[INFO] cloning repository https://github.com/FrancisRussell/hfsplus-rescue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrancisRussell/hfsplus-rescue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 569a58c552b375d1a626129c6a8ff34743082da7
[INFO] documenting FrancisRussell/hfsplus-rescue against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrancisRussell/hfsplus-rescue on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrancisRussell/hfsplus-rescue
[INFO] finished tweaking git repo https://github.com/FrancisRussell/hfsplus-rescue
[INFO] tweaked toml for git repo https://github.com/FrancisRussell/hfsplus-rescue written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FrancisRussell/hfsplus-rescue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 1e26dda23a000b12f56e0aa9e0cf738e65ad398dc5daed947668b672301bc589
[INFO] running `Command { std: "docker" "start" "-a" "1e26dda23a000b12f56e0aa9e0cf738e65ad398dc5daed947668b672301bc589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e26dda23a000b12f56e0aa9e0cf738e65ad398dc5daed947668b672301bc589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e26dda23a000b12f56e0aa9e0cf738e65ad398dc5daed947668b672301bc589", kill_on_drop: false }`
[INFO] [stdout] 1e26dda23a000b12f56e0aa9e0cf738e65ad398dc5daed947668b672301bc589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 0f19dd9efe32d31e3460250da2962ad51b737b4bdff430a2a318897b64f64567
[INFO] running `Command { std: "docker" "start" "-a" "0f19dd9efe32d31e3460250da2962ad51b737b4bdff430a2a318897b64f64567", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking hfsplus-rescue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hfsplus-rescue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/filesystem.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut buffer = unsafe { slice::from_raw_parts_mut(ptr, length) };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/filesystem.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     file: F,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "0f19dd9efe32d31e3460250da2962ad51b737b4bdff430a2a318897b64f64567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f19dd9efe32d31e3460250da2962ad51b737b4bdff430a2a318897b64f64567", kill_on_drop: false }`
[INFO] [stdout] 0f19dd9efe32d31e3460250da2962ad51b737b4bdff430a2a318897b64f64567