Dec 12 17:24:52.244 INFO checking breadboard-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:24:52.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 17:24:52.452 INFO [stdout] 167d7b01fb53ad6a46a6cfc47939821faa3d23867fbfc356518e1447270abafc
Dec 12 17:24:52.458 INFO running `"docker" "start" "-a" "167d7b01fb53ad6a46a6cfc47939821faa3d23867fbfc356518e1447270abafc"`
Dec 12 17:24:53.286 INFO [stderr] usermod: no changes
Dec 12 17:24:53.477 INFO [stderr]     Checking breadboard v0.1.0 (/source)
Dec 12 17:24:53.544 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 12 17:24:53.544 INFO [stderr]    --> src/lib.rs:259:25
Dec 12 17:24:53.544 INFO [stderr]     |
Dec 12 17:24:53.544 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 12 17:24:53.544 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 12 17:24:53.544 INFO [stderr]     |
Dec 12 17:24:53.544 INFO [stderr] note: lint level defined here
Dec 12 17:24:53.544 INFO [stderr]    --> src/lib.rs:130:5
Dec 12 17:24:53.544 INFO [stderr]     |
Dec 12 17:24:53.544 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 12 17:24:53.544 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:24:53.544 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 12 17:24:53.544 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 12 17:24:53.544 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 12 17:24:53.544 INFO [stderr] 
Dec 12 17:24:53.548 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 12 17:24:53.548 INFO [stderr]    --> src/lib.rs:259:25
Dec 12 17:24:53.548 INFO [stderr]     |
Dec 12 17:24:53.548 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 12 17:24:53.548 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 12 17:24:53.548 INFO [stderr]     |
Dec 12 17:24:53.548 INFO [stderr] note: lint level defined here
Dec 12 17:24:53.548 INFO [stderr]    --> src/lib.rs:130:5
Dec 12 17:24:53.548 INFO [stderr]     |
Dec 12 17:24:53.548 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 12 17:24:53.548 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:24:53.548 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 12 17:24:53.548 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 12 17:24:53.548 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 12 17:24:53.548 INFO [stderr] 
Dec 12 17:25:11.818 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.51s
Dec 12 17:25:11.845 INFO [stderr] su: No module specific data is present
Dec 12 17:25:12.891 INFO running `"docker" "inspect" "167d7b01fb53ad6a46a6cfc47939821faa3d23867fbfc356518e1447270abafc"`
Dec 12 17:25:13.184 INFO running `"docker" "rm" "-f" "167d7b01fb53ad6a46a6cfc47939821faa3d23867fbfc356518e1447270abafc"`
Dec 12 17:25:13.740 INFO [stdout] 167d7b01fb53ad6a46a6cfc47939821faa3d23867fbfc356518e1447270abafc