[INFO] cloning repository https://github.com/maseb/knave
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maseb/knave" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaseb%2Fknave", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaseb%2Fknave'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2766c4199a9c2abbf742f4f6166f646a3bff500d
[INFO] documenting maseb/knave against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaseb%2Fknave" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maseb/knave 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 git repo https://github.com/maseb/knave
[INFO] finished tweaking git repo https://github.com/maseb/knave
[INFO] tweaked toml for git repo https://github.com/maseb/knave written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/maseb/knave 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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 1068d3084e3e9769c7eb445b5f9f020f53acbc2a53fa7a8af8049979c2ba698f
[INFO] running `Command { std: "docker" "start" "-a" "1068d3084e3e9769c7eb445b5f9f020f53acbc2a53fa7a8af8049979c2ba698f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1068d3084e3e9769c7eb445b5f9f020f53acbc2a53fa7a8af8049979c2ba698f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1068d3084e3e9769c7eb445b5f9f020f53acbc2a53fa7a8af8049979c2ba698f", kill_on_drop: false }`
[INFO] [stdout] 1068d3084e3e9769c7eb445b5f9f020f53acbc2a53fa7a8af8049979c2ba698f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 5ecb2494794e4785b43e69d983fea9fb7f7bfc6c1201b172ba47789e116d25a2
[INFO] running `Command { std: "docker" "start" "-a" "5ecb2494794e4785b43e69d983fea9fb7f7bfc6c1201b172ba47789e116d25a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.10
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr] error: could not compile `unicode-normalization`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_normalization /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=7f3af9b598c68e1a -C extra-filename=-7f3af9b598c68e1a --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" "5ecb2494794e4785b43e69d983fea9fb7f7bfc6c1201b172ba47789e116d25a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecb2494794e4785b43e69d983fea9fb7f7bfc6c1201b172ba47789e116d25a2", kill_on_drop: false }`
[INFO] [stdout] 5ecb2494794e4785b43e69d983fea9fb7f7bfc6c1201b172ba47789e116d25a2
