[INFO] updating cached repository https://github.com/Nugine/carapace
[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] a7410915a686c611e0cbdd82af9360d430f82a8d
[INFO] documenting Nugine/carapace against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNugine%2Fcarapace" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nugine/carapace 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/Nugine/carapace
[INFO] finished tweaking git repo https://github.com/Nugine/carapace
[INFO] tweaked toml for git repo https://github.com/Nugine/carapace written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nugine/carapace 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7f01a6501e8915423e28b86021de015d81fc02b8203b13ece50ee65d5047aa82
[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" "7f01a6501e8915423e28b86021de015d81fc02b8203b13ece50ee65d5047aa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f01a6501e8915423e28b86021de015d81fc02b8203b13ece50ee65d5047aa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f01a6501e8915423e28b86021de015d81fc02b8203b13ece50ee65d5047aa82", kill_on_drop: false }`
[INFO] [stdout] 7f01a6501e8915423e28b86021de015d81fc02b8203b13ece50ee65d5047aa82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c6c3c15bbab763f595dce1741e4d9730d27c35ef60004efd3acb987b78562e5
[INFO] running `Command { std: "docker" "start" "-a" "0c6c3c15bbab763f595dce1741e4d9730d27c35ef60004efd3acb987b78562e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking seccomp-sys v0.1.2
[INFO] [stderr]     Checking rlimit v0.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking syscallz v0.11.4 (https://github.com/Nugine/syscallz-rs.git?rev=a4de572#a4de572a)
[INFO] [stderr]     Checking serde v1.0.97
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking carapace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting carapace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/runalg.rs:37:45
[INFO] [stdout]    |
[INFO] [stdout] 37 |         .expect("Unexpected \\0 in stdout");;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/runalg.rs:40:45
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .expect("Unexpected \\0 in stderr");;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.71s
[INFO] running `Command { std: "docker" "inspect" "0c6c3c15bbab763f595dce1741e4d9730d27c35ef60004efd3acb987b78562e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6c3c15bbab763f595dce1741e4d9730d27c35ef60004efd3acb987b78562e5", kill_on_drop: false }`
[INFO] [stdout] 0c6c3c15bbab763f595dce1741e4d9730d27c35ef60004efd3acb987b78562e5