Nov 30 20:54:08.488 INFO checking immutable-0.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 20:54:08.488 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 20:54:08.675 INFO [stdout] 1ece344a6c670f60eb6c74c881d84ab1cffb6ba983c760793eec9ccea7f63362 Nov 30 20:54:08.677 INFO running `"docker" "start" "-a" "1ece344a6c670f60eb6c74c881d84ab1cffb6ba983c760793eec9ccea7f63362"` Nov 30 20:54:09.688 INFO [stderr] usermod: no changes Nov 30 20:54:09.720 INFO [stderr] Checking immutable v0.1.1 (/source) Nov 30 20:54:10.184 INFO [stderr] warning: unused import: `std::vec::IntoIter` Nov 30 20:54:10.184 INFO [stderr] --> src/list.rs:7:5 Nov 30 20:54:10.184 INFO [stderr] | Nov 30 20:54:10.184 INFO [stderr] 7 | use std::vec::IntoIter; Nov 30 20:54:10.184 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 20:54:10.184 INFO [stderr] | Nov 30 20:54:10.184 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 20:54:10.184 INFO [stderr] Nov 30 20:54:10.332 INFO [stderr] warning: unused import: `std::vec::IntoIter` Nov 30 20:54:10.332 INFO [stderr] --> src/list.rs:7:5 Nov 30 20:54:10.332 INFO [stderr] | Nov 30 20:54:10.332 INFO [stderr] 7 | use std::vec::IntoIter; Nov 30 20:54:10.332 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 20:54:10.332 INFO [stderr] | Nov 30 20:54:10.332 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 20:54:10.332 INFO [stderr] Nov 30 20:54:10.364 INFO [stderr] warning: unused attribute Nov 30 20:54:10.364 INFO [stderr] --> src/list.rs:9:1 Nov 30 20:54:10.364 INFO [stderr] | Nov 30 20:54:10.364 INFO [stderr] 9 | #[macro_escape] Nov 30 20:54:10.364 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 20:54:10.364 INFO [stderr] | Nov 30 20:54:10.364 INFO [stderr] = note: #[warn(unused_attributes)] on by default Nov 30 20:54:10.364 INFO [stderr] Nov 30 20:54:10.364 INFO [stderr] warning: unused attribute Nov 30 20:54:10.364 INFO [stderr] --> src/tree/binary_tree.rs:11:1 Nov 30 20:54:10.364 INFO [stderr] | Nov 30 20:54:10.364 INFO [stderr] 11 | #[macro_escape] Nov 30 20:54:10.364 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 20:54:10.364 INFO [stderr] Nov 30 20:54:10.601 INFO [stderr] warning: unused attribute Nov 30 20:54:10.601 INFO [stderr] --> src/list.rs:9:1 Nov 30 20:54:10.601 INFO [stderr] | Nov 30 20:54:10.601 INFO [stderr] 9 | #[macro_escape] Nov 30 20:54:10.601 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 20:54:10.601 INFO [stderr] | Nov 30 20:54:10.601 INFO [stderr] = note: #[warn(unused_attributes)] on by default Nov 30 20:54:10.601 INFO [stderr] Nov 30 20:54:10.602 INFO [stderr] warning: unused attribute Nov 30 20:54:10.602 INFO [stderr] --> src/tree/binary_tree.rs:11:1 Nov 30 20:54:10.602 INFO [stderr] | Nov 30 20:54:10.603 INFO [stderr] 11 | #[macro_escape] Nov 30 20:54:10.603 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 20:54:10.603 INFO [stderr] Nov 30 20:54:10.619 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s Nov 30 20:54:10.621 INFO [stderr] su: No module specific data is present Nov 30 20:54:11.258 INFO running `"docker" "inspect" "1ece344a6c670f60eb6c74c881d84ab1cffb6ba983c760793eec9ccea7f63362"` Nov 30 20:54:11.391 INFO running `"docker" "rm" "-f" "1ece344a6c670f60eb6c74c881d84ab1cffb6ba983c760793eec9ccea7f63362"` Nov 30 20:54:11.539 INFO [stdout] 1ece344a6c670f60eb6c74c881d84ab1cffb6ba983c760793eec9ccea7f63362