Dec 18 14:58:34.532 INFO checking immutable-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:58:34.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/immutable/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:58:34.688 INFO [stdout] cb3dd58db927782513726a44cbfcbd4d7d5e45ac6fcf183d7135581ccde9e0b8
Dec 18 14:58:34.689 INFO running `"docker" "start" "-a" "cb3dd58db927782513726a44cbfcbd4d7d5e45ac6fcf183d7135581ccde9e0b8"`
Dec 18 14:58:35.203 INFO [stderr]     Checking immutable v0.1.1 (/opt/crater/workdir)
Dec 18 14:58:35.423 INFO [stderr] warning: unused import: `std::vec::IntoIter`
Dec 18 14:58:35.424 INFO [stderr]  --> src/list.rs:7:5
Dec 18 14:58:35.424 INFO [stderr]   |
Dec 18 14:58:35.424 INFO [stderr] 7 | use std::vec::IntoIter;
Dec 18 14:58:35.424 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 14:58:35.424 INFO [stderr]   |
Dec 18 14:58:35.424 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:58:35.424 INFO [stderr] 
Dec 18 14:58:35.481 INFO [stderr] warning: unused import: `std::vec::IntoIter`
Dec 18 14:58:35.488 INFO [stderr]  --> src/list.rs:7:5
Dec 18 14:58:35.488 INFO [stderr]   |
Dec 18 14:58:35.488 INFO [stderr] 7 | use std::vec::IntoIter;
Dec 18 14:58:35.488 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 14:58:35.488 INFO [stderr]   |
Dec 18 14:58:35.488 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:58:35.488 INFO [stderr] 
Dec 18 14:58:35.584 INFO [stderr] warning: unused attribute
Dec 18 14:58:35.584 INFO [stderr]  --> src/list.rs:9:1
Dec 18 14:58:35.584 INFO [stderr]   |
Dec 18 14:58:35.584 INFO [stderr] 9 | #[macro_escape]
Dec 18 14:58:35.584 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 18 14:58:35.584 INFO [stderr]   |
Dec 18 14:58:35.584 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 14:58:35.584 INFO [stderr] 
Dec 18 14:58:35.584 INFO [stderr] warning: unused attribute
Dec 18 14:58:35.584 INFO [stderr]   --> src/tree/binary_tree.rs:11:1
Dec 18 14:58:35.584 INFO [stderr]    |
Dec 18 14:58:35.584 INFO [stderr] 11 | #[macro_escape]
Dec 18 14:58:35.584 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 14:58:35.584 INFO [stderr] 
Dec 18 14:58:35.739 INFO [stderr] warning: unused attribute
Dec 18 14:58:35.739 INFO [stderr]  --> src/list.rs:9:1
Dec 18 14:58:35.739 INFO [stderr]   |
Dec 18 14:58:35.739 INFO [stderr] 9 | #[macro_escape]
Dec 18 14:58:35.739 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 18 14:58:35.739 INFO [stderr]   |
Dec 18 14:58:35.739 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 14:58:35.739 INFO [stderr] 
Dec 18 14:58:35.739 INFO [stderr] warning: unused attribute
Dec 18 14:58:35.739 INFO [stderr]   --> src/tree/binary_tree.rs:11:1
Dec 18 14:58:35.740 INFO [stderr]    |
Dec 18 14:58:35.740 INFO [stderr] 11 | #[macro_escape]
Dec 18 14:58:35.740 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 14:58:35.740 INFO [stderr] 
Dec 18 14:58:35.762 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 18 14:58:36.010 INFO running `"docker" "inspect" "cb3dd58db927782513726a44cbfcbd4d7d5e45ac6fcf183d7135581ccde9e0b8"`
Dec 18 14:58:36.113 INFO running `"docker" "rm" "-f" "cb3dd58db927782513726a44cbfcbd4d7d5e45ac6fcf183d7135581ccde9e0b8"`
Dec 18 14:58:36.200 INFO [stdout] cb3dd58db927782513726a44cbfcbd4d7d5e45ac6fcf183d7135581ccde9e0b8