[INFO] cloning repository https://github.com/cloudsickle/fdname
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cloudsickle/fdname" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudsickle%2Ffdname", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudsickle%2Ffdname'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c66d67fc233123a1275483e425c36525fa82dcf9
[INFO] checking cloudsickle/fdname against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudsickle%2Ffdname" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cloudsickle/fdname
[INFO] finished tweaking git repo https://github.com/cloudsickle/fdname
[INFO] tweaked toml for git repo https://github.com/cloudsickle/fdname written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cloudsickle/fdname on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cloudsickle/fdname already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.12.1
[INFO] [stderr]       Adding atty v0.2.14
[INFO] [stderr]       Adding bitflags v1.3.2
[INFO] [stderr]       Adding clap v2.34.0
[INFO] [stderr]       Adding heck v0.3.3
[INFO] [stderr]       Adding hermit-abi v0.1.19
[INFO] [stderr]     Updating libc v0.2.46 -> v0.2.177
[INFO] [stderr]     Updating strsim v0.7.0 -> v0.8.0
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] [stderr]       Adding structopt-derive v0.2.18
[INFO] [stderr]       Adding textwrap v0.11.0
[INFO] [stderr]       Adding unicode-segmentation v1.12.0
[INFO] [stderr]       Adding unicode-width v0.1.14
[INFO] [stderr]       Adding vec_map v0.8.2
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17dc4e941ed8a2491e3af94aba2231e5d555f949b5f97f84113a476fdc8a8317
[INFO] running `Command { std: "docker" "start" "-a" "17dc4e941ed8a2491e3af94aba2231e5d555f949b5f97f84113a476fdc8a8317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17dc4e941ed8a2491e3af94aba2231e5d555f949b5f97f84113a476fdc8a8317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dc4e941ed8a2491e3af94aba2231e5d555f949b5f97f84113a476fdc8a8317", kill_on_drop: false }`
[INFO] [stdout] 17dc4e941ed8a2491e3af94aba2231e5d555f949b5f97f84113a476fdc8a8317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d053c5652760df7ba0b3835b3af282b645ecb62865548808d5d7097e68651aed
[INFO] running `Command { std: "docker" "start" "-a" "d053c5652760df7ba0b3835b3af282b645ecb62865548808d5d7097e68651aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking fdname v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:88:38
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn root_dir(opt: &Opt) -> io::Result<(path::PathBuf)> {
[INFO] [stdout]    |                                      ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 - fn root_dir(opt: &Opt) -> io::Result<(path::PathBuf)> {
[INFO] [stdout] 88 + fn root_dir(opt: &Opt) -> io::Result<path::PathBuf > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:88:38
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn root_dir(opt: &Opt) -> io::Result<(path::PathBuf)> {
[INFO] [stdout]    |                                      ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 - fn root_dir(opt: &Opt) -> io::Result<(path::PathBuf)> {
[INFO] [stdout] 88 + fn root_dir(opt: &Opt) -> io::Result<path::PathBuf > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "d053c5652760df7ba0b3835b3af282b645ecb62865548808d5d7097e68651aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d053c5652760df7ba0b3835b3af282b645ecb62865548808d5d7097e68651aed", kill_on_drop: false }`
[INFO] [stdout] d053c5652760df7ba0b3835b3af282b645ecb62865548808d5d7097e68651aed