[INFO] fetching crate tokio-tar 0.2.0...
[INFO] documenting tokio-tar-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate tokio-tar 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tokio-tar 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-tar 0.2.0
[INFO] finished tweaking crates.io crate tokio-tar 0.2.0
[INFO] tweaked toml for crates.io crate tokio-tar 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tokio-tar 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b61306792e88da3d0aa58aefa8e940f22b9b277595f15d4f7e04f3ba086c2c1
[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" "1b61306792e88da3d0aa58aefa8e940f22b9b277595f15d4f7e04f3ba086c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b61306792e88da3d0aa58aefa8e940f22b9b277595f15d4f7e04f3ba086c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b61306792e88da3d0aa58aefa8e940f22b9b277595f15d4f7e04f3ba086c2c1", kill_on_drop: false }`
[INFO] [stdout] 1b61306792e88da3d0aa58aefa8e940f22b9b277595f15d4f7e04f3ba086c2c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16045080879fe8efe5d1cb82184c481b59cdd78dbd6edde03dec4cbb33527e1
[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" "a16045080879fe8efe5d1cb82184c481b59cdd78dbd6edde03dec4cbb33527e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]  Documenting tokio-tar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]     --> src/header.rs:1600:47
[INFO] [stdout]      |
[INFO] [stdout] 1600 |         Cow::Borrowed(bytes) => Cow::Borrowed({ Path::new(OsStr::from_bytes(bytes)) }),
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]     --> src/header.rs:1601:41
[INFO] [stdout]      |
[INFO] [stdout] 1601 |         Cow::Owned(bytes) => Cow::Owned({ PathBuf::from(OsString::from_vec(bytes)) }),
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.42s
[INFO] running `Command { std: "docker" "inspect" "a16045080879fe8efe5d1cb82184c481b59cdd78dbd6edde03dec4cbb33527e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16045080879fe8efe5d1cb82184c481b59cdd78dbd6edde03dec4cbb33527e1", kill_on_drop: false }`
[INFO] [stdout] a16045080879fe8efe5d1cb82184c481b59cdd78dbd6edde03dec4cbb33527e1
