[INFO] updating cached repository https://github.com/yskszk63/pwl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36a402ef9aa6d09dbedc82367e5b742d964ea31d
[INFO] checking yskszk63/pwl against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fpwl" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yskszk63/pwl on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yskszk63/pwl
[INFO] finished tweaking git repo https://github.com/yskszk63/pwl
[INFO] tweaked toml for git repo https://github.com/yskszk63/pwl written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yskszk63/pwl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6caff8c509e29203d46b697d4371f719e416252fce9584217a8fe016c391fcd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6caff8c509e29203d46b697d4371f719e416252fce9584217a8fe016c391fcd5"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking pwl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/powerline.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn draw(&mut self, segments: &(impl AsRef<[Segments]>)) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn write_fg(&self, w: &mut (impl Write), color: u8) -> Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn write_bg(&self, w: &mut (impl Write), color: u8) -> Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:23:39
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn write_reset(&self, w: &mut (impl Write)) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/powerline.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn draw(&mut self, segments: &(impl AsRef<[Segments]>)) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn write_fg(&self, w: &mut (impl Write), color: u8) -> Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn write_bg(&self, w: &mut (impl Write), color: u8) -> Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/shell.rs:23:39
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn write_reset(&self, w: &mut (impl Write)) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.85s
[INFO] running `"docker" "inspect" "6caff8c509e29203d46b697d4371f719e416252fce9584217a8fe016c391fcd5"`
[INFO] running `"docker" "rm" "-f" "6caff8c509e29203d46b697d4371f719e416252fce9584217a8fe016c391fcd5"`
[INFO] [stdout] 6caff8c509e29203d46b697d4371f719e416252fce9584217a8fe016c391fcd5