[INFO] cloning repository https://github.com/Nov11/rust-pl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nov11/rust-pl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNov11%2Frust-pl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNov11%2Frust-pl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a7cf494b601889c42daf4e23e78245e01117607
[INFO] documenting Nov11/rust-pl against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNov11%2Frust-pl" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nov11/rust-pl on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nov11/rust-pl
[INFO] finished tweaking git repo https://github.com/Nov11/rust-pl
[INFO] tweaked toml for git repo https://github.com/Nov11/rust-pl written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/Nov11/rust-pl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7ad86fb59927e99caa48a008f40674eb4078f43a8fe8aac604b5858cc7c404d
[INFO] running `Command { std: "docker" "start" "-a" "a7ad86fb59927e99caa48a008f40674eb4078f43a8fe8aac604b5858cc7c404d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ad86fb59927e99caa48a008f40674eb4078f43a8fe8aac604b5858cc7c404d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ad86fb59927e99caa48a008f40674eb4078f43a8fe8aac604b5858cc7c404d", kill_on_drop: false }`
[INFO] [stdout] a7ad86fb59927e99caa48a008f40674eb4078f43a8fe8aac604b5858cc7c404d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53dcc677af25c8acba86a7719c9a112d9eea3cddb004f845f387304c1a483a17
[INFO] running `Command { std: "docker" "start" "-a" "53dcc677af25c8acba86a7719c9a112d9eea3cddb004f845f387304c1a483a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking ch20 v0.1.0 (/opt/rustwide/workdir/ch20)
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]  Documenting ch20 v0.1.0 (/opt/rustwide/workdir/ch20)
[INFO] [stderr]  Documenting ch19 v0.1.0 (/opt/rustwide/workdir/ch19)
[INFO] [stderr]  Documenting add_two v0.1.0 (/opt/rustwide/workdir/add_two)
[INFO] [stderr]  Documenting modules v0.1.0 (/opt/rustwide/workdir/modules)
[INFO] [stderr]  Documenting ref-scope v0.1.0 (/opt/rustwide/workdir/ref-scope)
[INFO] [stderr]  Documenting state-pattern v0.1.0 (/opt/rustwide/workdir/state-pattern)
[INFO] [stderr]  Documenting box-usage v0.1.0 (/opt/rustwide/workdir/box-usage)
[INFO] [stderr]  Documenting closures v0.1.0 (/opt/rustwide/workdir/closures)
[INFO] [stderr]  Documenting cmd v0.1.0 (/opt/rustwide/workdir/cmd)
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr] error: could not document `ch20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ch20 ch20/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e5e6ae3f7d458b9 -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: could not document `closures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name closures closures/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=98c4d10e50e55251 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "53dcc677af25c8acba86a7719c9a112d9eea3cddb004f845f387304c1a483a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dcc677af25c8acba86a7719c9a112d9eea3cddb004f845f387304c1a483a17", kill_on_drop: false }`
[INFO] [stdout] 53dcc677af25c8acba86a7719c9a112d9eea3cddb004f845f387304c1a483a17