Oct 12 14:17:36.566 INFO checking sbeckeriv/temp-dir against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:17:36.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 14:17:37.001 INFO blam! 9c957756004afa25309b5215aab133bdf61c3353107452aa77d0a5306febe5fb
Oct 12 14:17:37.020 INFO running `"docker" "start" "-a" "9c957756004afa25309b5215aab133bdf61c3353107452aa77d0a5306febe5fb"`
Oct 12 14:17:38.816 INFO kablam! usermod: no changes
Oct 12 14:17:38.864 INFO kablam!     Checking temp-dir v0.1.0 (/source)
Oct 12 14:17:39.256 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 14:17:39.256 INFO kablam!  --> src/main.rs:3:5
Oct 12 14:17:39.256 INFO kablam!   |
Oct 12 14:17:39.256 INFO kablam! 3 | use std::fs::File;
Oct 12 14:17:39.256 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 14:17:39.256 INFO kablam!   |
Oct 12 14:17:39.256 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:17:39.256 INFO kablam! 
Oct 12 14:17:39.256 INFO kablam! warning: unused import: `rank::Test`
Oct 12 14:17:39.256 INFO kablam!  --> src/main.rs:5:5
Oct 12 14:17:39.256 INFO kablam!   |
Oct 12 14:17:39.256 INFO kablam! 5 | use rank::Test;
Oct 12 14:17:39.256 INFO kablam!   |     ^^^^^^^^^^
Oct 12 14:17:39.256 INFO kablam! 
Oct 12 14:17:39.344 INFO kablam! warning: struct is never constructed: `Test`
Oct 12 14:17:39.344 INFO kablam!  --> src/rank.rs:1:1
Oct 12 14:17:39.344 INFO kablam!   |
Oct 12 14:17:39.344 INFO kablam! 1 | pub struct Test{
Oct 12 14:17:39.344 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 12 14:17:39.344 INFO kablam!   |
Oct 12 14:17:39.344 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 14:17:39.344 INFO kablam! 
Oct 12 14:17:39.432 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 14:17:39.432 INFO kablam!  --> src/main.rs:3:5
Oct 12 14:17:39.432 INFO kablam!   |
Oct 12 14:17:39.432 INFO kablam! 3 | use std::fs::File;
Oct 12 14:17:39.432 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 14:17:39.432 INFO kablam!   |
Oct 12 14:17:39.432 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:17:39.432 INFO kablam! 
Oct 12 14:17:39.432 INFO kablam! warning: unused import: `rank::Test`
Oct 12 14:17:39.432 INFO kablam!  --> src/main.rs:5:5
Oct 12 14:17:39.432 INFO kablam!   |
Oct 12 14:17:39.432 INFO kablam! 5 | use rank::Test;
Oct 12 14:17:39.432 INFO kablam!   |     ^^^^^^^^^^
Oct 12 14:17:39.432 INFO kablam! 
Oct 12 14:17:39.476 INFO kablam! warning: struct is never constructed: `Test`
Oct 12 14:17:39.476 INFO kablam!  --> src/rank.rs:1:1
Oct 12 14:17:39.476 INFO kablam!   |
Oct 12 14:17:39.476 INFO kablam! 1 | pub struct Test{
Oct 12 14:17:39.476 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 12 14:17:39.476 INFO kablam!   |
Oct 12 14:17:39.476 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 14:17:39.476 INFO kablam! 
Oct 12 14:17:39.505 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Oct 12 14:17:39.507 INFO kablam! su: No module specific data is present
Oct 12 14:17:40.364 INFO running `"docker" "rm" "-f" "9c957756004afa25309b5215aab133bdf61c3353107452aa77d0a5306febe5fb"`
Oct 12 14:17:40.574 INFO blam! 9c957756004afa25309b5215aab133bdf61c3353107452aa77d0a5306febe5fb