[INFO] updating cached repository KeyboardFire/xkcd1537-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/KeyboardFire/xkcd1537-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/KeyboardFire/xkcd1537-rust" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/KeyboardFire/xkcd1537-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/KeyboardFire/xkcd1537-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/KeyboardFire/xkcd1537-rust" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/KeyboardFire/xkcd1537-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/KeyboardFire/xkcd1537-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 54c82318d7c0ca798ced908cc6d76ce19d1f23e1 [INFO] sha for GitHub repo KeyboardFire/xkcd1537-rust: 54c82318d7c0ca798ced908cc6d76ce19d1f23e1 [INFO] validating manifest of KeyboardFire/xkcd1537-rust on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of KeyboardFire/xkcd1537-rust on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing KeyboardFire/xkcd1537-rust [INFO] finished frobbing KeyboardFire/xkcd1537-rust [INFO] frobbed toml for KeyboardFire/xkcd1537-rust written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/KeyboardFire/xkcd1537-rust/Cargo.toml [INFO] started frobbing KeyboardFire/xkcd1537-rust [INFO] finished frobbing KeyboardFire/xkcd1537-rust [INFO] frobbed toml for KeyboardFire/xkcd1537-rust written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/KeyboardFire/xkcd1537-rust/Cargo.toml [INFO] crate KeyboardFire/xkcd1537-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking KeyboardFire/xkcd1537-rust against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/KeyboardFire/xkcd1537-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2800ac5c9481115960360c99eb82f12fe90b8a4a2164bba7fcf6a38e16afa379 [INFO] running `"docker" "start" "-a" "2800ac5c9481115960360c99eb82f12fe90b8a4a2164bba7fcf6a38e16afa379"` [INFO] [stderr] Checking xkcd1537 v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:239:45 [INFO] [stderr] | [INFO] [stderr] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `XArray` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | XArray(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `exec_rpn` [INFO] [stderr] --> src/main.rs:227:1 [INFO] [stderr] | [INFO] [stderr] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:239:45 [INFO] [stderr] | [INFO] [stderr] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `XArray` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | XArray(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `exec_rpn` [INFO] [stderr] --> src/main.rs:227:1 [INFO] [stderr] | [INFO] [stderr] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `"docker" "inspect" "2800ac5c9481115960360c99eb82f12fe90b8a4a2164bba7fcf6a38e16afa379"` [INFO] running `"docker" "rm" "-f" "2800ac5c9481115960360c99eb82f12fe90b8a4a2164bba7fcf6a38e16afa379"` [INFO] [stdout] 2800ac5c9481115960360c99eb82f12fe90b8a4a2164bba7fcf6a38e16afa379