[INFO] cloning repository https://github.com/gcharnock/neural-network-handwriting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcharnock/neural-network-handwriting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcharnock%2Fneural-network-handwriting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcharnock%2Fneural-network-handwriting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14fa3d41a5acbfb979a5bf2bd10b869476659794
[INFO] documenting gcharnock/neural-network-handwriting 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%2Fgcharnock%2Fneural-network-handwriting" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gcharnock/neural-network-handwriting 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/gcharnock/neural-network-handwriting
[INFO] finished tweaking git repo https://github.com/gcharnock/neural-network-handwriting
[INFO] tweaked toml for git repo https://github.com/gcharnock/neural-network-handwriting written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gcharnock/neural-network-handwriting 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4eee75550aed6559b5e6be59316a676240085ff4dd2fe894eae7e42460954097
[INFO] running `Command { std: "docker" "start" "-a" "4eee75550aed6559b5e6be59316a676240085ff4dd2fe894eae7e42460954097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eee75550aed6559b5e6be59316a676240085ff4dd2fe894eae7e42460954097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eee75550aed6559b5e6be59316a676240085ff4dd2fe894eae7e42460954097", kill_on_drop: false }`
[INFO] [stdout] 4eee75550aed6559b5e6be59316a676240085ff4dd2fe894eae7e42460954097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d73b471efc08757009f603c7588249a4ebe66b506e49c9d71aac583d201d63bb
[INFO] running `Command { std: "docker" "start" "-a" "d73b471efc08757009f603c7588249a4ebe66b506e49c9d71aac583d201d63bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]  Documenting neural_network_handwriting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `assert_approx_eq`
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate assert_approx_eq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `neural_network_handwriting`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name neural_network_handwriting src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7d732e3ac5dcc3a0.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a4971a6abd188e5c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-676373acc79f9549.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d73b471efc08757009f603c7588249a4ebe66b506e49c9d71aac583d201d63bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73b471efc08757009f603c7588249a4ebe66b506e49c9d71aac583d201d63bb", kill_on_drop: false }`
[INFO] [stdout] d73b471efc08757009f603c7588249a4ebe66b506e49c9d71aac583d201d63bb
