[INFO] cloning repository https://github.com/cpinitiative/online-judge-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpinitiative/online-judge-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpinitiative%2Fonline-judge-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpinitiative%2Fonline-judge-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 199956e7192d15962141ed1dd67684c8662c84a8
[INFO] building cpinitiative/online-judge-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpinitiative%2Fonline-judge-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cpinitiative/online-judge-rust
[INFO] finished tweaking git repo https://github.com/cpinitiative/online-judge-rust
[INFO] tweaked toml for git repo https://github.com/cpinitiative/online-judge-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cpinitiative/online-judge-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cpinitiative/online-judge-rust 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 795e710eb2f0bd6ddc247f6eaa09c3234e2ffd35baead93c6606b5bf243f8551
[INFO] running `Command { std: "docker" "start" "-a" "795e710eb2f0bd6ddc247f6eaa09c3234e2ffd35baead93c6606b5bf243f8551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795e710eb2f0bd6ddc247f6eaa09c3234e2ffd35baead93c6606b5bf243f8551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795e710eb2f0bd6ddc247f6eaa09c3234e2ffd35baead93c6606b5bf243f8551", kill_on_drop: false }`
[INFO] [stdout] 795e710eb2f0bd6ddc247f6eaa09c3234e2ffd35baead93c6606b5bf243f8551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94e173fa93c351e718527a58ad6aac97a3c74afdd2593726f2be56c801cd7f4
[INFO] running `Command { std: "docker" "start" "-a" "b94e173fa93c351e718527a58ad6aac97a3c74afdd2593726f2be56c801cd7f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling time-core v0.1.3
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling aws-types v1.3.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling base64-simd v0.8.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.16/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=c5e0d1c86344527c -C extra-filename=-94db4048df0d322f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shlex=/opt/rustwide/target/debug/deps/libshlex-258c8bec04b9d869.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b94e173fa93c351e718527a58ad6aac97a3c74afdd2593726f2be56c801cd7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94e173fa93c351e718527a58ad6aac97a3c74afdd2593726f2be56c801cd7f4", kill_on_drop: false }`
[INFO] [stdout] b94e173fa93c351e718527a58ad6aac97a3c74afdd2593726f2be56c801cd7f4