[INFO] fetching crate parze 0.7.3...
[INFO] checking parze-0.7.3 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate parze 0.7.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate parze 0.7.3 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate crates.io crate parze 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parze-declare v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39b44cf8df838d18e4644ab7506ee63c120ce7542c8821ce8e65eae34caa7024
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39b44cf8df838d18e4644ab7506ee63c120ce7542c8821ce8e65eae34caa7024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b44cf8df838d18e4644ab7506ee63c120ce7542c8821ce8e65eae34caa7024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b44cf8df838d18e4644ab7506ee63c120ce7542c8821ce8e65eae34caa7024", kill_on_drop: false }`
[INFO] [stdout] 39b44cf8df838d18e4644ab7506ee63c120ce7542c8821ce8e65eae34caa7024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e74399d45158c4dcee59834e224bb676f3853b58aa6ba5cd907c923c77763f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65e74399d45158c4dcee59834e224bb676f3853b58aa6ba5cd907c923c77763f", kill_on_drop: false }`
[INFO] [stderr]    Compiling parze-declare v0.2.0
[INFO] [stderr]     Checking parze v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/fail.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<E> Fail<E> {
[INFO] [stdout]    |      - expected type parameter
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stdout]    |                    - found type parameter
[INFO] [stdout] 16 |         Self(self.0, f(self.1))
[INFO] [stdout]    |                      ^^^^^^^^^ expected type parameter `E`, found type parameter `G`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `E`
[INFO] [stdout]               found type parameter `G`
[INFO] [stdout]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/fail.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<E> Fail<E> {
[INFO] [stdout]    |      - expected type parameter
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stdout]    |                    - found type parameter
[INFO] [stdout] 16 |         Self(self.0, f(self.1))
[INFO] [stdout]    |                      ^^^^^^^^^ expected type parameter `E`, found type parameter `G`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `E`
[INFO] [stdout]               found type parameter `G`
[INFO] [stdout]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/fail.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<E> Fail<E> {
[INFO] [stdout]    |      - found type parameter
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stdout]    |                    - expected type parameter       ------- expected `Fail<G>` because of return type
[INFO] [stdout] 16 |         Self(self.0, f(self.1))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `G`, found type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Fail<G>`
[INFO] [stdout]               found struct `Fail<E>`
[INFO] [stdout]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parze`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/fail.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<E> Fail<E> {
[INFO] [stdout]    |      - found type parameter
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn map_err<G>(self, f: impl Fn(E) -> G) -> Fail<G> {
[INFO] [stdout]    |                    - expected type parameter       ------- expected `Fail<G>` because of return type
[INFO] [stdout] 16 |         Self(self.0, f(self.1))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `G`, found type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Fail<G>`
[INFO] [stdout]               found struct `Fail<E>`
[INFO] [stdout]    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "65e74399d45158c4dcee59834e224bb676f3853b58aa6ba5cd907c923c77763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e74399d45158c4dcee59834e224bb676f3853b58aa6ba5cd907c923c77763f", kill_on_drop: false }`
[INFO] [stdout] 65e74399d45158c4dcee59834e224bb676f3853b58aa6ba5cd907c923c77763f