[INFO] fetching crate catfs 0.8.0...
[INFO] documenting catfs-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate catfs 0.8.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate catfs 0.8.0 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 crates.io crate catfs 0.8.0
[INFO] finished tweaking crates.io crate catfs 0.8.0
[INFO] tweaked toml for crates.io crate catfs 0.8.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 9476afbc3e88655575673979869b1cb477ef73a9949c98737a5b4e2ae0075ebc
[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" "9476afbc3e88655575673979869b1cb477ef73a9949c98737a5b4e2ae0075ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9476afbc3e88655575673979869b1cb477ef73a9949c98737a5b4e2ae0075ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9476afbc3e88655575673979869b1cb477ef73a9949c98737a5b4e2ae0075ebc", kill_on_drop: false }`
[INFO] [stdout] 9476afbc3e88655575673979869b1cb477ef73a9949c98737a5b4e2ae0075ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 8cac2cd6e1a4929e37dd2074a7d9d64238a9dea994ee32be49a63288984b7652
[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" "8cac2cd6e1a4929e37dd2074a7d9d64238a9dea994ee32be49a63288984b7652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking sha2 v0.6.0
[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: `...` range patterns are deprecated
[INFO] [stdout]   --> src/catfs/flags.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 '0'...'9' => 1,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/catfs/rlibc.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         (&mut off_from)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/catfs/rlibc.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         (&mut off_to)
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/catfs/inode.rs:284:67
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn mkdir(&self, name: &OsStr, mode: u32) -> error::Result<(Inode)> {
[INFO] [stdout]     |                                                                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "8cac2cd6e1a4929e37dd2074a7d9d64238a9dea994ee32be49a63288984b7652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cac2cd6e1a4929e37dd2074a7d9d64238a9dea994ee32be49a63288984b7652", kill_on_drop: false }`
[INFO] [stdout] 8cac2cd6e1a4929e37dd2074a7d9d64238a9dea994ee32be49a63288984b7652