Dec 05 08:30:34.137 INFO checking rax-0.1.5 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:30:34.137 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 08:30:34.589 INFO [stdout] 689c28a45f19fdd251e81e72ef9082b4a7fad57e03585eabd8175c03f6a0b12d
Dec 05 08:30:34.591 INFO running `"docker" "start" "-a" "689c28a45f19fdd251e81e72ef9082b4a7fad57e03585eabd8175c03f6a0b12d"`
Dec 05 08:30:35.871 INFO [stderr] usermod: no changes
Dec 05 08:30:35.971 INFO [stderr]    Compiling rax v0.1.5 (/source)
Dec 05 08:30:36.431 INFO [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
Dec 05 08:30:36.431 INFO [stderr]  --> build.rs:6:5
Dec 05 08:30:36.431 INFO [stderr]   |
Dec 05 08:30:36.431 INFO [stderr] 6 |     gcc::Build::new()
Dec 05 08:30:36.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 08:30:36.431 INFO [stderr]   |
Dec 05 08:30:36.431 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 08:30:36.431 INFO [stderr] 
Dec 05 08:30:36.431 INFO [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
Dec 05 08:30:36.431 INFO [stderr]  --> build.rs:6:5
Dec 05 08:30:36.431 INFO [stderr]   |
Dec 05 08:30:36.431 INFO [stderr] 6 |     gcc::Build::new()
Dec 05 08:30:36.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 08:30:36.431 INFO [stderr] 
Dec 05 08:30:38.091 INFO [stderr] warning: unused import: `Bencher`
Dec 05 08:30:38.091 INFO [stderr]     --> src/lib.rs:1969:16
Dec 05 08:30:38.091 INFO [stderr]      |
Dec 05 08:30:38.091 INFO [stderr] 1969 |     use test::{Bencher};
Dec 05 08:30:38.091 INFO [stderr]      |                ^^^^^^^
Dec 05 08:30:38.091 INFO [stderr]      |
Dec 05 08:30:38.091 INFO [stderr]      = note: #[warn(unused_imports)] on by default
Dec 05 08:30:38.091 INFO [stderr] 
Dec 05 08:30:39.259 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 08:30:39.259 INFO [stderr]   --> benches/bench.rs:19:9
Dec 05 08:30:39.259 INFO [stderr]    |
Dec 05 08:30:39.259 INFO [stderr] 19 |         r.insert_null(3);
Dec 05 08:30:39.259 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 05 08:30:39.259 INFO [stderr]    |
Dec 05 08:30:39.259 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 08:30:39.259 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 08:30:39.259 INFO [stderr] 
Dec 05 08:30:39.295 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
Dec 05 08:30:39.306 INFO [stderr] su: No module specific data is present
Dec 05 08:30:39.915 INFO running `"docker" "inspect" "689c28a45f19fdd251e81e72ef9082b4a7fad57e03585eabd8175c03f6a0b12d"`
Dec 05 08:30:40.155 INFO running `"docker" "rm" "-f" "689c28a45f19fdd251e81e72ef9082b4a7fad57e03585eabd8175c03f6a0b12d"`
Dec 05 08:30:40.487 INFO [stdout] 689c28a45f19fdd251e81e72ef9082b4a7fad57e03585eabd8175c03f6a0b12d