[INFO] cloning repository https://github.com/t-shin-komae/rmath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-shin-komae/rmath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-shin-komae%2Frmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-shin-komae%2Frmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c6bc4385596d3f5f27bc5b07ff1923feefb8919
[INFO] documenting t-shin-komae/rmath 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%2Ft-shin-komae%2Frmath" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-shin-komae/rmath 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/t-shin-komae/rmath
[INFO] finished tweaking git repo https://github.com/t-shin-komae/rmath
[INFO] tweaked toml for git repo https://github.com/t-shin-komae/rmath written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/t-shin-komae/rmath 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5e569a0f6e58c871203b2b318f5e60855cfec76982b75256493eaf28b9ebd2e8
[INFO] running `Command { std: "docker" "start" "-a" "5e569a0f6e58c871203b2b318f5e60855cfec76982b75256493eaf28b9ebd2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e569a0f6e58c871203b2b318f5e60855cfec76982b75256493eaf28b9ebd2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e569a0f6e58c871203b2b318f5e60855cfec76982b75256493eaf28b9ebd2e8", kill_on_drop: false }`
[INFO] [stdout] 5e569a0f6e58c871203b2b318f5e60855cfec76982b75256493eaf28b9ebd2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] caf47435de9b00e910e524cce68700c915cb066e2634b9cad7a12cba3a1a311c
[INFO] running `Command { std: "docker" "start" "-a" "caf47435de9b00e910e524cce68700c915cb066e2634b9cad7a12cba3a1a311c", kill_on_drop: false }`
[INFO] [stderr]     Checking matrix-trait v0.1.0 (/opt/rustwide/workdir/matrix-trait)
[INFO] [stderr]  Documenting matrix-trait v0.1.0 (/opt/rustwide/workdir/matrix-trait)
[INFO] [stderr]  Documenting sparse v0.1.0 (/opt/rustwide/workdir/sparse)
[INFO] [stdout] error[E0432]: unresolved import `crate::coo`
[INFO] [stdout]  --> sparse/src/dok.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::coo::Coordinate;
[INFO] [stdout]   |            ^^^ could not find `coo` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::coo`
[INFO] [stdout]    --> sparse/src/csr.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | use crate::coo::{Coo,Coordinate};
[INFO] [stdout]     |            ^^^ could not find `coo` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name sparse sparse/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 --extern matrix_trait=/opt/rustwide/target/debug/deps/libmatrix_trait-93584953c715dff6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "caf47435de9b00e910e524cce68700c915cb066e2634b9cad7a12cba3a1a311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf47435de9b00e910e524cce68700c915cb066e2634b9cad7a12cba3a1a311c", kill_on_drop: false }`
[INFO] [stdout] caf47435de9b00e910e524cce68700c915cb066e2634b9cad7a12cba3a1a311c
