[INFO] updating cached repository jzw2/rust-data-structures [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jzw2/rust-data-structures [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jzw2/rust-data-structures" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jzw2/rust-data-structures"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jzw2/rust-data-structures'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jzw2/rust-data-structures" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jzw2/rust-data-structures"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jzw2/rust-data-structures'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6298f3c9b2a86861399b2f38c1dbf56a01acaeb1 [INFO] sha for GitHub repo jzw2/rust-data-structures: 6298f3c9b2a86861399b2f38c1dbf56a01acaeb1 [INFO] validating manifest of jzw2/rust-data-structures 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 jzw2/rust-data-structures 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 jzw2/rust-data-structures [INFO] finished frobbing jzw2/rust-data-structures [INFO] frobbed toml for jzw2/rust-data-structures written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jzw2/rust-data-structures/Cargo.toml [INFO] started frobbing jzw2/rust-data-structures [INFO] finished frobbing jzw2/rust-data-structures [INFO] frobbed toml for jzw2/rust-data-structures written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jzw2/rust-data-structures/Cargo.toml [INFO] crate jzw2/rust-data-structures already has a lockfile, it will not be regenerated [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 jzw2/rust-data-structures 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/gh/jzw2/rust-data-structures:/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] 7a1b8c7a20a5dc58d6c861bffde1c7244ea8b6e890f1cb17e3a29839f623cb5a [INFO] running `"docker" "start" "-a" "7a1b8c7a20a5dc58d6c861bffde1c7244ea8b6e890f1cb17e3a29839f623cb5a"` [INFO] [stderr] Checking rust-datastructures v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | fn find(&self, key: usize) -> Option<&T> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:75:26 [INFO] [stderr] | [INFO] [stderr] 75 | fn delete(&mut self, key: usize) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `data` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | data: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `root` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | root: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `key` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | key: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `left` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | left: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `right` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | right: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fn new() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn find(&self, key: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn insert(&mut self, key: usize, value: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `delete` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn delete(&mut self, key: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | fn find(&self, key: usize) -> Option<&T> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:75:26 [INFO] [stderr] | [INFO] [stderr] 75 | fn delete(&mut self, key: usize) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `data` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | data: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `root` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | root: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `key` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | key: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `left` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | left: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `right` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | right: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fn new() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn find(&self, key: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn insert(&mut self, key: usize, value: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `delete` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn delete(&mut self, key: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `"docker" "inspect" "7a1b8c7a20a5dc58d6c861bffde1c7244ea8b6e890f1cb17e3a29839f623cb5a"` [INFO] running `"docker" "rm" "-f" "7a1b8c7a20a5dc58d6c861bffde1c7244ea8b6e890f1cb17e3a29839f623cb5a"` [INFO] [stdout] 7a1b8c7a20a5dc58d6c861bffde1c7244ea8b6e890f1cb17e3a29839f623cb5a