceb62077550d632552cd123619b33a0578e8d418fa62e2c02d0ed6eb038edf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dceb62077550d632552cd123619b33a0578e8d418fa62e2c02d0ed6eb038edf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dceb62077550d632552cd123619b33a0578e8d418fa62e2c02d0ed6eb038edf7", kill_on_drop: false }`
[INFO] [stdout] dceb62077550d632552cd123619b33a0578e8d418fa62e2c02d0ed6eb038edf7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f993d5c9da2601ad6edad26b487945b35c75b33c880f3da86530e81baa4fb59c
[INFO] running `Command { std: "docker" "start" "-a" "f993d5c9da2601ad6edad26b487945b35c75b33c880f3da86530e81baa4fb59c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling clap v3.0.10
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `clap` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name clap --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.0.10/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="atty"' --cfg 'feature="clap_derive"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="lazy_static"' --cfg 'feature="std"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="termcolor"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("atty", "backtrace", "cargo", "clap_derive", "color", "debug", "default", "derive", "env", "lazy_static", "regex", "std", "strsim", "suggestions", "termcolor", "terminal_size", "unicase", "unicode", "unstable-doc", "unstable-grouped", "unstable-multicall", "unstable-replace", "wrap_help", "yaml", "yaml-rust"))' -C metadata=0da9f4671e5d7b58 -C extra-filename=-f5ae99882762f553 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-dfdb592f2b92cb98.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-817ea04a92d50a33.rmeta --extern clap_derive=/opt/rustwide/target/debug/deps/libclap_derive-31423a23a18d5e40.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-e4fc3a263a5cea21.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2c4e06f363908d28.rmeta --extern os_str_bytes=/opt/rustwide/target/debug/deps/libos_str_bytes-3253474803e5a636.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-86ce3cf7e8ecb62a.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-18400277aeddbfde.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-810d3faeb26a91de.rmeta --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write /tmp/rustcxrXPaZ/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f993d5c9da2601ad6edad26b487945b35c75b33c880f3da86530e81baa4fb59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f993d5c9da2601ad6edad26b487945b35c75b33c880f3da86530e81baa4fb59c", kill_on_drop: false }`
[INFO] [stdout] f993d5c9da2601ad6edad26b487945b35c75b33c880f3da86530e81baa4fb59c