[INFO] cloning repository https://github.com/kahing/catfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kahing/catfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahing%2Fcatfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahing%2Fcatfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daa2b85798fa8ca38306242d51cbc39ed122e271
[INFO] documenting kahing/catfs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahing%2Fcatfs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kahing/catfs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kahing/catfs
[INFO] finished tweaking git repo https://github.com/kahing/catfs
[INFO] tweaked toml for git repo https://github.com/kahing/catfs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kahing/catfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "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] 5e738ca1a6b06697c0d0234234b51f83da3754a60d0e7e63e525dc75716ea7c6
[INFO] running `Command { std: "docker" "start" "-a" "5e738ca1a6b06697c0d0234234b51f83da3754a60d0e7e63e525dc75716ea7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e738ca1a6b06697c0d0234234b51f83da3754a60d0e7e63e525dc75716ea7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e738ca1a6b06697c0d0234234b51f83da3754a60d0e7e63e525dc75716ea7c6", kill_on_drop: false }`
[INFO] [stdout] 5e738ca1a6b06697c0d0234234b51f83da3754a60d0e7e63e525dc75716ea7c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db67b16984745c11bd6ea74f7ad6fc0ad1bdf3c73393bf6da8ef09b8417a8ade
[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" "db67b16984745c11bd6ea74f7ad6fc0ad1bdf3c73393bf6da8ef09b8417a8ade", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking xattr v0.2.1
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking chan v0.1.20
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]  Documenting catfs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/catfs/inode.rs:284:76
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn mkdir(&self, name: &OsStr, mode: libc::mode_t) -> error::Result<(Inode)> {
[INFO] [stdout]     |                                                                            ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "db67b16984745c11bd6ea74f7ad6fc0ad1bdf3c73393bf6da8ef09b8417a8ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db67b16984745c11bd6ea74f7ad6fc0ad1bdf3c73393bf6da8ef09b8417a8ade", kill_on_drop: false }`
[INFO] [stdout] db67b16984745c11bd6ea74f7ad6fc0ad1bdf3c73393bf6da8ef09b8417a8ade