[INFO] cloning repository https://github.com/simonjiao/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonjiao/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonjiao%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonjiao%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5f0750c3bf9d3f52a4ad2784314f35b1dbc7f4
[INFO] documenting simonjiao/learning-rust 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%2Fsimonjiao%2Flearning-rust" "/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/simonjiao/learning-rust 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/simonjiao/learning-rust
[INFO] finished tweaking git repo https://github.com/simonjiao/learning-rust
[INFO] tweaked toml for git repo https://github.com/simonjiao/learning-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/simonjiao/learning-rust 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 num-complex v0.4.0
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.7
[INFO] [stderr]   Downloaded rusqlite v0.25.1
[INFO] [stderr]   Downloaded backtrace v0.3.58
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.22.1
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded syslog v5.0.0
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 151f11959d53bae5795bfd7badd61d382fd33a93392f8625de5eeb11d3837bb4
[INFO] running `Command { std: "docker" "start" "-a" "151f11959d53bae5795bfd7badd61d382fd33a93392f8625de5eeb11d3837bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "151f11959d53bae5795bfd7badd61d382fd33a93392f8625de5eeb11d3837bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151f11959d53bae5795bfd7badd61d382fd33a93392f8625de5eeb11d3837bb4", kill_on_drop: false }`
[INFO] [stdout] 151f11959d53bae5795bfd7badd61d382fd33a93392f8625de5eeb11d3837bb4
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad0ac1323aad303c29982cda12d60133d473e962118135786b2ed66095809a7
[INFO] running `Command { std: "docker" "start" "-a" "aad0ac1323aad303c29982cda12d60133d473e962118135786b2ed66095809a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking rusqlite v0.25.1
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/encoding/character_set.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /// https://url.spec.whatwg.org/#fragment-percent-encode-set
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://url.spec.whatwg.org/#fragment-percent-encode-set>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `learning-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name develop_tools src/bin/develop_tools.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-4b3b63236f90b4c5.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-0feadca7abf19989.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7925d1bf53c9b12a.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-bd8a801b2746a03c.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-96c752d1e9e3a3c9.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-1b924fc9bbbdbc00.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-4be230dce5ce1381.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-1bb90860e652ebb6.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-cfb1aa7b10959982.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-68fac140d086b758.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-39053e3f2f05ba77.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-029696837cd6fb58.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-cf9195bb4c7ccd24.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern learning_rust=/opt/rustwide/target/debug/deps/liblearning_rust-122ca426716923d9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-56a705720bafac8d.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-edc3f4edf9492ba5.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-076fe5d60f42d1ec.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b2cf7667a7789e07.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-2cb69b838485abd5.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-389ee73fac06bf38.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f365ced6a1a51ccd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fd7c22c517e8d025.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-3e652dfe4cb71fa4.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-67734e0af9ad1fec.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-8b92a573d77c9136.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-5371c38c725add2b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b8ddcbbcedb60782.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-eb4863d229df64a0.rmeta --extern syslog=/opt/rustwide/target/debug/deps/libsyslog-4ba323fcd840cf1d.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-24dcf24aa55524ba.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4151d77dbed73c6b.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-d36f9ed7b6bd9fe6.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-53a71a7aed5f6543.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-2196de9cbf08f45a.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-209acec34e8a5672.rmeta --cap-lints=warn --crate-version 0.1.0` (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" "aad0ac1323aad303c29982cda12d60133d473e962118135786b2ed66095809a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad0ac1323aad303c29982cda12d60133d473e962118135786b2ed66095809a7", kill_on_drop: false }`
[INFO] [stdout] aad0ac1323aad303c29982cda12d60133d473e962118135786b2ed66095809a7
