Dec 05 11:48:21.900 INFO checking immutable-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:48:21.900 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 11:48:22.208 INFO [stdout] f6fd2487b2031c4cc94f6e868bd9222e691fd6e874ebca6c982fa93cf68ba800
Dec 05 11:48:22.208 INFO running `"docker" "start" "-a" "f6fd2487b2031c4cc94f6e868bd9222e691fd6e874ebca6c982fa93cf68ba800"`
Dec 05 11:48:22.931 INFO [stderr] usermod: no changes
Dec 05 11:48:22.984 INFO [stderr]     Checking immutable v0.1.1 (/source)
Dec 05 11:48:23.459 INFO [stderr] warning: unused import: `std::vec::IntoIter`
Dec 05 11:48:23.459 INFO [stderr]  --> src/list.rs:7:5
Dec 05 11:48:23.459 INFO [stderr]   |
Dec 05 11:48:23.459 INFO [stderr] 7 | use std::vec::IntoIter;
Dec 05 11:48:23.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 11:48:23.459 INFO [stderr]   |
Dec 05 11:48:23.459 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:48:23.459 INFO [stderr] 
Dec 05 11:48:23.629 INFO [stderr] warning: unused attribute
Dec 05 11:48:23.629 INFO [stderr]  --> src/list.rs:9:1
Dec 05 11:48:23.629 INFO [stderr]   |
Dec 05 11:48:23.629 INFO [stderr] 9 | #[macro_escape]
Dec 05 11:48:23.629 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 05 11:48:23.629 INFO [stderr]   |
Dec 05 11:48:23.629 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 11:48:23.629 INFO [stderr] 
Dec 05 11:48:23.629 INFO [stderr] warning: unused attribute
Dec 05 11:48:23.629 INFO [stderr]   --> src/tree/binary_tree.rs:11:1
Dec 05 11:48:23.629 INFO [stderr]    |
Dec 05 11:48:23.629 INFO [stderr] 11 | #[macro_escape]
Dec 05 11:48:23.629 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 11:48:23.629 INFO [stderr] 
Dec 05 11:48:23.643 INFO [stderr] warning: unused import: `std::vec::IntoIter`
Dec 05 11:48:23.643 INFO [stderr]  --> src/list.rs:7:5
Dec 05 11:48:23.643 INFO [stderr]   |
Dec 05 11:48:23.643 INFO [stderr] 7 | use std::vec::IntoIter;
Dec 05 11:48:23.643 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 11:48:23.643 INFO [stderr]   |
Dec 05 11:48:23.643 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:48:23.643 INFO [stderr] 
Dec 05 11:48:23.856 INFO [stderr] warning: unused attribute
Dec 05 11:48:23.856 INFO [stderr]  --> src/list.rs:9:1
Dec 05 11:48:23.856 INFO [stderr]   |
Dec 05 11:48:23.856 INFO [stderr] 9 | #[macro_escape]
Dec 05 11:48:23.856 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 05 11:48:23.856 INFO [stderr]   |
Dec 05 11:48:23.856 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 11:48:23.856 INFO [stderr] 
Dec 05 11:48:23.856 INFO [stderr] warning: unused attribute
Dec 05 11:48:23.856 INFO [stderr]   --> src/tree/binary_tree.rs:11:1
Dec 05 11:48:23.856 INFO [stderr]    |
Dec 05 11:48:23.856 INFO [stderr] 11 | #[macro_escape]
Dec 05 11:48:23.856 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 11:48:23.856 INFO [stderr] 
Dec 05 11:48:23.870 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 05 11:48:23.871 INFO [stderr] su: No module specific data is present
Dec 05 11:48:24.299 INFO running `"docker" "inspect" "f6fd2487b2031c4cc94f6e868bd9222e691fd6e874ebca6c982fa93cf68ba800"`
Dec 05 11:48:24.427 INFO running `"docker" "rm" "-f" "f6fd2487b2031c4cc94f6e868bd9222e691fd6e874ebca6c982fa93cf68ba800"`
Dec 05 11:48:24.522 INFO [stdout] f6fd2487b2031c4cc94f6e868bd9222e691fd6e874ebca6c982fa93cf68ba800