[INFO] crate parze 0.7.3 is already in cache
[INFO] testing parze-0.7.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate parze 0.7.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate parze 0.7.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate parze 0.7.3
[INFO] finished tweaking crates.io crate parze 0.7.3
[INFO] tweaked toml for crates.io crate parze 0.7.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate parze 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] c307240b5d6542550060d634590791985640bc05f8f0f5fd84f4277cbe678d43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c307240b5d6542550060d634590791985640bc05f8f0f5fd84f4277cbe678d43"`
[INFO] [stderr]    Compiling parze-declare v0.2.0
[INFO] [stderr]    Compiling parze v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/fail.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl<E> Fail<E> {
[INFO] [stderr]    |      - expected type parameter
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stderr]    |                    - found type parameter
[INFO] [stderr] 16 |         Self(self.0, f(self.1))
[INFO] [stderr]    |                      ^^^^^^^^^ expected type parameter `E`, found type parameter `G`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type parameter `E`
[INFO] [stderr]               found type parameter `G`
[INFO] [stderr]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/fail.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl<E> Fail<E> {
[INFO] [stderr]    |      - found type parameter
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stderr]    |                    - expected type parameter       ------- expected `fail::Fail<G>` because of return type
[INFO] [stderr] 16 |         Self(self.0, f(self.1))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `G`, found type parameter `E`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `fail::Fail<G>`
[INFO] [stderr]               found struct `fail::Fail<E>`
[INFO] [stderr]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `parze`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c307240b5d6542550060d634590791985640bc05f8f0f5fd84f4277cbe678d43"`
[INFO] running `"docker" "rm" "-f" "c307240b5d6542550060d634590791985640bc05f8f0f5fd84f4277cbe678d43"`
[INFO] [stdout] c307240b5d6542550060d634590791985640bc05f8f0f5fd84f4277cbe678d43