[INFO] cloning repository https://github.com/elton/twitter-clone-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elton/twitter-clone-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felton%2Ftwitter-clone-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felton%2Ftwitter-clone-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63892591110f545c05ee06100fb9d447a1b8833b
[INFO] documenting elton/twitter-clone-study against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felton%2Ftwitter-clone-study" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elton/twitter-clone-study on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elton/twitter-clone-study
[INFO] finished tweaking git repo https://github.com/elton/twitter-clone-study
[INFO] tweaked toml for git repo https://github.com/elton/twitter-clone-study written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/elton/twitter-clone-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3319d2708aa0990c5a953be7d96ed1a0ebc5d7334be2ea7b828c31d04caed49
[INFO] running `Command { std: "docker" "start" "-a" "e3319d2708aa0990c5a953be7d96ed1a0ebc5d7334be2ea7b828c31d04caed49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3319d2708aa0990c5a953be7d96ed1a0ebc5d7334be2ea7b828c31d04caed49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3319d2708aa0990c5a953be7d96ed1a0ebc5d7334be2ea7b828c31d04caed49", kill_on_drop: false }`
[INFO] [stdout] e3319d2708aa0990c5a953be7d96ed1a0ebc5d7334be2ea7b828c31d04caed49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c03f36d5529a0de7693c2a89c322ae290332b5f212af0f5437c8cbfacbf85e82
[INFO] running `Command { std: "docker" "start" "-a" "c03f36d5529a0de7693c2a89c322ae290332b5f212af0f5437c8cbfacbf85e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.21.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=a571e456742bf5f4 -C extra-filename=-a571e456742bf5f4 --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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c03f36d5529a0de7693c2a89c322ae290332b5f212af0f5437c8cbfacbf85e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03f36d5529a0de7693c2a89c322ae290332b5f212af0f5437c8cbfacbf85e82", kill_on_drop: false }`
[INFO] [stdout] c03f36d5529a0de7693c2a89c322ae290332b5f212af0f5437c8cbfacbf85e82
