Oct 13 10:17:03.228 INFO checking rax-0.1.5 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:17:03.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 13 10:17:03.812 INFO blam! f8c3c02625827abdf038f2ff85bcc9855e3c437ec611fe9a0062a7c90d62a132
Oct 13 10:17:03.813 INFO running `"docker" "start" "-a" "f8c3c02625827abdf038f2ff85bcc9855e3c437ec611fe9a0062a7c90d62a132"`
Oct 13 10:17:05.086 INFO kablam! usermod: no changes
Oct 13 10:17:05.187 INFO kablam!    Compiling rax v0.1.5 (/source)
Oct 13 10:17:05.880 INFO kablam! warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
Oct 13 10:17:05.880 INFO kablam!  --> build.rs:6:5
Oct 13 10:17:05.880 INFO kablam!   |
Oct 13 10:17:05.880 INFO kablam! 6 |     gcc::Build::new()
Oct 13 10:17:05.880 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 13 10:17:05.880 INFO kablam!   |
Oct 13 10:17:05.880 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 10:17:05.880 INFO kablam! 
Oct 13 10:17:05.880 INFO kablam! warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
Oct 13 10:17:05.880 INFO kablam!  --> build.rs:6:5
Oct 13 10:17:05.880 INFO kablam!   |
Oct 13 10:17:05.880 INFO kablam! 6 |     gcc::Build::new()
Oct 13 10:17:05.880 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 13 10:17:05.880 INFO kablam! 
Oct 13 10:17:08.392 INFO kablam! warning: unused import: `Bencher`
Oct 13 10:17:08.392 INFO kablam!     --> src/lib.rs:1969:16
Oct 13 10:17:08.392 INFO kablam!      |
Oct 13 10:17:08.392 INFO kablam! 1969 |     use test::{Bencher};
Oct 13 10:17:08.392 INFO kablam!      |                ^^^^^^^
Oct 13 10:17:08.392 INFO kablam!      |
Oct 13 10:17:08.393 INFO kablam!      = note: #[warn(unused_imports)] on by default
Oct 13 10:17:08.393 INFO kablam! 
Oct 13 10:17:10.264 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:17:10.265 INFO kablam!   --> benches/bench.rs:19:9
Oct 13 10:17:10.265 INFO kablam!    |
Oct 13 10:17:10.266 INFO kablam! 19 |         r.insert_null(3);
Oct 13 10:17:10.267 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Oct 13 10:17:10.267 INFO kablam!    |
Oct 13 10:17:10.268 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 10:17:10.269 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:17:10.269 INFO kablam! 
Oct 13 10:17:10.308 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
Oct 13 10:17:10.312 INFO kablam! su: No module specific data is present
Oct 13 10:17:11.917 INFO running `"docker" "rm" "-f" "f8c3c02625827abdf038f2ff85bcc9855e3c437ec611fe9a0062a7c90d62a132"`
Oct 13 10:17:12.339 INFO blam! f8c3c02625827abdf038f2ff85bcc9855e3c437ec611fe9a0062a7c90d62a132