[INFO] cloning repository https://github.com/mdsimmo/DailyCodingProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsimmo/DailyCodingProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsimmo%2FDailyCodingProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsimmo%2FDailyCodingProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75f5bae450995de8f22b7076d680db97b9ab7050
[INFO] documenting mdsimmo/DailyCodingProblem 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%2Fmdsimmo%2FDailyCodingProblem" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsimmo/DailyCodingProblem 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/mdsimmo/DailyCodingProblem
[INFO] finished tweaking git repo https://github.com/mdsimmo/DailyCodingProblem
[INFO] tweaked toml for git repo https://github.com/mdsimmo/DailyCodingProblem written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsimmo/DailyCodingProblem 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e801dcc4e676ab72e5d1871698405fa155901e68119fb50447796594382c47fe
[INFO] running `Command { std: "docker" "start" "-a" "e801dcc4e676ab72e5d1871698405fa155901e68119fb50447796594382c47fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e801dcc4e676ab72e5d1871698405fa155901e68119fb50447796594382c47fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e801dcc4e676ab72e5d1871698405fa155901e68119fb50447796594382c47fe", kill_on_drop: false }`
[INFO] [stdout] e801dcc4e676ab72e5d1871698405fa155901e68119fb50447796594382c47fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] da8cc5b25216a0950ce038d80a61e38ef0bbc09e597e8ee5b44fb27ebd0c42cf
[INFO] running `Command { std: "docker" "start" "-a" "da8cc5b25216a0950ce038d80a61e38ef0bbc09e597e8ee5b44fb27ebd0c42cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]  Documenting prob_0021 v0.1.0 (/opt/rustwide/workdir/prob_0021)
[INFO] [stderr]  Documenting prob_0007 v0.1.0 (/opt/rustwide/workdir/prob_0007)
[INFO] [stderr]  Documenting prob_0010 v0.1.0 (/opt/rustwide/workdir/prob_0010)
[INFO] [stderr]  Documenting prob_0011 v0.1.0 (/opt/rustwide/workdir/prob_0011)
[INFO] [stderr]  Documenting prob_0009 v0.1.0 (/opt/rustwide/workdir/prob_0009)
[INFO] [stderr]  Documenting prob_0002 v0.1.0 (/opt/rustwide/workdir/prob_0002)
[INFO] [stderr]  Documenting prob_0001 v0.1.0 (/opt/rustwide/workdir/prob_0001)
[INFO] [stderr]  Documenting prob_0069 v0.1.0 (/opt/rustwide/workdir/prob_0069)
[INFO] [stderr]  Documenting prob_0085 v0.1.0 (/opt/rustwide/workdir/prob_0085)
[INFO] [stderr]  Documenting prob_0022 v0.1.0 (/opt/rustwide/workdir/prob_0022)
[INFO] [stderr]  Documenting prob_0177 v0.1.0 (/opt/rustwide/workdir/prob_0177)
[INFO] [stderr]  Documenting prob_0004 v0.1.0 (/opt/rustwide/workdir/prob_0004)
[INFO] [stderr]  Documenting prob_0070 v0.1.0 (/opt/rustwide/workdir/prob_0070)
[INFO] [stderr]  Documenting prob_0008 v0.1.0 (/opt/rustwide/workdir/prob_0008)
[INFO] [stderr]  Documenting prob_0020 v0.1.0 (/opt/rustwide/workdir/prob_0020)
[INFO] [stderr]  Documenting prob_0012 v0.1.0 (/opt/rustwide/workdir/prob_0012)
[INFO] [stderr]  Documenting prob_0103 v0.1.0 (/opt/rustwide/workdir/prob_0103)
[INFO] [stderr]  Documenting prob_0176s v0.1.0 (/opt/rustwide/workdir/prob_0176)
[INFO] [stderr]  Documenting prob_0017 v0.1.0 (/opt/rustwide/workdir/prob_0017)
[INFO] [stderr]  Documenting prob_0013 v0.1.0 (/opt/rustwide/workdir/prob_0013)
[INFO] [stderr]  Documenting prob_0092 v0.1.0 (/opt/rustwide/workdir/prob_0092)
[INFO] [stderr]  Documenting prob_0016 v0.1.0 (/opt/rustwide/workdir/prob_0016)
[INFO] [stderr]  Documenting prob_0102 v0.1.0 (/opt/rustwide/workdir/prob_0102)
[INFO] [stderr]  Documenting prob_0005 v0.1.0 (/opt/rustwide/workdir/prob_0005)
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr] error: could not document `prob_0020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0020 prob_0020/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 --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" "da8cc5b25216a0950ce038d80a61e38ef0bbc09e597e8ee5b44fb27ebd0c42cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8cc5b25216a0950ce038d80a61e38ef0bbc09e597e8ee5b44fb27ebd0c42cf", kill_on_drop: false }`
[INFO] [stdout] da8cc5b25216a0950ce038d80a61e38ef0bbc09e597e8ee5b44fb27ebd0c42cf
