[INFO] crate breadboard 0.1.0 is already in cache
[INFO] extracting crate breadboard 0.1.0 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/breadboard/0.1.0
[INFO] extracting crate breadboard 0.1.0 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/breadboard/0.1.0
[INFO] validating manifest of breadboard-0.1.0 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of breadboard-0.1.0 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing breadboard-0.1.0
[INFO] finished frobbing breadboard-0.1.0
[INFO] frobbed toml for breadboard-0.1.0 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/breadboard/0.1.0/Cargo.toml
[INFO] started frobbing breadboard-0.1.0
[INFO] finished frobbing breadboard-0.1.0
[INFO] frobbed toml for breadboard-0.1.0 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/breadboard/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking breadboard-0.1.0 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-4/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/breadboard/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be0147d049c30e57ae1dc317083d61c297fe8ad4a6d8ba2cf3ca6bea6085173f
[INFO] running `"docker" "start" "-a" "be0147d049c30e57ae1dc317083d61c297fe8ad4a6d8ba2cf3ca6bea6085173f"`
[INFO] [stderr]     Checking breadboard v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `dyn` is a keyword in the 2018 edition
[INFO] [stderr]    --> src/lib.rs:259:25
[INFO] [stderr]     |
[INFO] [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     rust_2018_compatibility,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
[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!
[INFO] [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stderr] 
[INFO] [stderr] warning: `dyn` is a keyword in the 2018 edition
[INFO] [stderr]    --> src/lib.rs:259:25
[INFO] [stderr]     |
[INFO] [stderr] 259 |             E: Into<Box<dyn std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                         ^^^ help: you can use a raw identifier to stay compatible: `r#dyn`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     rust_2018_compatibility,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: #[warn(keyword_idents)] implied by #[warn(rust_2018_compatibility)]
[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!
[INFO] [stderr]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `"docker" "inspect" "be0147d049c30e57ae1dc317083d61c297fe8ad4a6d8ba2cf3ca6bea6085173f"`
[INFO] running `"docker" "rm" "-f" "be0147d049c30e57ae1dc317083d61c297fe8ad4a6d8ba2cf3ca6bea6085173f"`
[INFO] [stdout] be0147d049c30e57ae1dc317083d61c297fe8ad4a6d8ba2cf3ca6bea6085173f