Dec 14 03:19:19.897 INFO testing alexcrichton/l4c against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 03:19:19.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 03:19:20.214 INFO [stdout] 8a4810f2fe2d5ee13846183e2119dbc2dcc3b0bb7ac15dfdd6904a68623ee23a
Dec 14 03:19:20.216 INFO running `"docker" "start" "-a" "8a4810f2fe2d5ee13846183e2119dbc2dcc3b0bb7ac15dfdd6904a68623ee23a"`
Dec 14 03:19:20.747 INFO [stderr] usermod: no changes
Dec 14 03:19:20.800 INFO [stderr]    Compiling log v0.4.5
Dec 14 03:19:21.605 INFO [stderr]    Compiling env_logger v0.5.13
Dec 14 03:19:22.685 INFO [stderr]    Compiling l4c v0.0.0 (/source)
Dec 14 03:19:25.124 INFO [stderr] warning: unused import: `Display`
Dec 14 03:19:25.127 INFO [stderr]  --> src/front/pp.rs:1:16
Dec 14 03:19:25.127 INFO [stderr]   |
Dec 14 03:19:25.130 INFO [stderr] 1 | use std::fmt::{Display, Write};
Dec 14 03:19:25.131 INFO [stderr]   |                ^^^^^^^
Dec 14 03:19:25.131 INFO [stderr]   |
Dec 14 03:19:25.131 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:19:25.131 INFO [stderr] 
Dec 14 03:19:44.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.07s
Dec 14 03:19:44.843 INFO [stderr] su: No module specific data is present
Dec 14 03:19:46.319 INFO running `"docker" "inspect" "8a4810f2fe2d5ee13846183e2119dbc2dcc3b0bb7ac15dfdd6904a68623ee23a"`
Dec 14 03:19:46.634 INFO running `"docker" "rm" "-f" "8a4810f2fe2d5ee13846183e2119dbc2dcc3b0bb7ac15dfdd6904a68623ee23a"`
Dec 14 03:19:46.919 INFO [stdout] 8a4810f2fe2d5ee13846183e2119dbc2dcc3b0bb7ac15dfdd6904a68623ee23a
Dec 14 03:19:46.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 03:19:47.464 INFO [stdout] bef27d5a51bae4b47d86a31ecabd8dac5e8d18d70642ed6058aedadd5496c0a3
Dec 14 03:19:47.466 INFO running `"docker" "start" "-a" "bef27d5a51bae4b47d86a31ecabd8dac5e8d18d70642ed6058aedadd5496c0a3"`
Dec 14 03:19:49.843 INFO [stderr] usermod: no changes
Dec 14 03:19:49.947 INFO [stderr]    Compiling l4c v0.0.0 (/source)
Dec 14 03:19:52.885 INFO [stderr] warning: unused import: `Display`
Dec 14 03:19:52.885 INFO [stderr]  --> src/front/pp.rs:1:16
Dec 14 03:19:52.885 INFO [stderr]   |
Dec 14 03:19:52.885 INFO [stderr] 1 | use std::fmt::{Display, Write};
Dec 14 03:19:52.886 INFO [stderr]   |                ^^^^^^^
Dec 14 03:19:52.886 INFO [stderr]   |
Dec 14 03:19:52.886 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:19:52.886 INFO [stderr] 
Dec 14 03:19:56.630 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
Dec 14 03:19:56.631 INFO [stderr] su: No module specific data is present
Dec 14 03:19:58.066 INFO running `"docker" "inspect" "bef27d5a51bae4b47d86a31ecabd8dac5e8d18d70642ed6058aedadd5496c0a3"`
Dec 14 03:19:58.384 INFO running `"docker" "rm" "-f" "bef27d5a51bae4b47d86a31ecabd8dac5e8d18d70642ed6058aedadd5496c0a3"`
Dec 14 03:19:58.662 INFO [stdout] bef27d5a51bae4b47d86a31ecabd8dac5e8d18d70642ed6058aedadd5496c0a3
Dec 14 03:19:58.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 03:19:59.201 INFO [stdout] 60d9372fe2c95d0c576b66316049295704e04da311299c06db09e56504f6c416
Dec 14 03:19:59.209 INFO running `"docker" "start" "-a" "60d9372fe2c95d0c576b66316049295704e04da311299c06db09e56504f6c416"`
Dec 14 03:20:00.533 INFO [stderr] usermod: no changes
Dec 14 03:20:00.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 03:20:00.631 INFO [stderr]      Running /target/debug/deps/l4c-3dcd236fc8fc9307
Dec 14 03:20:00.644 INFO [stdout] 
Dec 14 03:20:00.644 INFO [stdout] running 9 tests
Dec 14 03:20:00.655 INFO [stdout] test back::alloc::tests::test_resolve ... ok
Dec 14 03:20:00.655 INFO [stdout] test back::arch::test_stack_alignment ... ok
Dec 14 03:20:00.655 INFO [stdout] test middle::opt::arith::test_log2 ... ok
Dec 14 03:20:00.655 INFO [stdout] test back::spill::tests::test_sort_works2 ... ok
Dec 14 03:20:00.655 INFO [stdout] test back::spill::tests::test_sort_works1 ... ok
Dec 14 03:20:00.655 INFO [stdout] test middle::opt::arith::test_pow2 ... ok
Dec 14 03:20:00.655 INFO [stdout] test utils::graph::test_basic ... ok
Dec 14 03:20:00.760 INFO [stdout] test utils::graph::test_random_id_fail ... ok
Dec 14 03:20:00.760 INFO [stdout] test utils::graph::test_same_id_fail ... ok
Dec 14 03:20:00.760 INFO [stdout] 
Dec 14 03:20:00.760 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 03:20:00.760 INFO [stdout] 
Dec 14 03:20:00.764 INFO [stderr] su: No module specific data is present
Dec 14 03:20:01.496 INFO running `"docker" "inspect" "60d9372fe2c95d0c576b66316049295704e04da311299c06db09e56504f6c416"`
Dec 14 03:20:01.783 INFO running `"docker" "rm" "-f" "60d9372fe2c95d0c576b66316049295704e04da311299c06db09e56504f6c416"`
Dec 14 03:20:02.067 INFO [stdout] 60d9372fe2c95d0c576b66316049295704e04da311299c06db09e56504f6c416