[INFO] fetching crate xpr 0.1.0...
[INFO] checking xpr-0.1.0 against try#7f168b18704203996d3698515c88a036a9300946 for pr-102713
[INFO] extracting crate xpr 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xpr 0.1.0 on toolchain 7f168b18704203996d3698515c88a036a9300946
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xpr 0.1.0
[INFO] finished tweaking crates.io crate xpr 0.1.0
[INFO] tweaked toml for crates.io crate xpr 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate xpr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c024fd41b81a2612f0e7df590b22491109ee5c0f40c5ec82e13b5213748117fc
[INFO] running `Command { std: "docker" "start" "-a" "c024fd41b81a2612f0e7df590b22491109ee5c0f40c5ec82e13b5213748117fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c024fd41b81a2612f0e7df590b22491109ee5c0f40c5ec82e13b5213748117fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c024fd41b81a2612f0e7df590b22491109ee5c0f40c5ec82e13b5213748117fc", kill_on_drop: false }`
[INFO] [stdout] c024fd41b81a2612f0e7df590b22491109ee5c0f40c5ec82e13b5213748117fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b1ba59c54e5908f02ea6eec06e1567a3293088a81b4a6e5ed86b88c88790d1
[INFO] running `Command { std: "docker" "start" "-a" "68b1ba59c54e5908f02ea6eec06e1567a3293088a81b4a6e5ed86b88c88790d1", kill_on_drop: false }`
[INFO] [stderr]     Checking xpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:449:65
[INFO] [stdout]     |
[INFO] [stdout] 449 |         assert_eq!(x.eval(), Evaluator(PhantomData::<i32>).fold(&x));
[INFO] [stdout]     |                                                            ---- ^^ expected struct `Term`, found struct `Xpr`
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Term<i32>`
[INFO] [stdout]                found reference `&Xpr<ops::Add<Xpr<Term<i32>>, Xpr<Term<i32>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/lib.rs:416:8
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn fold(&mut self, _: &T) -> Self::Output;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xpr` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/evaluator.rs:21:30
[INFO] [stdout]     |
[INFO] [stdout] 21  |     let res = Evaluator.fold(&x);
[INFO] [stdout]     |                         ---- ^^ expected struct `Term`, found struct `Xpr`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Term<i32>`
[INFO] [stdout]                found reference `&Xpr<xpr::ops::Add<Xpr<xpr::ops::Add<Xpr<Term<{integer}>>, Xpr<Term<{integer}>>>>, Xpr<Term<{integer}>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:416:8
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn fold(&mut self, _: &T) -> Self::Output;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/substitution.rs:27:31
[INFO] [stdout]     |
[INFO] [stdout] 27  |     let x = Substitution.fold(&x);
[INFO] [stdout]     |                          ---- ^^ expected struct `Term`, found struct `Xpr`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Term<i32>`
[INFO] [stdout]                found reference `&Xpr<xpr::ops::Add<Xpr<xpr::ops::Add<Xpr<Term<{integer}>>, Xpr<Term<{integer}>>>>, Xpr<Term<{integer}>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:416:8
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn fold(&mut self, _: &T) -> Self::Output;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xpr` due to 2 previous errors
[INFO] [stderr] error: could not compile `xpr` due to 2 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/fortitwoify.rs:26:30
[INFO] [stdout]     |
[INFO] [stdout] 26  |     let x = Fortytwoify.fold(&x);
[INFO] [stdout]     |                         ---- ^^ expected struct `Term`, found struct `Xpr`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Term<i32>`
[INFO] [stdout]                found reference `&Xpr<xpr::ops::Add<Xpr<xpr::ops::Add<Xpr<Term<{integer}>>, Xpr<Term<{integer}>>>>, Xpr<Term<{integer}>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:416:8
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn fold(&mut self, _: &T) -> Self::Output;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xpr` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "68b1ba59c54e5908f02ea6eec06e1567a3293088a81b4a6e5ed86b88c88790d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b1ba59c54e5908f02ea6eec06e1567a3293088a81b4a6e5ed86b88c88790d1", kill_on_drop: false }`
[INFO] [stdout] 68b1ba59c54e5908f02ea6eec06e1567a3293088a81b4a6e5ed86b88c88790d1