Dec 05 16:02:21.084 INFO checking breadboard-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:02:21.084 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 16:02:21.355 INFO [stdout] ced06b044a2794d4e36bd940203a579f670568aa1fcf3181f691383f3a0b2ac2
Dec 05 16:02:21.359 INFO running `"docker" "start" "-a" "ced06b044a2794d4e36bd940203a579f670568aa1fcf3181f691383f3a0b2ac2"`
Dec 05 16:02:22.349 INFO [stderr] usermod: no changes
Dec 05 16:02:22.581 INFO [stderr]     Checking breadboard v0.1.0 (/source)
Dec 05 16:02:22.649 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 05 16:02:22.649 INFO [stderr]    --> src/lib.rs:259:25
Dec 05 16:02:22.649 INFO [stderr]     |
Dec 05 16:02:22.649 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 05 16:02:22.649 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 05 16:02:22.649 INFO [stderr]     |
Dec 05 16:02:22.649 INFO [stderr] note: lint level defined here
Dec 05 16:02:22.649 INFO [stderr]    --> src/lib.rs:130:5
Dec 05 16:02:22.649 INFO [stderr]     |
Dec 05 16:02:22.649 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 05 16:02:22.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:02:22.649 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 05 16:02:22.649 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 05 16:02:22.649 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 05 16:02:22.649 INFO [stderr] 
Dec 05 16:02:22.663 INFO [stderr] warning: `dyn` is a keyword in the 2018 edition
Dec 05 16:02:22.663 INFO [stderr]    --> src/lib.rs:259:25
Dec 05 16:02:22.663 INFO [stderr]     |
Dec 05 16:02:22.663 INFO [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
Dec 05 16:02:22.663 INFO [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
Dec 05 16:02:22.663 INFO [stderr]     |
Dec 05 16:02:22.663 INFO [stderr] note: lint level defined here
Dec 05 16:02:22.663 INFO [stderr]    --> src/lib.rs:130:5
Dec 05 16:02:22.663 INFO [stderr]     |
Dec 05 16:02:22.663 INFO [stderr] 130 |     rust_2018_compatibility,
Dec 05 16:02:22.663 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:02:22.663 INFO [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
Dec 05 16:02:22.663 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 05 16:02:22.663 INFO [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
Dec 05 16:02:22.663 INFO [stderr] 
Dec 05 16:02:42.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.15s
Dec 05 16:02:42.543 INFO [stderr] su: No module specific data is present
Dec 05 16:02:43.038 INFO running `"docker" "inspect" "ced06b044a2794d4e36bd940203a579f670568aa1fcf3181f691383f3a0b2ac2"`
Dec 05 16:02:43.319 INFO running `"docker" "rm" "-f" "ced06b044a2794d4e36bd940203a579f670568aa1fcf3181f691383f3a0b2ac2"`
Dec 05 16:02:43.557 INFO [stdout] ced06b044a2794d4e36bd940203a579f670568aa1fcf3181f691383f3a0b2ac2