[INFO] updating cached repository https://github.com/kanishkd4/Rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2b88db631e7cfa65de6b348419da65cb5c3b8c7
[INFO] documenting kanishkd4/Rust-by-example against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanishkd4%2FRust-by-example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanishkd4/Rust-by-example on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanishkd4/Rust-by-example
[INFO] finished tweaking git repo https://github.com/kanishkd4/Rust-by-example
[INFO] tweaked toml for git repo https://github.com/kanishkd4/Rust-by-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kanishkd4/Rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3003bf491e4ea4d13d313b2f59f4837dad7a5841aa92a74751602912937ce803
[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" "3003bf491e4ea4d13d313b2f59f4837dad7a5841aa92a74751602912937ce803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3003bf491e4ea4d13d313b2f59f4837dad7a5841aa92a74751602912937ce803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3003bf491e4ea4d13d313b2f59f4837dad7a5841aa92a74751602912937ce803", kill_on_drop: false }`
[INFO] [stdout] 3003bf491e4ea4d13d313b2f59f4837dad7a5841aa92a74751602912937ce803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1640f000bc20df4b20c6918b7b751a40208e1a8b7f685779afbae2fe2ad7d0
[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" "0a1640f000bc20df4b20c6918b7b751a40208e1a8b7f685779afbae2fe2ad7d0", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `u64_t` should have an upper camel case name
[INFO] [stdout]   --> src/bin/c5_types.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | type u64_t = u64;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case: `U64T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `s` should have an upper camel case name
[INFO] [stdout]   --> src/bin/c14_generics_bounds_where.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
[INFO] [stdout]    |        ^ help: convert the identifier to upper camel case (notice the capitalization): `S`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-by-example`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name c6_conversions src/bin/c6_conversions.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=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a1640f000bc20df4b20c6918b7b751a40208e1a8b7f685779afbae2fe2ad7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1640f000bc20df4b20c6918b7b751a40208e1a8b7f685779afbae2fe2ad7d0", kill_on_drop: false }`
[INFO] [stdout] 0a1640f000bc20df4b20c6918b7b751a40208e1a8b7f685779afbae2fe2ad7d0