[INFO] crate tryfromfail 0.1.0 is already in cache
[INFO] checking tryfromfail-0.1.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate tryfromfail 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate tryfromfail 0.1.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tryfromfail 0.1.0
[INFO] finished tweaking crates.io crate tryfromfail 0.1.0
[INFO] tweaked toml for crates.io crate tryfromfail 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d910dade39d20b99d88c681f0c568ebc24f1f3ac45aab140c17b2e7fd4268365
[INFO] running `"docker" "start" "-a" "d910dade39d20b99d88c681f0c568ebc24f1f3ac45aab140c17b2e7fd4268365"`
[INFO] [stderr]     Checking proc-macro2 v0.3.8
[INFO] [stderr]    Compiling tryfromfail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v0.5.2
[INFO] [stderr]     Checking syn v0.13.11
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d910dade39d20b99d88c681f0c568ebc24f1f3ac45aab140c17b2e7fd4268365"`
[INFO] running `"docker" "rm" "-f" "d910dade39d20b99d88c681f0c568ebc24f1f3ac45aab140c17b2e7fd4268365"`
[INFO] [stdout] d910dade39d20b99d88c681f0c568ebc24f1f3ac45aab140c17b2e7fd4268365