Dec 01 01:20:31.120 INFO checking breadboard-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 01:20:31.120 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 01 01:20:31.627 INFO [stdout] 4a0d2b6ae5620e06769aeb9b4052a613300eab440e8e8b25bd39d3f857e681a9
Dec 01 01:20:31.630 INFO running `"docker" "start" "-a" "4a0d2b6ae5620e06769aeb9b4052a613300eab440e8e8b25bd39d3f857e681a9"`
Dec 01 01:20:32.252 INFO [stderr] usermod: no changes
Dec 01 01:20:32.448 INFO [stderr]     Checking breadboard v0.1.0 (/source)
Dec 01 01:20:32.512 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 01 01:20:32.512 INFO [stderr]    --> src/lib.rs:259:25
Dec 01 01:20:32.512 INFO [stderr]     |
Dec 01 01:20:32.512 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 01 01:20:32.512 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 01 01:20:32.512 INFO [stderr]     |
Dec 01 01:20:32.512 INFO [stderr] note: lint level defined here
Dec 01 01:20:32.512 INFO [stderr]    --> src/lib.rs:130:5
Dec 01 01:20:32.512 INFO [stderr]     |
Dec 01 01:20:32.512 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 01 01:20:32.512 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:20:32.512 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 01 01:20:32.512 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Dec 01 01:20:32.512 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 01 01:20:32.512 INFO [stderr] 
Dec 01 01:20:32.548 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 01 01:20:32.548 INFO [stderr]    --> src/lib.rs:259:25
Dec 01 01:20:32.548 INFO [stderr]     |
Dec 01 01:20:32.548 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 01 01:20:32.548 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 01 01:20:32.548 INFO [stderr]     |
Dec 01 01:20:32.548 INFO [stderr] note: lint level defined here
Dec 01 01:20:32.548 INFO [stderr]    --> src/lib.rs:130:5
Dec 01 01:20:32.548 INFO [stderr]     |
Dec 01 01:20:32.548 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 01 01:20:32.548 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:20:32.548 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 01 01:20:32.548 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Dec 01 01:20:32.548 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 01 01:20:32.548 INFO [stderr] 
Dec 01 01:20:49.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.53s
Dec 01 01:20:49.849 INFO [stderr] su: No module specific data is present
Dec 01 01:20:50.851 INFO running `"docker" "inspect" "4a0d2b6ae5620e06769aeb9b4052a613300eab440e8e8b25bd39d3f857e681a9"`
Dec 01 01:20:51.114 INFO running `"docker" "rm" "-f" "4a0d2b6ae5620e06769aeb9b4052a613300eab440e8e8b25bd39d3f857e681a9"`
Dec 01 01:20:51.492 INFO [stdout] 4a0d2b6ae5620e06769aeb9b4052a613300eab440e8e8b25bd39d3f857e681a9