[INFO] cloning repository https://github.com/richardanaya/emoji-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardanaya/emoji-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Femoji-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Femoji-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a04dddb189fc774da740390fffe3e92b4b3b6d9
[INFO] documenting richardanaya/emoji-rs 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%2Frichardanaya%2Femoji-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardanaya/emoji-rs 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/richardanaya/emoji-rs
[INFO] finished tweaking git repo https://github.com/richardanaya/emoji-rs
[INFO] tweaked toml for git repo https://github.com/richardanaya/emoji-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 918e5cb904a09c5e795ec3fe587c9873f70765df98c4d51890d77695e4d88d9f
[INFO] running `Command { std: "docker" "start" "-a" "918e5cb904a09c5e795ec3fe587c9873f70765df98c4d51890d77695e4d88d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918e5cb904a09c5e795ec3fe587c9873f70765df98c4d51890d77695e4d88d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918e5cb904a09c5e795ec3fe587c9873f70765df98c4d51890d77695e4d88d9f", kill_on_drop: false }`
[INFO] [stdout] 918e5cb904a09c5e795ec3fe587c9873f70765df98c4d51890d77695e4d88d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dda4c2c50fe0c19219241dbeb05e0bfcedced108b1d0ff70c4768d6d191c9294
[INFO] running `Command { std: "docker" "start" "-a" "dda4c2c50fe0c19219241dbeb05e0bfcedced108b1d0ff70c4768d6d191c9294", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking emoji v0.2.1 (/opt/rustwide/workdir/emoji)
[INFO] [stderr]  Documenting emoji v0.2.1 (/opt/rustwide/workdir/emoji)
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr] error: could not document `emoji`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name emoji emoji/src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="en"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern fuzzy_matcher=/opt/rustwide/target/debug/deps/libfuzzy_matcher-f3dba93e865f3b86.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6738c699ae19a4d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-e15c02503bba275b.rmeta --cap-lints=warn --crate-version 0.2.1` (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" "dda4c2c50fe0c19219241dbeb05e0bfcedced108b1d0ff70c4768d6d191c9294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda4c2c50fe0c19219241dbeb05e0bfcedced108b1d0ff70c4768d6d191c9294", kill_on_drop: false }`
[INFO] [stdout] dda4c2c50fe0c19219241dbeb05e0bfcedced108b1d0ff70c4768d6d191c9294