[INFO] crate caesarcy 0.1.1 is already in cache [INFO] extracting crate caesarcy 0.1.1 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/caesarcy/0.1.1 [INFO] extracting crate caesarcy 0.1.1 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/caesarcy/0.1.1 [INFO] validating manifest of caesarcy-0.1.1 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of caesarcy-0.1.1 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing caesarcy-0.1.1 [INFO] finished frobbing caesarcy-0.1.1 [INFO] frobbed toml for caesarcy-0.1.1 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/caesarcy/0.1.1/Cargo.toml [INFO] started frobbing caesarcy-0.1.1 [INFO] finished frobbing caesarcy-0.1.1 [INFO] frobbed toml for caesarcy-0.1.1 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/caesarcy/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking caesarcy-0.1.1 against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-2/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/caesarcy/0.1.1:/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f5926889b7121dc6e7d031066aaaba20ff914f3aaa9cd21b4d777fc460311afb [INFO] running `"docker" "start" "-a" "f5926889b7121dc6e7d031066aaaba20ff914f3aaa9cd21b4d777fc460311afb"` [INFO] [stderr] Checking caesarcy v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `new_seq` is never read [INFO] [stderr] --> src/lib.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | let mut new_seq = String::new(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | #[warn(unused_assignments)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_seq` is never read [INFO] [stderr] --> src/lib.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | let mut new_seq = String::new(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | #[warn(unused_assignments)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "f5926889b7121dc6e7d031066aaaba20ff914f3aaa9cd21b4d777fc460311afb"` [INFO] running `"docker" "rm" "-f" "f5926889b7121dc6e7d031066aaaba20ff914f3aaa9cd21b4d777fc460311afb"` [INFO] [stdout] f5926889b7121dc6e7d031066aaaba20ff914f3aaa9cd21b4d777fc460311afb