[INFO] fetching crate thunky 0.9.0...
[INFO] extracting crate thunky 0.9.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/thunky/0.9.0
[INFO] extracting crate thunky 0.9.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/thunky/0.9.0
[INFO] validating manifest of thunky-0.9.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thunky-0.9.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thunky-0.9.0
[INFO] finished frobbing thunky-0.9.0
[INFO] frobbed toml for thunky-0.9.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/thunky/0.9.0/Cargo.toml
[INFO] started frobbing thunky-0.9.0
[INFO] finished frobbing thunky-0.9.0
[INFO] frobbed toml for thunky-0.9.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/thunky/0.9.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thunky-0.9.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/thunky/0.9.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 94332f52072bd206bd3c9b9d18256b35a156d6ba7ab583be4fd33e621b5aedde
[INFO] running `"docker" "start" "-a" "94332f52072bd206bd3c9b9d18256b35a156d6ba7ab583be4fd33e621b5aedde"`
[INFO] [stderr]     Checking thunky v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Cb<T, E> = Box<Fn(&Result<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Result<T, E>) -> () + Send + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | type RunCb<T, E> = Box<Fn(&Thunky<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Thunky<T, E>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |   state: Mutex<Option<Box<State<T, E> + Send + Sync>>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn State<T, E> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Cb<T, E> = Box<Fn(&Result<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Result<T, E>) -> () + Send + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | type RunCb<T, E> = Box<Fn(&Thunky<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Thunky<T, E>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |   state: Mutex<Option<Box<State<T, E> + Send + Sync>>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn State<T, E> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "94332f52072bd206bd3c9b9d18256b35a156d6ba7ab583be4fd33e621b5aedde"`
[INFO] running `"docker" "rm" "-f" "94332f52072bd206bd3c9b9d18256b35a156d6ba7ab583be4fd33e621b5aedde"`
[INFO] [stdout] 94332f52072bd206bd3c9b9d18256b35a156d6ba7ab583be4fd33e621b5aedde