[INFO] fetching crate fun 0.0.1...
[INFO] checking fun-0.0.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate fun 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fun 0.0.1 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 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cc78710f99433cb31ce9b43fbb5e3947cb0258ba9bdf0a849fab5ac24dc1cbc5
[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" "cc78710f99433cb31ce9b43fbb5e3947cb0258ba9bdf0a849fab5ac24dc1cbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc78710f99433cb31ce9b43fbb5e3947cb0258ba9bdf0a849fab5ac24dc1cbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc78710f99433cb31ce9b43fbb5e3947cb0258ba9bdf0a849fab5ac24dc1cbc5", kill_on_drop: false }`
[INFO] [stdout] cc78710f99433cb31ce9b43fbb5e3947cb0258ba9bdf0a849fab5ac24dc1cbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 436c573e1b2017403cada006e00d74ea23bcdf30bdc2275d4721e45ff344c31f
[INFO] running `Command { std: "docker" "start" "-a" "436c573e1b2017403cada006e00d74ea23bcdf30bdc2275d4721e45ff344c31f", 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 `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: 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 `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[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 `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: 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 `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[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 `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[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`
[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] [stderr] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0403, E0658.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "436c573e1b2017403cada006e00d74ea23bcdf30bdc2275d4721e45ff344c31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436c573e1b2017403cada006e00d74ea23bcdf30bdc2275d4721e45ff344c31f", kill_on_drop: false }`
[INFO] [stdout] 436c573e1b2017403cada006e00d74ea23bcdf30bdc2275d4721e45ff344c31f