Dec 07 10:19:17.590 INFO testing immutable_arena-0.1.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 10:19:17.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 10:19:17.791 INFO [stdout] 56ad2c047f55689cc1c7f9c342f1cc57669e14795c232184da755360de595d44
Dec 07 10:19:17.799 INFO running `"docker" "start" "-a" "56ad2c047f55689cc1c7f9c342f1cc57669e14795c232184da755360de595d44"`
Dec 07 10:19:18.288 INFO [stderr] usermod: no changes
Dec 07 10:19:18.322 INFO [stderr]    Compiling immutable_arena v0.1.1 (/source)
Dec 07 10:19:18.665 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 07 10:19:18.667 INFO [stderr] su: No module specific data is present
Dec 07 10:19:18.998 INFO running `"docker" "inspect" "56ad2c047f55689cc1c7f9c342f1cc57669e14795c232184da755360de595d44"`
Dec 07 10:19:19.136 INFO running `"docker" "rm" "-f" "56ad2c047f55689cc1c7f9c342f1cc57669e14795c232184da755360de595d44"`
Dec 07 10:19:19.236 INFO [stdout] 56ad2c047f55689cc1c7f9c342f1cc57669e14795c232184da755360de595d44
Dec 07 10:19:19.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 10:19:19.391 INFO [stdout] 3e2f9e18ab001cbb0ca8c90a35529422acdcd3d776bd2e84509118c500b50772
Dec 07 10:19:19.393 INFO running `"docker" "start" "-a" "3e2f9e18ab001cbb0ca8c90a35529422acdcd3d776bd2e84509118c500b50772"`
Dec 07 10:19:19.824 INFO [stderr] usermod: no changes
Dec 07 10:19:19.865 INFO [stderr]    Compiling immutable_arena v0.1.1 (/source)
Dec 07 10:19:20.730 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 07 10:19:20.732 INFO [stderr] su: No module specific data is present
Dec 07 10:19:20.993 INFO running `"docker" "inspect" "3e2f9e18ab001cbb0ca8c90a35529422acdcd3d776bd2e84509118c500b50772"`
Dec 07 10:19:21.084 INFO running `"docker" "rm" "-f" "3e2f9e18ab001cbb0ca8c90a35529422acdcd3d776bd2e84509118c500b50772"`
Dec 07 10:19:21.216 INFO [stdout] 3e2f9e18ab001cbb0ca8c90a35529422acdcd3d776bd2e84509118c500b50772
Dec 07 10:19:21.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 10:19:21.432 INFO [stdout] 0f0685be17fde3d028e66ae5192ab5c6f72ef446cc63c04b01db1447d6e4a4d7
Dec 07 10:19:21.434 INFO running `"docker" "start" "-a" "0f0685be17fde3d028e66ae5192ab5c6f72ef446cc63c04b01db1447d6e4a4d7"`
Dec 07 10:19:21.924 INFO [stderr] usermod: no changes
Dec 07 10:19:21.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 07 10:19:21.959 INFO [stderr]      Running /target/debug/deps/immutable_arena-f2198ef1535e2458
Dec 07 10:19:21.961 INFO [stdout] 
Dec 07 10:19:21.961 INFO [stdout] running 2 tests
Dec 07 10:19:21.961 INFO [stdout] test test::basic_test ... ok
Dec 07 10:19:21.964 INFO [stdout] test test::ref_from_borrow_test ... ok
Dec 07 10:19:21.964 INFO [stdout] 
Dec 07 10:19:21.964 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 10:19:21.964 INFO [stdout] 
Dec 07 10:19:21.964 INFO [stderr]    Doc-tests immutable_arena
Dec 07 10:19:22.583 INFO [stdout] 
Dec 07 10:19:22.584 INFO [stdout] running 1 test
Dec 07 10:19:23.344 INFO [stdout] test src/lib.rs -  (line 14) ... ok
Dec 07 10:19:23.344 INFO [stdout] 
Dec 07 10:19:23.344 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 10:19:23.344 INFO [stdout] 
Dec 07 10:19:23.360 INFO [stderr] su: No module specific data is present
Dec 07 10:19:23.948 INFO running `"docker" "inspect" "0f0685be17fde3d028e66ae5192ab5c6f72ef446cc63c04b01db1447d6e4a4d7"`
Dec 07 10:19:24.194 INFO running `"docker" "rm" "-f" "0f0685be17fde3d028e66ae5192ab5c6f72ef446cc63c04b01db1447d6e4a4d7"`
Dec 07 10:19:24.484 INFO [stdout] 0f0685be17fde3d028e66ae5192ab5c6f72ef446cc63c04b01db1447d6e4a4d7