[INFO] fetching crate vouch 0.2.5...
[INFO] documenting vouch-0.2.5 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate vouch 0.2.5 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate vouch 0.2.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vouch 0.2.5
[INFO] finished tweaking crates.io crate vouch 0.2.5
[INFO] tweaked toml for crates.io crate vouch 0.2.5 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate vouch 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83cabfb626a11d0abe23afae9833f1c5b06d7d270af5a46d181f84230385778d
[INFO] running `Command { std: "docker" "start" "-a" "83cabfb626a11d0abe23afae9833f1c5b06d7d270af5a46d181f84230385778d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83cabfb626a11d0abe23afae9833f1c5b06d7d270af5a46d181f84230385778d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cabfb626a11d0abe23afae9833f1c5b06d7d270af5a46d181f84230385778d", kill_on_drop: false }`
[INFO] [stdout] 83cabfb626a11d0abe23afae9833f1c5b06d7d270af5a46d181f84230385778d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaec380b39cc1f5b2b5a392329dd7e1731338a716bf97aa615b2100cc9836921
[INFO] running `Command { std: "docker" "start" "-a" "aaec380b39cc1f5b2b5a392329dd7e1731338a716bf97aa615b2100cc9836921", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.93/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="align"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=d1353331b6a4f844 -C extra-filename=-d1353331b6a4f844 --out-dir /opt/rustwide/target/debug/build/libc-d1353331b6a4f844 -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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aaec380b39cc1f5b2b5a392329dd7e1731338a716bf97aa615b2100cc9836921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaec380b39cc1f5b2b5a392329dd7e1731338a716bf97aa615b2100cc9836921", kill_on_drop: false }`
[INFO] [stdout] aaec380b39cc1f5b2b5a392329dd7e1731338a716bf97aa615b2100cc9836921
