[INFO] cloning repository https://github.com/smores56/group_pal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smores56/group_pal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmores56%2Fgroup_pal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmores56%2Fgroup_pal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 568a1e4bfb350fbad9c65f91651df750d6880557
[INFO] documenting smores56/group_pal 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%2Fsmores56%2Fgroup_pal" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smores56/group_pal 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/smores56/group_pal
[INFO] finished tweaking git repo https://github.com/smores56/group_pal
[INFO] tweaked toml for git repo https://github.com/smores56/group_pal written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/smores56/group_pal 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]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0ead73ae0685c050c553dfab0353b933774326a41508b3e817d1b790bce62d80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ead73ae0685c050c553dfab0353b933774326a41508b3e817d1b790bce62d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ead73ae0685c050c553dfab0353b933774326a41508b3e817d1b790bce62d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ead73ae0685c050c553dfab0353b933774326a41508b3e817d1b790bce62d80", kill_on_drop: false }`
[INFO] [stdout] 0ead73ae0685c050c553dfab0353b933774326a41508b3e817d1b790bce62d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be71217e4461a5250223db1de6ea34603728aa3d40f0cb008fd57faf9e67d628
[INFO] running `Command { std: "docker" "start" "-a" "be71217e4461a5250223db1de6ea34603728aa3d40f0cb008fd57faf9e67d628", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]  Documenting group_pal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `regex`
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate regex;
[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 `group_pal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name group_pal 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 curl=/opt/rustwide/target/debug/deps/libcurl-3a8a538fc5f14a4a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f991c570363afddd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "be71217e4461a5250223db1de6ea34603728aa3d40f0cb008fd57faf9e67d628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be71217e4461a5250223db1de6ea34603728aa3d40f0cb008fd57faf9e67d628", kill_on_drop: false }`
[INFO] [stdout] be71217e4461a5250223db1de6ea34603728aa3d40f0cb008fd57faf9e67d628
