Dec 07 06:42:05.081 INFO testing mutator-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 06:42:05.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06:42:05.438 INFO [stdout] f06d881354e09402fbb2e975ff40a0c26e76917b5e10aae33fa2181824ef3518
Dec 07 06:42:05.443 INFO running `"docker" "start" "-a" "f06d881354e09402fbb2e975ff40a0c26e76917b5e10aae33fa2181824ef3518"`
Dec 07 06:42:06.276 INFO [stderr] usermod: no changes
Dec 07 06:42:06.328 INFO [stderr]    Compiling mutator v0.1.0 (/source)
Dec 07 06:42:06.888 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 07 06:42:06.888 INFO [stderr] su: No module specific data is present
Dec 07 06:42:07.353 INFO running `"docker" "inspect" "f06d881354e09402fbb2e975ff40a0c26e76917b5e10aae33fa2181824ef3518"`
Dec 07 06:42:07.640 INFO running `"docker" "rm" "-f" "f06d881354e09402fbb2e975ff40a0c26e76917b5e10aae33fa2181824ef3518"`
Dec 07 06:42:08.012 INFO [stdout] f06d881354e09402fbb2e975ff40a0c26e76917b5e10aae33fa2181824ef3518
Dec 07 06:42:08.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06:42:08.440 INFO [stdout] 6c52a00378360d0c4edb800a0bdcd25e72016b1f3e2308093eca6ba0869c69f7
Dec 07 06:42:08.442 INFO running `"docker" "start" "-a" "6c52a00378360d0c4edb800a0bdcd25e72016b1f3e2308093eca6ba0869c69f7"`
Dec 07 06:42:09.670 INFO [stderr] usermod: no changes
Dec 07 06:42:09.718 INFO [stderr]    Compiling mutator v0.1.0 (/source)
Dec 07 06:42:10.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 07 06:42:10.597 INFO [stderr] su: No module specific data is present
Dec 07 06:42:11.106 INFO running `"docker" "inspect" "6c52a00378360d0c4edb800a0bdcd25e72016b1f3e2308093eca6ba0869c69f7"`
Dec 07 06:42:11.404 INFO running `"docker" "rm" "-f" "6c52a00378360d0c4edb800a0bdcd25e72016b1f3e2308093eca6ba0869c69f7"`
Dec 07 06:42:11.808 INFO [stdout] 6c52a00378360d0c4edb800a0bdcd25e72016b1f3e2308093eca6ba0869c69f7
Dec 07 06:42:11.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06:42:12.280 INFO [stdout] 49cf898c99d88f4e448e352a0077d8caaf2d307adceb66d9a97ab5bf7add45e2
Dec 07 06:42:12.284 INFO running `"docker" "start" "-a" "49cf898c99d88f4e448e352a0077d8caaf2d307adceb66d9a97ab5bf7add45e2"`
Dec 07 06:42:13.387 INFO [stderr] usermod: no changes
Dec 07 06:42:13.429 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 06:42:13.437 INFO [stderr]      Running /target/debug/deps/mutator-708c96670e0ce7e2
Dec 07 06:42:13.440 INFO [stdout] 
Dec 07 06:42:13.440 INFO [stdout] running 0 tests
Dec 07 06:42:13.440 INFO [stdout] 
Dec 07 06:42:13.440 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 06:42:13.440 INFO [stdout] 
Dec 07 06:42:13.444 INFO [stderr]    Doc-tests mutator
Dec 07 06:42:14.291 INFO [stdout] 
Dec 07 06:42:14.291 INFO [stdout] running 1 test
Dec 07 06:42:15.222 INFO [stdout] test src/lib.rs -  (line 9) ... ok
Dec 07 06:42:15.223 INFO [stdout] 
Dec 07 06:42:15.223 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 06:42:15.223 INFO [stdout] 
Dec 07 06:42:15.236 INFO [stderr] su: No module specific data is present
Dec 07 06:42:15.673 INFO running `"docker" "inspect" "49cf898c99d88f4e448e352a0077d8caaf2d307adceb66d9a97ab5bf7add45e2"`
Dec 07 06:42:15.909 INFO running `"docker" "rm" "-f" "49cf898c99d88f4e448e352a0077d8caaf2d307adceb66d9a97ab5bf7add45e2"`
Dec 07 06:42:16.118 INFO [stdout] 49cf898c99d88f4e448e352a0077d8caaf2d307adceb66d9a97ab5bf7add45e2