[INFO] crate tryfromfail 0.1.0 is already in cache
[INFO] extracting crate tryfromfail 0.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/tryfromfail/0.1.0
[INFO] extracting crate tryfromfail 0.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/tryfromfail/0.1.0
[INFO] validating manifest of tryfromfail-0.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tryfromfail-0.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tryfromfail-0.1.0
[INFO] finished frobbing tryfromfail-0.1.0
[INFO] frobbed toml for tryfromfail-0.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/tryfromfail/0.1.0/Cargo.toml
[INFO] started frobbing tryfromfail-0.1.0
[INFO] finished frobbing tryfromfail-0.1.0
[INFO] frobbed toml for tryfromfail-0.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/tryfromfail/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tryfromfail-0.1.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/tryfromfail/0.1.0:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d34cdee47d6a3fcd2255a7b7dabe445e6fd8170489f0ab22e232e7776d5da96
[INFO] running `"docker" "start" "-a" "3d34cdee47d6a3fcd2255a7b7dabe445e6fd8170489f0ab22e232e7776d5da96"`
[INFO] [stderr]     Checking proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking quote v0.5.2
[INFO] [stderr]     Checking tryfromfail v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0659]: `FailingTryFrom` is ambiguous (derive helper attribute vs any other name)
[INFO] [stderr]  --> tests/test.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[FailingTryFrom(OtherType, AnotherType)]
[INFO] [stderr]   |   ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr] note: `FailingTryFrom` could refer to the derive helper attribute defined here
[INFO] [stderr]  --> tests/test.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, PartialEq, FailingTryFrom)]
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^
[INFO] [stderr] note: `FailingTryFrom` could also refer to the derive macro imported here
[INFO] [stderr]  --> tests/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[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 E0659`.
[INFO] [stderr] error: Could not compile `tryfromfail`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3d34cdee47d6a3fcd2255a7b7dabe445e6fd8170489f0ab22e232e7776d5da96"`
[INFO] running `"docker" "rm" "-f" "3d34cdee47d6a3fcd2255a7b7dabe445e6fd8170489f0ab22e232e7776d5da96"`
[INFO] [stdout] 3d34cdee47d6a3fcd2255a7b7dabe445e6fd8170489f0ab22e232e7776d5da96