[INFO] crate memoffset 0.2.1 is already in cache
[INFO] extracting crate memoffset 0.2.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/memoffset/0.2.1
[INFO] extracting crate memoffset 0.2.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memoffset/0.2.1
[INFO] validating manifest of memoffset-0.2.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of memoffset-0.2.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing memoffset-0.2.1
[INFO] finished frobbing memoffset-0.2.1
[INFO] frobbed toml for memoffset-0.2.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/memoffset/0.2.1/Cargo.toml
[INFO] started frobbing memoffset-0.2.1
[INFO] finished frobbing memoffset-0.2.1
[INFO] frobbed toml for memoffset-0.2.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memoffset/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing memoffset-0.2.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memoffset/0.2.1:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 4b84caafdeecde30331b27e27e24d190112f4fd1c1f7c637b3301c01304b69b2
[INFO] running `"docker" "start" "-a" "4b84caafdeecde30331b27e27e24d190112f4fd1c1f7c637b3301c01304b69b2"`
[INFO] [stderr]    Compiling memoffset v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "4b84caafdeecde30331b27e27e24d190112f4fd1c1f7c637b3301c01304b69b2"`
[INFO] running `"docker" "rm" "-f" "4b84caafdeecde30331b27e27e24d190112f4fd1c1f7c637b3301c01304b69b2"`
[INFO] [stdout] 4b84caafdeecde30331b27e27e24d190112f4fd1c1f7c637b3301c01304b69b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memoffset/0.2.1:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 593aa7e14db11ec1ac24e74e07d37762f96e5e9d3b240c3ddba6576dc7ae47e6
[INFO] running `"docker" "start" "-a" "593aa7e14db11ec1ac24e74e07d37762f96e5e9d3b240c3ddba6576dc7ae47e6"`
[INFO] [stderr]    Compiling memoffset v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error: index out of bounds: the len is 4 but the index is 4
[INFO] [stderr]    --> src/offset_of.rs:77:33
[INFO] [stderr]     |
[INFO] [stderr] 77  |         let member =  unsafe { &root.$($field)* as *const _ as usize };
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |         offset_of!(Foo, b[4]);
[INFO] [stderr]     |         ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(const_err)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `memoffset`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "593aa7e14db11ec1ac24e74e07d37762f96e5e9d3b240c3ddba6576dc7ae47e6"`
[INFO] running `"docker" "rm" "-f" "593aa7e14db11ec1ac24e74e07d37762f96e5e9d3b240c3ddba6576dc7ae47e6"`
[INFO] [stdout] 593aa7e14db11ec1ac24e74e07d37762f96e5e9d3b240c3ddba6576dc7ae47e6