[INFO] crate detour 0.7.0 is already in cache
[INFO] extracting crate detour 0.7.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/detour/0.7.0
[INFO] extracting crate detour 0.7.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/detour/0.7.0
[INFO] validating manifest of detour-0.7.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of detour-0.7.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing detour-0.7.0
[INFO] removed 1 missing examples
[INFO] finished frobbing detour-0.7.0
[INFO] frobbed toml for detour-0.7.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/detour/0.7.0/Cargo.toml
[INFO] started frobbing detour-0.7.0
[INFO] removed 1 missing examples
[INFO] finished frobbing detour-0.7.0
[INFO] frobbed toml for detour-0.7.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/detour/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking detour-0.7.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/detour/0.7.0:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 052c4970221dbc5407bca653cd9f51a29380fdb82e8eec3a801e7b7b2992ef57
[INFO] running `"docker" "start" "-a" "052c4970221dbc5407bca653cd9f51a29380fdb82e8eec3a801e7b7b2992ef57"`
[INFO] [stderr]     Checking slice-pool v0.3.4
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking mmap-fixed v0.1.5
[INFO] [stderr]     Checking detour v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused boxed boxed `std::ops::Fn` trait object that must be used
[INFO] [stderr]    --> src/detours/statik.rs:139:7
[INFO] [stderr]     |
[INFO] [stderr] 139 |       unsafe { Box::from_raw(previous) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed boxed `std::ops::Fn` trait object that must be used
[INFO] [stderr]    --> src/detours/statik.rs:162:7
[INFO] [stderr]     |
[INFO] [stderr] 162 |       unsafe { Box::from_raw(previous) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed boxed `std::ops::Fn` trait object that must be used
[INFO] [stderr]    --> src/detours/statik.rs:139:7
[INFO] [stderr]     |
[INFO] [stderr] 139 |       unsafe { Box::from_raw(previous) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed boxed `std::ops::Fn` trait object that must be used
[INFO] [stderr]    --> src/detours/statik.rs:162:7
[INFO] [stderr]     |
[INFO] [stderr] 162 |       unsafe { Box::from_raw(previous) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `messageboxw_detour`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `examples/messageboxw_detour.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `detour`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "052c4970221dbc5407bca653cd9f51a29380fdb82e8eec3a801e7b7b2992ef57"`
[INFO] running `"docker" "rm" "-f" "052c4970221dbc5407bca653cd9f51a29380fdb82e8eec3a801e7b7b2992ef57"`
[INFO] [stdout] 052c4970221dbc5407bca653cd9f51a29380fdb82e8eec3a801e7b7b2992ef57