Nov 18 08:56:18.557 INFO testing immutable_arena-0.1.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 08:56:18.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 08:56:18.786 INFO [stdout] 33b232aab711c63c3828dcd8966a6751412f479c567fef5fbf41d53556804878
Nov 18 08:56:18.788 INFO running `"docker" "start" "-a" "33b232aab711c63c3828dcd8966a6751412f479c567fef5fbf41d53556804878"`
Nov 18 08:56:19.521 INFO [stderr] usermod: no changes
Nov 18 08:56:19.599 INFO [stderr]    Compiling immutable_arena v0.1.1 (/source)
Nov 18 08:56:20.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 18 08:56:20.183 INFO [stderr] su: No module specific data is present
Nov 18 08:56:20.653 INFO running `"docker" "inspect" "33b232aab711c63c3828dcd8966a6751412f479c567fef5fbf41d53556804878"`
Nov 18 08:56:20.901 INFO running `"docker" "rm" "-f" "33b232aab711c63c3828dcd8966a6751412f479c567fef5fbf41d53556804878"`
Nov 18 08:56:21.151 INFO [stdout] 33b232aab711c63c3828dcd8966a6751412f479c567fef5fbf41d53556804878
Nov 18 08:56:21.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 08:56:21.535 INFO [stdout] 2450544821e7170ac4a455399b70730c0c5f7b2625bad49d7c77b90b5a031343
Nov 18 08:56:21.541 INFO running `"docker" "start" "-a" "2450544821e7170ac4a455399b70730c0c5f7b2625bad49d7c77b90b5a031343"`
Nov 18 08:56:22.755 INFO [stderr] usermod: no changes
Nov 18 08:56:22.807 INFO [stderr]    Compiling immutable_arena v0.1.1 (/source)
Nov 18 08:56:24.191 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Nov 18 08:56:24.197 INFO [stderr] su: No module specific data is present
Nov 18 08:56:25.128 INFO running `"docker" "inspect" "2450544821e7170ac4a455399b70730c0c5f7b2625bad49d7c77b90b5a031343"`
Nov 18 08:56:25.403 INFO running `"docker" "rm" "-f" "2450544821e7170ac4a455399b70730c0c5f7b2625bad49d7c77b90b5a031343"`
Nov 18 08:56:25.659 INFO [stdout] 2450544821e7170ac4a455399b70730c0c5f7b2625bad49d7c77b90b5a031343
Nov 18 08:56:25.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 08:56:26.007 INFO [stdout] 98ddfdc1ac8edea6349f5525848120d4ab572b84156e857f642f64011c3ab08f
Nov 18 08:56:26.010 INFO running `"docker" "start" "-a" "98ddfdc1ac8edea6349f5525848120d4ab572b84156e857f642f64011c3ab08f"`
Nov 18 08:56:27.082 INFO [stderr] usermod: no changes
Nov 18 08:56:27.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 08:56:27.163 INFO [stderr]      Running /target/debug/deps/immutable_arena-5c760ad8c5cc32b5
Nov 18 08:56:27.167 INFO [stdout] 
Nov 18 08:56:27.167 INFO [stdout] running 2 tests
Nov 18 08:56:27.171 INFO [stdout] test test::basic_test ... ok
Nov 18 08:56:27.171 INFO [stdout] test test::ref_from_borrow_test ... ok
Nov 18 08:56:27.171 INFO [stdout] 
Nov 18 08:56:27.171 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 08:56:27.171 INFO [stdout] 
Nov 18 08:56:27.175 INFO [stderr]    Doc-tests immutable_arena
Nov 18 08:56:28.119 INFO [stdout] 
Nov 18 08:56:28.120 INFO [stdout] running 1 test
Nov 18 08:56:29.275 INFO [stdout] test src/lib.rs -  (line 14) ... ok
Nov 18 08:56:29.275 INFO [stdout] 
Nov 18 08:56:29.275 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 08:56:29.275 INFO [stdout] 
Nov 18 08:56:29.283 INFO [stderr] su: No module specific data is present
Nov 18 08:56:29.921 INFO running `"docker" "inspect" "98ddfdc1ac8edea6349f5525848120d4ab572b84156e857f642f64011c3ab08f"`
Nov 18 08:56:30.163 INFO running `"docker" "rm" "-f" "98ddfdc1ac8edea6349f5525848120d4ab572b84156e857f642f64011c3ab08f"`
Nov 18 08:56:30.336 INFO [stdout] 98ddfdc1ac8edea6349f5525848120d4ab572b84156e857f642f64011c3ab08f