Dec 07 09:53:29.849 INFO testing iron_json-1.0.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 09:53:29.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 09:53:30.040 INFO [stdout] 1df95cffb5b588eac3db28c89deacc255b15688aca7b06f345d96315e5d493d6
Dec 07 09:53:30.041 INFO running `"docker" "start" "-a" "1df95cffb5b588eac3db28c89deacc255b15688aca7b06f345d96315e5d493d6"`
Dec 07 09:53:30.436 INFO [stderr] usermod: no changes
Dec 07 09:53:30.460 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 09:53:30.523 INFO [stderr]    Compiling iron_json v1.0.0 (/source)
Dec 07 09:53:32.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 07 09:53:32.114 INFO [stderr] su: No module specific data is present
Dec 07 09:53:32.451 INFO running `"docker" "inspect" "1df95cffb5b588eac3db28c89deacc255b15688aca7b06f345d96315e5d493d6"`
Dec 07 09:53:32.524 INFO running `"docker" "rm" "-f" "1df95cffb5b588eac3db28c89deacc255b15688aca7b06f345d96315e5d493d6"`
Dec 07 09:53:32.611 INFO [stdout] 1df95cffb5b588eac3db28c89deacc255b15688aca7b06f345d96315e5d493d6
Dec 07 09:53:32.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 09:53:32.774 INFO [stdout] 6ccff8a08a55af1e9b9a65c5d54b3b91970afcbef204b748e22747dbdc107772
Dec 07 09:53:32.776 INFO running `"docker" "start" "-a" "6ccff8a08a55af1e9b9a65c5d54b3b91970afcbef204b748e22747dbdc107772"`
Dec 07 09:53:33.142 INFO [stderr] usermod: no changes
Dec 07 09:53:33.168 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 09:53:33.224 INFO [stderr]    Compiling iron_json v1.0.0 (/source)
Dec 07 09:53:34.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Dec 07 09:53:34.864 INFO [stderr] su: No module specific data is present
Dec 07 09:53:35.192 INFO running `"docker" "inspect" "6ccff8a08a55af1e9b9a65c5d54b3b91970afcbef204b748e22747dbdc107772"`
Dec 07 09:53:35.335 INFO running `"docker" "rm" "-f" "6ccff8a08a55af1e9b9a65c5d54b3b91970afcbef204b748e22747dbdc107772"`
Dec 07 09:53:35.460 INFO [stdout] 6ccff8a08a55af1e9b9a65c5d54b3b91970afcbef204b748e22747dbdc107772
Dec 07 09:53:35.462 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 09:53:35.767 INFO [stdout] 530aed495d879262f599dcf3e64ae22c2c3796cccf51ee4e4a3db73277e37eeb
Dec 07 09:53:35.769 INFO running `"docker" "start" "-a" "530aed495d879262f599dcf3e64ae22c2c3796cccf51ee4e4a3db73277e37eeb"`
Dec 07 09:53:36.341 INFO [stderr] usermod: no changes
Dec 07 09:53:36.362 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 09:53:36.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 07 09:53:36.410 INFO [stderr]      Running /target/debug/deps/iron_json-1e4a762751a4d958
Dec 07 09:53:36.411 INFO [stdout] 
Dec 07 09:53:36.411 INFO [stdout] running 0 tests
Dec 07 09:53:36.411 INFO [stdout] 
Dec 07 09:53:36.411 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 09:53:36.411 INFO [stdout] 
Dec 07 09:53:36.411 INFO [stderr]    Doc-tests iron_json
Dec 07 09:53:39.090 INFO [stdout] 
Dec 07 09:53:39.090 INFO [stdout] running 0 tests
Dec 07 09:53:39.090 INFO [stdout] 
Dec 07 09:53:39.090 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 09:53:39.090 INFO [stdout] 
Dec 07 09:53:39.098 INFO [stderr] su: No module specific data is present
Dec 07 09:53:39.377 INFO running `"docker" "inspect" "530aed495d879262f599dcf3e64ae22c2c3796cccf51ee4e4a3db73277e37eeb"`
Dec 07 09:53:39.450 INFO running `"docker" "rm" "-f" "530aed495d879262f599dcf3e64ae22c2c3796cccf51ee4e4a3db73277e37eeb"`
Dec 07 09:53:39.524 INFO [stdout] 530aed495d879262f599dcf3e64ae22c2c3796cccf51ee4e4a3db73277e37eeb