[INFO] fetching crate fuser 0.4.0...
[INFO] documenting fuser-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fuser 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fuser 0.4.0 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 fuser 0.4.0
[INFO] finished tweaking crates.io crate fuser 0.4.0
[INFO] tweaked toml for crates.io crate fuser 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate fuser 0.4.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded libc v0.2.71
[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] f5d3c2a2c520fe67491246a0e7bcfda1d1ce75fb8f776fef20e0ab337856552f
[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" "f5d3c2a2c520fe67491246a0e7bcfda1d1ce75fb8f776fef20e0ab337856552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d3c2a2c520fe67491246a0e7bcfda1d1ce75fb8f776fef20e0ab337856552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d3c2a2c520fe67491246a0e7bcfda1d1ce75fb8f776fef20e0ab337856552f", kill_on_drop: false }`
[INFO] [stdout] f5d3c2a2c520fe67491246a0e7bcfda1d1ce75fb8f776fef20e0ab337856552f
[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] 78ccfdf7c9f294e225b1a365fc26457f4dfd98239d18a07e3769155330b7001d
[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" "78ccfdf7c9f294e225b1a365fc26457f4dfd98239d18a07e3769155330b7001d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fuser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/fuse_abi.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![warn(missing_debug_implementations, rust_2018_idioms)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/fuse_sys.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![warn(missing_debug_implementations, rust_2018_idioms)]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/fuse_abi.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![warn(missing_debug_implementations, rust_2018_idioms)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "78ccfdf7c9f294e225b1a365fc26457f4dfd98239d18a07e3769155330b7001d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ccfdf7c9f294e225b1a365fc26457f4dfd98239d18a07e3769155330b7001d", kill_on_drop: false }`
[INFO] [stdout] 78ccfdf7c9f294e225b1a365fc26457f4dfd98239d18a07e3769155330b7001d