[INFO] fetching crate cantata 0.2.2...
[INFO] building cantata-0.2.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate cantata 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cantata 0.2.2
[INFO] finished tweaking crates.io crate cantata 0.2.2
[INFO] tweaked toml for crates.io crate cantata 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cantata 0.2.2 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 crates.io crate cantata 0.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fef609173a26002320737c800e2b61beccc97929eafde1e343683252974c40d0
[INFO] running `Command { std: "docker" "start" "-a" "fef609173a26002320737c800e2b61beccc97929eafde1e343683252974c40d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef609173a26002320737c800e2b61beccc97929eafde1e343683252974c40d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef609173a26002320737c800e2b61beccc97929eafde1e343683252974c40d0", kill_on_drop: false }`
[INFO] [stdout] fef609173a26002320737c800e2b61beccc97929eafde1e343683252974c40d0
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fecd12520b58922a19fed554601aef932128352b54388824ec2e0df5de32b43
[INFO] running `Command { std: "docker" "start" "-a" "7fecd12520b58922a19fed554601aef932128352b54388824ec2e0df5de32b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling object v0.36.3
[INFO] [stderr]    Compiling hdf5-metno-types v0.9.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling syn v2.0.76
[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-1.1.15/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=03e89164e9ccf903 -C extra-filename=-0a5ce63559722b74 --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" "7fecd12520b58922a19fed554601aef932128352b54388824ec2e0df5de32b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fecd12520b58922a19fed554601aef932128352b54388824ec2e0df5de32b43", kill_on_drop: false }`
[INFO] [stdout] 7fecd12520b58922a19fed554601aef932128352b54388824ec2e0df5de32b43