[INFO] crate string_enum 0.1.1 is already in cache
[INFO] extracting crate string_enum 0.1.1 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/string_enum/0.1.1
[INFO] extracting crate string_enum 0.1.1 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/string_enum/0.1.1
[INFO] validating manifest of string_enum-0.1.1 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 string_enum-0.1.1 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 string_enum-0.1.1
[INFO] finished frobbing string_enum-0.1.1
[INFO] frobbed toml for string_enum-0.1.1 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/string_enum/0.1.1/Cargo.toml
[INFO] started frobbing string_enum-0.1.1
[INFO] finished frobbing string_enum-0.1.1
[INFO] frobbed toml for string_enum-0.1.1 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/string_enum/0.1.1/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 string_enum-0.1.1 against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-3/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/string_enum/0.1.1:/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 657c62c03b0d9120cc9aed62ebfa9653899924b94e1068a41a8df96ffef0c00a
[INFO] running `"docker" "start" "-a" "657c62c03b0d9120cc9aed62ebfa9653899924b94e1068a41a8df96ffef0c00a"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking pmutil v0.2.0
[INFO] [stderr]     Checking swc_macros_common v0.1.3
[INFO] [stderr]     Checking string_enum v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0259]: the name `std` is defined multiple times
[INFO] [stderr]  --> tests/simple.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(StringEnum)]
[INFO] [stderr]   |          ^^^^^^^^^^ `std` reimported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `std` must be defined only once in the type namespace of this module
[INFO] [stderr] help: you can use `as` to change the binding name of the import
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(extern crate std as other_std;)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0259`.
[INFO] [stderr] error: Could not compile `string_enum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "657c62c03b0d9120cc9aed62ebfa9653899924b94e1068a41a8df96ffef0c00a"`
[INFO] running `"docker" "rm" "-f" "657c62c03b0d9120cc9aed62ebfa9653899924b94e1068a41a8df96ffef0c00a"`
[INFO] [stdout] 657c62c03b0d9120cc9aed62ebfa9653899924b94e1068a41a8df96ffef0c00a