[INFO] crate caesarcy 0.1.1 is already in cache [INFO] extracting crate caesarcy 0.1.1 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/caesarcy/0.1.1 [INFO] extracting crate caesarcy 0.1.1 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/caesarcy/0.1.1 [INFO] validating manifest of caesarcy-0.1.1 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of caesarcy-0.1.1 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/caesarcy/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking caesarcy-0.1.1 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ec1c3af7ea5546496aae6810cfc9a282166da7521fbc4fb004475fe5af98e702 [INFO] running `"docker" "start" "-a" "ec1c3af7ea5546496aae6810cfc9a282166da7521fbc4fb004475fe5af98e702"` [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 0.90s [INFO] running `"docker" "inspect" "ec1c3af7ea5546496aae6810cfc9a282166da7521fbc4fb004475fe5af98e702"` [INFO] running `"docker" "rm" "-f" "ec1c3af7ea5546496aae6810cfc9a282166da7521fbc4fb004475fe5af98e702"` [INFO] [stdout] ec1c3af7ea5546496aae6810cfc9a282166da7521fbc4fb004475fe5af98e702