Nov 28 03:23:34.124 INFO checking jevankovich/rpncalc against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 03:23:34.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 28 03:23:34.512 INFO [stdout] aae99167bc41b575a09d2b84b3a8655f129e3471088c1422526f7a594d5e0bc7 Nov 28 03:23:34.522 INFO running `"docker" "start" "-a" "aae99167bc41b575a09d2b84b3a8655f129e3471088c1422526f7a594d5e0bc7"` Nov 28 03:23:35.853 INFO [stderr] usermod: no changes Nov 28 03:23:35.940 INFO [stderr] Checking rpncalc v0.1.0 (/source) Nov 28 03:23:36.433 INFO [stderr] warning: unused import: `std::collections::HashMap` Nov 28 03:23:36.433 INFO [stderr] --> src/main.rs:4:5 Nov 28 03:23:36.433 INFO [stderr] | Nov 28 03:23:36.434 INFO [stderr] 4 | use std::collections::HashMap; Nov 28 03:23:36.434 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 03:23:36.434 INFO [stderr] | Nov 28 03:23:36.434 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 03:23:36.435 INFO [stderr] Nov 28 03:23:36.435 INFO [stderr] warning: unused import: `std::rc::Rc` Nov 28 03:23:36.435 INFO [stderr] --> src/main.rs:5:5 Nov 28 03:23:36.435 INFO [stderr] | Nov 28 03:23:36.436 INFO [stderr] 5 | use std::rc::Rc; Nov 28 03:23:36.436 INFO [stderr] | ^^^^^^^^^^^ Nov 28 03:23:36.436 INFO [stderr] Nov 28 03:23:36.477 INFO [stderr] warning: unused variable: `err` Nov 28 03:23:36.477 INFO [stderr] --> src/main.rs:45:17 Nov 28 03:23:36.477 INFO [stderr] | Nov 28 03:23:36.478 INFO [stderr] 45 | Err(err) => println!("Unknown word: \"{}\"", word), Nov 28 03:23:36.478 INFO [stderr] | ^^^ help: consider using `_err` instead Nov 28 03:23:36.478 INFO [stderr] | Nov 28 03:23:36.478 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 03:23:36.479 INFO [stderr] Nov 28 03:23:36.505 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 03:23:36.505 INFO [stderr] --> src/main.rs:78:5 Nov 28 03:23:36.505 INFO [stderr] | Nov 28 03:23:36.505 INFO [stderr] 78 | stdout.flush(); Nov 28 03:23:36.506 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 28 03:23:36.506 INFO [stderr] | Nov 28 03:23:36.506 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 03:23:36.506 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 03:23:36.507 INFO [stderr] Nov 28 03:23:36.507 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 03:23:36.507 INFO [stderr] --> src/main.rs:87:9 Nov 28 03:23:36.507 INFO [stderr] | Nov 28 03:23:36.508 INFO [stderr] 87 | stdout.flush(); Nov 28 03:23:36.508 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 28 03:23:36.508 INFO [stderr] | Nov 28 03:23:36.508 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 03:23:36.509 INFO [stderr] Nov 28 03:23:36.602 INFO [stderr] warning: unused import: `std::collections::HashMap` Nov 28 03:23:36.602 INFO [stderr] --> src/main.rs:4:5 Nov 28 03:23:36.602 INFO [stderr] | Nov 28 03:23:36.602 INFO [stderr] 4 | use std::collections::HashMap; Nov 28 03:23:36.602 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 03:23:36.602 INFO [stderr] | Nov 28 03:23:36.602 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 03:23:36.602 INFO [stderr] Nov 28 03:23:36.602 INFO [stderr] warning: unused import: `std::rc::Rc` Nov 28 03:23:36.602 INFO [stderr] --> src/main.rs:5:5 Nov 28 03:23:36.602 INFO [stderr] | Nov 28 03:23:36.602 INFO [stderr] 5 | use std::rc::Rc; Nov 28 03:23:36.602 INFO [stderr] | ^^^^^^^^^^^ Nov 28 03:23:36.602 INFO [stderr] Nov 28 03:23:36.624 INFO [stderr] warning: unused variable: `err` Nov 28 03:23:36.624 INFO [stderr] --> src/main.rs:45:17 Nov 28 03:23:36.624 INFO [stderr] | Nov 28 03:23:36.624 INFO [stderr] 45 | Err(err) => println!("Unknown word: \"{}\"", word), Nov 28 03:23:36.624 INFO [stderr] | ^^^ help: consider using `_err` instead Nov 28 03:23:36.624 INFO [stderr] | Nov 28 03:23:36.624 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 03:23:36.624 INFO [stderr] Nov 28 03:23:36.645 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 03:23:36.645 INFO [stderr] --> src/main.rs:78:5 Nov 28 03:23:36.645 INFO [stderr] | Nov 28 03:23:36.645 INFO [stderr] 78 | stdout.flush(); Nov 28 03:23:36.645 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 28 03:23:36.645 INFO [stderr] | Nov 28 03:23:36.646 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 03:23:36.646 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 03:23:36.646 INFO [stderr] Nov 28 03:23:36.646 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 03:23:36.646 INFO [stderr] --> src/main.rs:87:9 Nov 28 03:23:36.646 INFO [stderr] | Nov 28 03:23:36.646 INFO [stderr] 87 | stdout.flush(); Nov 28 03:23:36.647 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 28 03:23:36.647 INFO [stderr] | Nov 28 03:23:36.647 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 03:23:36.647 INFO [stderr] Nov 28 03:23:36.672 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s Nov 28 03:23:36.673 INFO [stderr] su: No module specific data is present Nov 28 03:23:37.256 INFO running `"docker" "inspect" "aae99167bc41b575a09d2b84b3a8655f129e3471088c1422526f7a594d5e0bc7"` Nov 28 03:23:37.428 INFO running `"docker" "rm" "-f" "aae99167bc41b575a09d2b84b3a8655f129e3471088c1422526f7a594d5e0bc7"` Nov 28 03:23:37.648 INFO [stdout] aae99167bc41b575a09d2b84b3a8655f129e3471088c1422526f7a594d5e0bc7