[INFO] crate thin_main_loop 0.1.7 is already in cache
[INFO] extracting crate thin_main_loop 0.1.7 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/thin_main_loop/0.1.7
[INFO] extracting crate thin_main_loop 0.1.7 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/thin_main_loop/0.1.7
[INFO] validating manifest of thin_main_loop-0.1.7 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thin_main_loop-0.1.7 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thin_main_loop-0.1.7
[INFO] finished frobbing thin_main_loop-0.1.7
[INFO] frobbed toml for thin_main_loop-0.1.7 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/thin_main_loop/0.1.7/Cargo.toml
[INFO] started frobbing thin_main_loop-0.1.7
[INFO] finished frobbing thin_main_loop-0.1.7
[INFO] frobbed toml for thin_main_loop-0.1.7 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/thin_main_loop/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thin_main_loop-0.1.7 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/thin_main_loop/0.1.7:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 94b11401c000278dcbc58cf554da0813b4c401f741fe67c72439590f493bc1d5
[INFO] running `"docker" "start" "-a" "94b11401c000278dcbc58cf554da0813b4c401f741fe67c72439590f493bc1d5"`
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking thin_main_loop v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ruststd.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub (crate) fn new() -> Result<(Self, Box<SendFnOnce>), MainLoopError> {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[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/mainloop.rs:59:59
[INFO] [stderr]    |
[INFO] [stderr] 59 |     static ref THREAD_SENDER: Mutex<HashMap<ThreadId, Box<SendFnOnce>>> = Default::default();
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Other(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IO(Box<IOAble + 'a>),
[INFO] [stderr]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn IOAble + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ruststd.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub (crate) fn new() -> Result<(Self, Box<SendFnOnce>), MainLoopError> {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[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/mainloop.rs:59:59
[INFO] [stderr]    |
[INFO] [stderr] 59 |     static ref THREAD_SENDER: Mutex<HashMap<ThreadId, Box<SendFnOnce>>> = Default::default();
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Other(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IO(Box<IOAble + 'a>),
[INFO] [stderr]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn IOAble + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "94b11401c000278dcbc58cf554da0813b4c401f741fe67c72439590f493bc1d5"`
[INFO] running `"docker" "rm" "-f" "94b11401c000278dcbc58cf554da0813b4c401f741fe67c72439590f493bc1d5"`
[INFO] [stdout] 94b11401c000278dcbc58cf554da0813b4c401f741fe67c72439590f493bc1d5