[INFO] crate string_enum 0.1.1 is already in cache
[INFO] extracting crate string_enum 0.1.1 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/string_enum/0.1.1
[INFO] extracting crate string_enum 0.1.1 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/string_enum/0.1.1
[INFO] validating manifest of string_enum-0.1.1 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of string_enum-0.1.1 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/string_enum/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking string_enum-0.1.1 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-0/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68562a6a56b34a2e479f07d6b8bf00e3a95b57fc736a2e9b734e1f7fc62dfd02
[INFO] running `"docker" "start" "-a" "68562a6a56b34a2e479f07d6b8bf00e3a95b57fc736a2e9b734e1f7fc62dfd02"`
[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" "68562a6a56b34a2e479f07d6b8bf00e3a95b57fc736a2e9b734e1f7fc62dfd02"`
[INFO] running `"docker" "rm" "-f" "68562a6a56b34a2e479f07d6b8bf00e3a95b57fc736a2e9b734e1f7fc62dfd02"`
[INFO] [stdout] 68562a6a56b34a2e479f07d6b8bf00e3a95b57fc736a2e9b734e1f7fc62dfd02