Dec 05 11:14:27.057 INFO checking lambda_calculus-2.2.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:14:27.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 11:14:27.541 INFO [stdout] 668142a1ee3d3cb71efc5ab11b35ecc66ef971661c9d179bf5f837821ce77acf
Dec 05 11:14:27.547 INFO running `"docker" "start" "-a" "668142a1ee3d3cb71efc5ab11b35ecc66ef971661c9d179bf5f837821ce77acf"`
Dec 05 11:14:28.519 INFO [stderr] usermod: no changes
Dec 05 11:14:28.599 INFO [stderr]     Checking lambda_calculus v2.2.0 (/source)
Dec 05 11:14:31.435 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:31.435 INFO [stderr]  --> tests/reduction.rs:1:1
Dec 05 11:14:31.435 INFO [stderr]   |
Dec 05 11:14:31.435 INFO [stderr] 1 | #[macro_use]
Dec 05 11:14:31.435 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:31.435 INFO [stderr]   |
Dec 05 11:14:31.435 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:31.435 INFO [stderr] 
Dec 05 11:14:31.655 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:31.655 INFO [stderr]  --> tests/num.rs:3:1
Dec 05 11:14:31.655 INFO [stderr]   |
Dec 05 11:14:31.655 INFO [stderr] 3 | #[macro_use]
Dec 05 11:14:31.655 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:31.655 INFO [stderr]   |
Dec 05 11:14:31.655 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:31.655 INFO [stderr] 
Dec 05 11:14:33.301 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:33.301 INFO [stderr]  --> benches/pair_list.rs:6:1
Dec 05 11:14:33.301 INFO [stderr]   |
Dec 05 11:14:33.301 INFO [stderr] 6 | #[macro_use]
Dec 05 11:14:33.301 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:33.301 INFO [stderr]   |
Dec 05 11:14:33.311 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:33.312 INFO [stderr] 
Dec 05 11:14:33.453 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:33.453 INFO [stderr]  --> benches/num.rs:6:1
Dec 05 11:14:33.453 INFO [stderr]   |
Dec 05 11:14:33.453 INFO [stderr] 6 | #[macro_use]
Dec 05 11:14:33.453 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:33.453 INFO [stderr]   |
Dec 05 11:14:33.453 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:33.453 INFO [stderr] 
Dec 05 11:14:33.983 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:33.983 INFO [stderr]  --> benches/option.rs:6:1
Dec 05 11:14:33.983 INFO [stderr]   |
Dec 05 11:14:33.983 INFO [stderr] 6 | #[macro_use]
Dec 05 11:14:33.984 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:33.984 INFO [stderr]   |
Dec 05 11:14:33.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:33.984 INFO [stderr] 
Dec 05 11:14:34.527 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:34.527 INFO [stderr]  --> benches/lists.rs:6:1
Dec 05 11:14:34.527 INFO [stderr]   |
Dec 05 11:14:34.527 INFO [stderr] 6 | #[macro_use]
Dec 05 11:14:34.527 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:34.529 INFO [stderr]   |
Dec 05 11:14:34.529 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:34.529 INFO [stderr] 
Dec 05 11:14:34.982 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:14:34.982 INFO [stderr]  --> tests/signed.rs:3:1
Dec 05 11:14:34.982 INFO [stderr]   |
Dec 05 11:14:34.982 INFO [stderr] 3 | #[macro_use]
Dec 05 11:14:34.982 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:14:34.982 INFO [stderr]   |
Dec 05 11:14:34.982 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:14:34.982 INFO [stderr] 
Dec 05 11:14:35.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
Dec 05 11:14:35.421 INFO [stderr] su: No module specific data is present
Dec 05 11:14:36.248 INFO running `"docker" "inspect" "668142a1ee3d3cb71efc5ab11b35ecc66ef971661c9d179bf5f837821ce77acf"`
Dec 05 11:14:36.487 INFO running `"docker" "rm" "-f" "668142a1ee3d3cb71efc5ab11b35ecc66ef971661c9d179bf5f837821ce77acf"`
Dec 05 11:14:36.735 INFO [stdout] 668142a1ee3d3cb71efc5ab11b35ecc66ef971661c9d179bf5f837821ce77acf