Dec 15 07:10:36.581 INFO testing json_logger-0.0.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 07:10:36.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 07:10:36.728 INFO [stdout] 9bd447fa8fef321e2486c803f25f584ca8a10a6c9da01b2f9e510b7aa67fb68f
Dec 15 07:10:36.731 INFO running `"docker" "start" "-a" "9bd447fa8fef321e2486c803f25f584ca8a10a6c9da01b2f9e510b7aa67fb68f"`
Dec 15 07:10:37.246 INFO [stderr] usermod: no changes
Dec 15 07:10:37.286 INFO [stderr]    Compiling json_logger v0.0.2 (/source)
Dec 15 07:10:38.033 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 15 07:10:38.036 INFO [stderr] su: No module specific data is present
Dec 15 07:10:38.303 INFO running `"docker" "inspect" "9bd447fa8fef321e2486c803f25f584ca8a10a6c9da01b2f9e510b7aa67fb68f"`
Dec 15 07:10:38.379 INFO running `"docker" "rm" "-f" "9bd447fa8fef321e2486c803f25f584ca8a10a6c9da01b2f9e510b7aa67fb68f"`
Dec 15 07:10:38.445 INFO [stdout] 9bd447fa8fef321e2486c803f25f584ca8a10a6c9da01b2f9e510b7aa67fb68f
Dec 15 07:10:38.448 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 07:10:38.675 INFO [stdout] a8cf3f446dff437064c10342f326798e88a38e77934c6de7a39ebb4254bc3c91
Dec 15 07:10:38.677 INFO running `"docker" "start" "-a" "a8cf3f446dff437064c10342f326798e88a38e77934c6de7a39ebb4254bc3c91"`
Dec 15 07:10:39.186 INFO [stderr] usermod: no changes
Dec 15 07:10:39.229 INFO [stderr]    Compiling json_logger v0.0.2 (/source)
Dec 15 07:10:40.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 15 07:10:40.115 INFO [stderr] su: No module specific data is present
Dec 15 07:10:40.420 INFO running `"docker" "inspect" "a8cf3f446dff437064c10342f326798e88a38e77934c6de7a39ebb4254bc3c91"`
Dec 15 07:10:40.497 INFO running `"docker" "rm" "-f" "a8cf3f446dff437064c10342f326798e88a38e77934c6de7a39ebb4254bc3c91"`
Dec 15 07:10:40.574 INFO [stdout] a8cf3f446dff437064c10342f326798e88a38e77934c6de7a39ebb4254bc3c91
Dec 15 07:10:40.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 07:10:40.768 INFO [stdout] 21f5fbaa5f0f48427440d05d703d4b72c08c285c8cc16d387777923c182fa00f
Dec 15 07:10:40.770 INFO running `"docker" "start" "-a" "21f5fbaa5f0f48427440d05d703d4b72c08c285c8cc16d387777923c182fa00f"`
Dec 15 07:10:41.120 INFO [stderr] usermod: no changes
Dec 15 07:10:41.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 07:10:41.162 INFO [stderr]      Running /target/debug/deps/json_logger-25b9521282ade01e
Dec 15 07:10:41.163 INFO [stdout] 
Dec 15 07:10:41.163 INFO [stdout] running 0 tests
Dec 15 07:10:41.163 INFO [stdout] 
Dec 15 07:10:41.163 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 07:10:41.163 INFO [stdout] 
Dec 15 07:10:41.163 INFO [stderr]    Doc-tests json_logger
Dec 15 07:10:42.167 INFO [stdout] 
Dec 15 07:10:42.167 INFO [stdout] running 1 test
Dec 15 07:10:42.167 INFO [stdout] test src/lib.rs -  (line 7) ... ignored
Dec 15 07:10:42.167 INFO [stdout] 
Dec 15 07:10:42.167 INFO [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
Dec 15 07:10:42.167 INFO [stdout] 
Dec 15 07:10:42.176 INFO [stderr] su: No module specific data is present
Dec 15 07:10:42.529 INFO running `"docker" "inspect" "21f5fbaa5f0f48427440d05d703d4b72c08c285c8cc16d387777923c182fa00f"`
Dec 15 07:10:42.691 INFO running `"docker" "rm" "-f" "21f5fbaa5f0f48427440d05d703d4b72c08c285c8cc16d387777923c182fa00f"`
Dec 15 07:10:42.873 INFO [stdout] 21f5fbaa5f0f48427440d05d703d4b72c08c285c8cc16d387777923c182fa00f