[INFO] fetching crate shamir 1.0.2...
[INFO] extracting crate shamir 1.0.2 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shamir/1.0.2
[INFO] extracting crate shamir 1.0.2 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/shamir/1.0.2
[INFO] validating manifest of shamir-1.0.2 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shamir-1.0.2 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shamir-1.0.2
[INFO] finished frobbing shamir-1.0.2
[INFO] frobbed toml for shamir-1.0.2 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shamir/1.0.2/Cargo.toml
[INFO] started frobbing shamir-1.0.2
[INFO] finished frobbing shamir-1.0.2
[INFO] frobbed toml for shamir-1.0.2 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/shamir/1.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shamir-1.0.2 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shamir/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 852ff539b5c5039b75a0d4dd3e1542886f8089d70c22194574dc3cfb9e4ce46b
[INFO] running `"docker" "start" "-a" "852ff539b5c5039b75a0d4dd3e1542886f8089d70c22194574dc3cfb9e4ce46b"`
[INFO] [stderr]     Checking shamir v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::SecretData`
[INFO] [stderr]  --> src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use super::SecretData;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:279:33
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
[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/lib.rs:282:33
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:279:33
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
[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/lib.rs:282:33
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "852ff539b5c5039b75a0d4dd3e1542886f8089d70c22194574dc3cfb9e4ce46b"`
[INFO] running `"docker" "rm" "-f" "852ff539b5c5039b75a0d4dd3e1542886f8089d70c22194574dc3cfb9e4ce46b"`
[INFO] [stdout] 852ff539b5c5039b75a0d4dd3e1542886f8089d70c22194574dc3cfb9e4ce46b