[INFO] fetching crate trek-router 0.0.2...
[INFO] extracting crate trek-router 0.0.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/trek-router/0.0.2
[INFO] extracting crate trek-router 0.0.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/trek-router/0.0.2
[INFO] validating manifest of trek-router-0.0.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of trek-router-0.0.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing trek-router-0.0.2
[INFO] removed 0 missing examples
[INFO] finished frobbing trek-router-0.0.2
[INFO] frobbed toml for trek-router-0.0.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/trek-router/0.0.2/Cargo.toml
[INFO] started frobbing trek-router-0.0.2
[INFO] removed 0 missing examples
[INFO] finished frobbing trek-router-0.0.2
[INFO] frobbed toml for trek-router-0.0.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/trek-router/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-tree v0.1.8
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking trek-router-0.0.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/trek-router/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0cf4fc1090426d10cdf23567d6b58c176d0c482360c701f68ab937bf2cfee708
[INFO] running `"docker" "start" "-a" "0cf4fc1090426d10cdf23567d6b58c176d0c482360c701f68ab937bf2cfee708"`
[INFO] [stderr]     Checking path-tree v0.1.8
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking trek-router v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:282:22
[INFO] [stderr]     |
[INFO] [stderr] 282 |         assert_eq!(h((ctx)), 5);
[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 function argument
[INFO] [stderr]    --> src/resource.rs:289:22
[INFO] [stderr]     |
[INFO] [stderr] 289 |         assert_eq!(h((ctx)), 0);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:296:22
[INFO] [stderr]     |
[INFO] [stderr] 296 |         assert_eq!(h((ctx)), 1);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |         assert_eq!(h((ctx)), 2);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:310:22
[INFO] [stderr]     |
[INFO] [stderr] 310 |         assert_eq!(h((ctx)), 3);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:317:22
[INFO] [stderr]     |
[INFO] [stderr] 317 |         assert_eq!(h((ctx)), 4);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:324:22
[INFO] [stderr]     |
[INFO] [stderr] 324 |         assert_eq!(h((ctx)), 4);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:331:22
[INFO] [stderr]     |
[INFO] [stderr] 331 |         assert_eq!(h((ctx)), 5);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/resource.rs:338:22
[INFO] [stderr]     |
[INFO] [stderr] 338 |         assert_eq!(h((ctx)), 6);
[INFO] [stderr]     |                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `"docker" "inspect" "0cf4fc1090426d10cdf23567d6b58c176d0c482360c701f68ab937bf2cfee708"`
[INFO] running `"docker" "rm" "-f" "0cf4fc1090426d10cdf23567d6b58c176d0c482360c701f68ab937bf2cfee708"`
[INFO] [stdout] 0cf4fc1090426d10cdf23567d6b58c176d0c482360c701f68ab937bf2cfee708