[INFO] cloning repository https://github.com/ianic/yarws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianic/yarws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30d5b5f8d8f367f3fd92d7aa03a2a8fa957c9e6
[INFO] documenting ianic/yarws against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianic/yarws on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianic/yarws
[INFO] finished tweaking git repo https://github.com/ianic/yarws
[INFO] tweaked toml for git repo https://github.com/ianic/yarws written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ianic/yarws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45064d1741ebcc25909c39adc048abe13772d17411f6bd55b45e2fef29f8fb26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45064d1741ebcc25909c39adc048abe13772d17411f6bd55b45e2fef29f8fb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45064d1741ebcc25909c39adc048abe13772d17411f6bd55b45e2fef29f8fb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45064d1741ebcc25909c39adc048abe13772d17411f6bd55b45e2fef29f8fb26", kill_on_drop: false }`
[INFO] [stdout] 45064d1741ebcc25909c39adc048abe13772d17411f6bd55b45e2fef29f8fb26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c857ee9829f0940f088a8e63b03fa6ab1f9df409f1c9e220e6f86f57a4c852f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c857ee9829f0940f088a8e63b03fa6ab1f9df409f1c9e220e6f86f57a4c852f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking yarws v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting yarws v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `yarws`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name yarws src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-301ff4ddca327bfb.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-b9cd7a8fdc23d6ca.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-971585536c79b74e.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f0523f5b4d97db5c.rmeta --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-1c0dd3faacb99484.rmeta --extern inflate=/opt/rustwide/target/debug/deps/libinflate-1e7c7af3297fd817.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-561934c23d5cd676.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4687a88fe8b3e377.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11946bb198eefaee.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-06588dfbc787af0f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7e235c525530081c.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-982801d18d4424a8.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-033f4152db95de0c.rmeta --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-a4ff55aa96350ca0.rmeta --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-3b47374618b67e30.rmeta --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-994aafa561dd9ca7.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-403d63e6c94ea3fc.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-910f1662834f3376.rmeta --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-57f9e33734060f72.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ead0c533f54ff04b.rmeta --cap-lints=warn --crate-version 0.3.1` (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" "c857ee9829f0940f088a8e63b03fa6ab1f9df409f1c9e220e6f86f57a4c852f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c857ee9829f0940f088a8e63b03fa6ab1f9df409f1c9e220e6f86f57a4c852f5", kill_on_drop: false }`
[INFO] [stdout] c857ee9829f0940f088a8e63b03fa6ab1f9df409f1c9e220e6f86f57a4c852f5