[INFO] fetching crate fun 0.0.1...
[INFO] checking fun-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate fun 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fun 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fun 0.0.1
[INFO] finished tweaking crates.io crate fun 0.0.1
[INFO] tweaked toml for crates.io crate fun 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b115b724dfa763692070d791c415e9915ede61f5724a223632674da62cd09a
[INFO] running `Command { std: "docker" "start" "-a" "50b115b724dfa763692070d791c415e9915ede61f5724a223632674da62cd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b115b724dfa763692070d791c415e9915ede61f5724a223632674da62cd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b115b724dfa763692070d791c415e9915ede61f5724a223632674da62cd09a", kill_on_drop: false }`
[INFO] [stdout] 50b115b724dfa763692070d791c415e9915ede61f5724a223632674da62cd09a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d374497cc7f668fcd5b6bc2b4ff0362fac8ba045552878328b9447fc953ec0e
[INFO] running `Command { std: "docker" "start" "-a" "7d374497cc7f668fcd5b6bc2b4ff0362fac8ba045552878328b9447fc953ec0e", kill_on_drop: false }`
[INFO] [stderr]     Checking fun v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/either.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     elim(|&: a| { Ok(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/maybe.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |          |&: a| { Option::Some(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/either.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     elim(|&: a| { Ok(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/maybe.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |          |&: a| { Option::Some(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/either.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/either.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/maybe.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/maybe.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/data/void.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `B` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |         - first use of `B`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                    ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/maybe.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<A> Maybe<A> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout] 26 |     pub fn elim<A, R, F: Fn(A) -> R>(none: R, some: F, m: Maybe<A>) -> R {
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/either.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/either.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stdout]   --> src/data/void.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unsafe { ::std::intrinsics::unreachable() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/maybe.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/maybe.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/data/void.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `B` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |         - first use of `B`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                    ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/maybe.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<A> Maybe<A> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout] 26 |     pub fn elim<A, R, F: Fn(A) -> R>(none: R, some: F, m: Maybe<A>) -> R {
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stdout]   --> src/data/void.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unsafe { ::std::intrinsics::unreachable() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]  --> src/data/pair.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pair.call(x)
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]   = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0403, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0403`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fun` due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]  --> src/data/pair.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pair.call(x)
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]   = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0403, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0403`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7d374497cc7f668fcd5b6bc2b4ff0362fac8ba045552878328b9447fc953ec0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d374497cc7f668fcd5b6bc2b4ff0362fac8ba045552878328b9447fc953ec0e", kill_on_drop: false }`
[INFO] [stdout] 7d374497cc7f668fcd5b6bc2b4ff0362fac8ba045552878328b9447fc953ec0e