[INFO] cloning repository https://github.com/paolobarbolini/rustc-pr85868-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paolobarbolini/rustc-pr85868-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaolobarbolini%2Frustc-pr85868-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaolobarbolini%2Frustc-pr85868-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55e75a96852fa13136e55f2f3c3889f5fb9542ce
[INFO] building paolobarbolini/rustc-pr85868-regression against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaolobarbolini%2Frustc-pr85868-regression" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/paolobarbolini/rustc-pr85868-regression
[INFO] finished tweaking git repo https://github.com/paolobarbolini/rustc-pr85868-regression
[INFO] tweaked toml for git repo https://github.com/paolobarbolini/rustc-pr85868-regression written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paolobarbolini/rustc-pr85868-regression on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paolobarbolini/rustc-pr85868-regression 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0d5eabcd1b7f674fb3ca994441b2e2bf83d42bdd9223bdef77e52872f3bf1f
[INFO] running `Command { std: "docker" "start" "-a" "ac0d5eabcd1b7f674fb3ca994441b2e2bf83d42bdd9223bdef77e52872f3bf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0d5eabcd1b7f674fb3ca994441b2e2bf83d42bdd9223bdef77e52872f3bf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0d5eabcd1b7f674fb3ca994441b2e2bf83d42bdd9223bdef77e52872f3bf1f", kill_on_drop: false }`
[INFO] [stdout] ac0d5eabcd1b7f674fb3ca994441b2e2bf83d42bdd9223bdef77e52872f3bf1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6428068604b67d48dc83b42653c8e3616ec95a4c47c0b2587dbc7bac38a4fee9
[INFO] running `Command { std: "docker" "start" "-a" "6428068604b67d48dc83b42653c8e3616ec95a4c47c0b2587dbc7bac38a4fee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling mime v0.3.16
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.0.70/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=664eade63efd2481 -C extra-filename=-a3f3e7dc27972706 --out-dir /opt/rustwide/target/debug/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/debug/deps --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" "6428068604b67d48dc83b42653c8e3616ec95a4c47c0b2587dbc7bac38a4fee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6428068604b67d48dc83b42653c8e3616ec95a4c47c0b2587dbc7bac38a4fee9", kill_on_drop: false }`
[INFO] [stdout] 6428068604b67d48dc83b42653c8e3616ec95a4c47c0b2587dbc7bac38a4fee9