[INFO] cloning repository https://github.com/elba/elba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elba/elba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felba%2Felba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felba%2Felba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a16b0c123ebe00b6b613587fc45aabc318430d71
[INFO] documenting elba/elba 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%2Felba%2Felba" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elba/elba 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/elba/elba
[INFO] finished tweaking git repo https://github.com/elba/elba
[INFO] tweaked toml for git repo https://github.com/elba/elba written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/elba/elba 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded ignore v0.4.11
[INFO] [stderr]   Downloaded hyper v0.13.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded openssl v0.10.28
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded slog-async v2.4.0
[INFO] [stderr]   Downloaded slog-term v2.5.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded reqwest v0.10.4
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded git2 v0.12.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded backtrace-sys v0.1.33
[INFO] [stderr]   Downloaded libgit2-sys v0.11.0+0.99.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.16
[INFO] [stderr]   Downloaded openssl-src v111.9.0+1.1.1g
[INFO] [stderr]   Downloaded simsearch v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 852d75f128c0e8ed2a02001beb6dbba0d75bb5558b2da894c253e8d58df7ea6b
[INFO] running `Command { std: "docker" "start" "-a" "852d75f128c0e8ed2a02001beb6dbba0d75bb5558b2da894c253e8d58df7ea6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852d75f128c0e8ed2a02001beb6dbba0d75bb5558b2da894c253e8d58df7ea6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852d75f128c0e8ed2a02001beb6dbba0d75bb5558b2da894c253e8d58df7ea6b", kill_on_drop: false }`
[INFO] [stdout] 852d75f128c0e8ed2a02001beb6dbba0d75bb5558b2da894c253e8d58df7ea6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 2b7776f84fcf5f8a05184e26c67a05ebd93841221bd692b318be6cc6e6e35d4c
[INFO] running `Command { std: "docker" "start" "-a" "2b7776f84fcf5f8a05184e26c67a05ebd93841221bd692b318be6cc6e6e35d4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/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="default"' --cfg 'feature="std"' -C metadata=6bc715f61d9aac1b -C extra-filename=-6bc715f61d9aac1b --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" "2b7776f84fcf5f8a05184e26c67a05ebd93841221bd692b318be6cc6e6e35d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7776f84fcf5f8a05184e26c67a05ebd93841221bd692b318be6cc6e6e35d4c", kill_on_drop: false }`
[INFO] [stdout] 2b7776f84fcf5f8a05184e26c67a05ebd93841221bd692b318be6cc6e6e35d4c
