[INFO] cloning repository https://github.com/lancelote/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lancelote/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flancelote%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flancelote%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7519cb8760d9aa101386560058ca93ad2d70684
[INFO] documenting lancelote/rust-in-action 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%2Flancelote%2Frust-in-action" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lancelote/rust-in-action 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/lancelote/rust-in-action
[INFO] finished tweaking git repo https://github.com/lancelote/rust-in-action
[INFO] tweaked toml for git repo https://github.com/lancelote/rust-in-action written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/lancelote/rust-in-action 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] baeb3e93fa4ceb054d96f06596aaa855267ebc5385bd9334be218b326d2c9046
[INFO] running `Command { std: "docker" "start" "-a" "baeb3e93fa4ceb054d96f06596aaa855267ebc5385bd9334be218b326d2c9046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baeb3e93fa4ceb054d96f06596aaa855267ebc5385bd9334be218b326d2c9046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baeb3e93fa4ceb054d96f06596aaa855267ebc5385bd9334be218b326d2c9046", kill_on_drop: false }`
[INFO] [stdout] baeb3e93fa4ceb054d96f06596aaa855267ebc5385bd9334be218b326d2c9046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] c83b1c933a040b0de7c671ded74191568a495af8d9f55c3a09feca2ddb62028e
[INFO] running `Command { std: "docker" "start" "-a" "c83b1c933a040b0de7c671ded74191568a495af8d9f55c3a09feca2ddb62028e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]  Documenting ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]  Documenting ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stderr] error: could not document `ch02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name grep_lite_v3 ch02/src/bin/grep_lite_v3.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-0f007ead8949c358.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-2eefba2a744190d3.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c6ee4927d0792347.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" "c83b1c933a040b0de7c671ded74191568a495af8d9f55c3a09feca2ddb62028e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83b1c933a040b0de7c671ded74191568a495af8d9f55c3a09feca2ddb62028e", kill_on_drop: false }`
[INFO] [stdout] c83b1c933a040b0de7c671ded74191568a495af8d9f55c3a09feca2ddb62028e
