Dec 14 19:31:29.875 INFO testing slog-json-2.3.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 19:31:29.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 19:31:30.155 INFO [stdout] a30e927bde1aa61928e3575d48ef063d6050eaad9d76f889acdbc73cbcdd0018
Dec 14 19:31:30.157 INFO running `"docker" "start" "-a" "a30e927bde1aa61928e3575d48ef063d6050eaad9d76f889acdbc73cbcdd0018"`
Dec 14 19:31:30.551 INFO [stderr] usermod: no changes
Dec 14 19:31:30.601 INFO [stderr]    Compiling slog-json v2.3.0 (/source)
Dec 14 19:31:31.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 14 19:31:31.692 INFO [stderr] su: No module specific data is present
Dec 14 19:31:32.075 INFO running `"docker" "inspect" "a30e927bde1aa61928e3575d48ef063d6050eaad9d76f889acdbc73cbcdd0018"`
Dec 14 19:31:32.256 INFO running `"docker" "rm" "-f" "a30e927bde1aa61928e3575d48ef063d6050eaad9d76f889acdbc73cbcdd0018"`
Dec 14 19:31:32.602 INFO [stdout] a30e927bde1aa61928e3575d48ef063d6050eaad9d76f889acdbc73cbcdd0018
Dec 14 19:31:32.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 19:31:33.084 INFO [stdout] c19be751f9f1a6118474dd6b74d61d1e20c39ed3024306775a26efd2e237f343
Dec 14 19:31:33.086 INFO running `"docker" "start" "-a" "c19be751f9f1a6118474dd6b74d61d1e20c39ed3024306775a26efd2e237f343"`
Dec 14 19:31:33.960 INFO [stderr] usermod: no changes
Dec 14 19:31:34.028 INFO [stderr]    Compiling slog-json v2.3.0 (/source)
Dec 14 19:31:37.414 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Dec 14 19:31:37.419 INFO [stderr] su: No module specific data is present
Dec 14 19:31:38.247 INFO running `"docker" "inspect" "c19be751f9f1a6118474dd6b74d61d1e20c39ed3024306775a26efd2e237f343"`
Dec 14 19:31:38.460 INFO running `"docker" "rm" "-f" "c19be751f9f1a6118474dd6b74d61d1e20c39ed3024306775a26efd2e237f343"`
Dec 14 19:31:38.781 INFO [stdout] c19be751f9f1a6118474dd6b74d61d1e20c39ed3024306775a26efd2e237f343
Dec 14 19:31:38.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 19:31:39.443 INFO [stdout] 519d402ccc8aafbc83c596885f42903b409d9239c88cbf00151b43da6ce4a1fe
Dec 14 19:31:39.445 INFO running `"docker" "start" "-a" "519d402ccc8aafbc83c596885f42903b409d9239c88cbf00151b43da6ce4a1fe"`
Dec 14 19:31:40.612 INFO [stderr] usermod: no changes
Dec 14 19:31:40.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 19:31:40.702 INFO [stderr]      Running /target/debug/deps/slog_json-57d5fd8c9fe5d14d
Dec 14 19:31:40.704 INFO [stdout] 
Dec 14 19:31:40.704 INFO [stdout] running 0 tests
Dec 14 19:31:40.704 INFO [stdout] 
Dec 14 19:31:40.704 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:31:40.704 INFO [stdout] 
Dec 14 19:31:40.704 INFO [stderr]    Doc-tests slog-json
Dec 14 19:31:42.051 INFO [stdout] 
Dec 14 19:31:42.051 INFO [stdout] running 1 test
Dec 14 19:31:44.355 INFO [stdout] test lib.rs -  (line 4) ... ok
Dec 14 19:31:44.355 INFO [stdout] 
Dec 14 19:31:44.355 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:31:44.355 INFO [stdout] 
Dec 14 19:31:44.368 INFO [stderr] su: No module specific data is present
Dec 14 19:31:44.900 INFO running `"docker" "inspect" "519d402ccc8aafbc83c596885f42903b409d9239c88cbf00151b43da6ce4a1fe"`
Dec 14 19:31:45.028 INFO running `"docker" "rm" "-f" "519d402ccc8aafbc83c596885f42903b409d9239c88cbf00151b43da6ce4a1fe"`
Dec 14 19:31:45.155 INFO [stdout] 519d402ccc8aafbc83c596885f42903b409d9239c88cbf00151b43da6ce4a1fe