[INFO] cloning repository https://github.com/ubamrein/dcc-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubamrein/dcc-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubamrein%2Fdcc-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubamrein%2Fdcc-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd00346a2ce798391b31461117d5bf6694a6ae7d
[INFO] documenting ubamrein/dcc-playground against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubamrein%2Fdcc-playground" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubamrein/dcc-playground on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ubamrein/dcc-playground
[INFO] finished tweaking git repo https://github.com/ubamrein/dcc-playground
[INFO] tweaked toml for git repo https://github.com/ubamrein/dcc-playground written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/ubamrein/dcc-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded der-oid-macro v0.4.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded crypto-mac v0.11.0
[INFO] [stderr]   Downloaded base45 v2.0.1
[INFO] [stderr]   Downloaded oid-registry v0.1.1
[INFO] [stderr]   Downloaded rusticata-macros v3.0.1
[INFO] [stderr]   Downloaded ff v0.9.0
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded group v0.9.0
[INFO] [stderr]   Downloaded g2poly v0.4.0
[INFO] [stderr]   Downloaded simple_asn1 v0.5.3
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded spki v0.3.0
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded pkcs8 v0.6.0
[INFO] [stderr]   Downloaded base64ct v1.0.0
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded g2p v0.4.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded ecdsa v0.11.0
[INFO] [stderr]   Downloaded g2gen v0.4.0
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded der-parser v5.1.0
[INFO] [stderr]   Downloaded vcpkg v0.2.13
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded x509-parser v0.9.2
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded const-oid v0.5.2
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded rqrr v0.3.2
[INFO] [stderr]   Downloaded der v0.3.3
[INFO] [stderr]   Downloaded p256 v0.8.0
[INFO] [stderr]   Downloaded elliptic-curve v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b65347ddd10cf3058255683f0ba821e2c3499f8a5b8d5de4a836ff71f2acc84
[INFO] running `Command { std: "docker" "start" "-a" "8b65347ddd10cf3058255683f0ba821e2c3499f8a5b8d5de4a836ff71f2acc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b65347ddd10cf3058255683f0ba821e2c3499f8a5b8d5de4a836ff71f2acc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b65347ddd10cf3058255683f0ba821e2c3499f8a5b8d5de4a836ff71f2acc84", kill_on_drop: false }`
[INFO] [stdout] 8b65347ddd10cf3058255683f0ba821e2c3499f8a5b8d5de4a836ff71f2acc84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ed38bb0fb8f9ec0925f49fa3b10b9ea2ccc8ee0c614da977ac0740b66648b11
[INFO] running `Command { std: "docker" "start" "-a" "6ed38bb0fb8f9ec0925f49fa3b10b9ea2ccc8ee0c614da977ac0740b66648b11", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking const-oid v0.5.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking base64ct v1.0.0
[INFO] [stderr]    Compiling oid-registry v0.1.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling g2poly v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking base45 v2.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/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 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6ed38bb0fb8f9ec0925f49fa3b10b9ea2ccc8ee0c614da977ac0740b66648b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed38bb0fb8f9ec0925f49fa3b10b9ea2ccc8ee0c614da977ac0740b66648b11", kill_on_drop: false }`
[INFO] [stdout] 6ed38bb0fb8f9ec0925f49fa3b10b9ea2ccc8ee0c614da977ac0740b66648b11