Dec 14 19:42:08.302 INFO testing singleton-0.2.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 19:42:08.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:42:08.539 INFO [stdout] 560f40343e01dc770529221795ad85a419f3ce0e96261c0a987a97552f0454cc
Dec 14 19:42:08.541 INFO running `"docker" "start" "-a" "560f40343e01dc770529221795ad85a419f3ce0e96261c0a987a97552f0454cc"`
Dec 14 19:42:09.062 INFO [stderr] usermod: no changes
Dec 14 19:42:09.086 INFO [stderr]    Compiling singleton v0.2.2 (/source)
Dec 14 19:42:10.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 14 19:42:10.266 INFO [stderr] su: No module specific data is present
Dec 14 19:42:10.526 INFO running `"docker" "inspect" "560f40343e01dc770529221795ad85a419f3ce0e96261c0a987a97552f0454cc"`
Dec 14 19:42:10.621 INFO running `"docker" "rm" "-f" "560f40343e01dc770529221795ad85a419f3ce0e96261c0a987a97552f0454cc"`
Dec 14 19:42:10.719 INFO [stdout] 560f40343e01dc770529221795ad85a419f3ce0e96261c0a987a97552f0454cc
Dec 14 19:42:10.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:42:10.939 INFO [stdout] be7ff7d775d7b82c0fd4f25cf5ab46cdfa0e220a2111fec0f3db86b8456e29b1
Dec 14 19:42:10.944 INFO running `"docker" "start" "-a" "be7ff7d775d7b82c0fd4f25cf5ab46cdfa0e220a2111fec0f3db86b8456e29b1"`
Dec 14 19:42:11.343 INFO [stderr] usermod: no changes
Dec 14 19:42:11.372 INFO [stderr]    Compiling singleton v0.2.2 (/source)
Dec 14 19:42:12.395 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 14 19:42:12.395 INFO [stderr] su: No module specific data is present
Dec 14 19:42:12.657 INFO running `"docker" "inspect" "be7ff7d775d7b82c0fd4f25cf5ab46cdfa0e220a2111fec0f3db86b8456e29b1"`
Dec 14 19:42:12.717 INFO running `"docker" "rm" "-f" "be7ff7d775d7b82c0fd4f25cf5ab46cdfa0e220a2111fec0f3db86b8456e29b1"`
Dec 14 19:42:12.803 INFO [stdout] be7ff7d775d7b82c0fd4f25cf5ab46cdfa0e220a2111fec0f3db86b8456e29b1
Dec 14 19:42:12.808 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:42:13.004 INFO [stdout] d82aa843a33d5c28a0070b5a4e419d6fe57e6f63c9c3c33a3fc0aad00da9f3db
Dec 14 19:42:13.006 INFO running `"docker" "start" "-a" "d82aa843a33d5c28a0070b5a4e419d6fe57e6f63c9c3c33a3fc0aad00da9f3db"`
Dec 14 19:42:13.668 INFO [stderr] usermod: no changes
Dec 14 19:42:13.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 19:42:13.706 INFO [stderr]      Running /target/debug/deps/singleton-be159402e186c032
Dec 14 19:42:13.707 INFO [stdout] 
Dec 14 19:42:13.707 INFO [stdout] running 1 test
Dec 14 19:42:13.708 INFO [stdout] test singleton::tests::it_works ... ok
Dec 14 19:42:13.708 INFO [stdout] 
Dec 14 19:42:13.708 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:42:13.708 INFO [stdout] 
Dec 14 19:42:13.708 INFO [stderr]      Running /target/debug/deps/trial-439729efeec5d630
Dec 14 19:42:13.724 INFO [stdout] 
Dec 14 19:42:13.724 INFO [stdout] running 0 tests
Dec 14 19:42:13.724 INFO [stdout] 
Dec 14 19:42:13.724 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:42:13.724 INFO [stdout] 
Dec 14 19:42:13.731 INFO [stderr]    Doc-tests singleton
Dec 14 19:42:14.443 INFO [stdout] 
Dec 14 19:42:14.443 INFO [stdout] running 0 tests
Dec 14 19:42:14.443 INFO [stdout] 
Dec 14 19:42:14.443 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:42:14.443 INFO [stdout] 
Dec 14 19:42:14.451 INFO [stderr] su: No module specific data is present
Dec 14 19:42:14.729 INFO running `"docker" "inspect" "d82aa843a33d5c28a0070b5a4e419d6fe57e6f63c9c3c33a3fc0aad00da9f3db"`
Dec 14 19:42:14.806 INFO running `"docker" "rm" "-f" "d82aa843a33d5c28a0070b5a4e419d6fe57e6f63c9c3c33a3fc0aad00da9f3db"`
Dec 14 19:42:14.912 INFO [stdout] d82aa843a33d5c28a0070b5a4e419d6fe57e6f63c9c3c33a3fc0aad00da9f3db