[INFO] fetching crate effect-monad 0.3.1...
[INFO] checking effect-monad-0.3.1 against try#388b725dea7416978ab58ab1f908139d530308a7 for pr-99943
[INFO] extracting crate effect-monad 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate effect-monad 0.3.1 on toolchain 388b725dea7416978ab58ab1f908139d530308a7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate effect-monad 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate effect-monad 0.3.1
[INFO] tweaked toml for crates.io crate effect-monad 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8f7d65fe9b84909bbdc3e574827bc6fefbdb276ba9c9d50488f7f57f0bce3ad
[INFO] running `Command { std: "docker" "start" "-a" "f8f7d65fe9b84909bbdc3e574827bc6fefbdb276ba9c9d50488f7f57f0bce3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f7d65fe9b84909bbdc3e574827bc6fefbdb276ba9c9d50488f7f57f0bce3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f7d65fe9b84909bbdc3e574827bc6fefbdb276ba9c9d50488f7f57f0bce3ad", kill_on_drop: false }`
[INFO] [stdout] f8f7d65fe9b84909bbdc3e574827bc6fefbdb276ba9c9d50488f7f57f0bce3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+388b725dea7416978ab58ab1f908139d530308a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ae9026df53481635b0faa38adfd0ee7f5df61f6be5eeb5380cd2f3ad25d2fa
[INFO] running `Command { std: "docker" "start" "-a" "88ae9026df53481635b0faa38adfd0ee7f5df61f6be5eeb5380cd2f3ad25d2fa", kill_on_drop: false }`
[INFO] [stderr]     Checking effect-monad v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |               ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout] help: consider restricting type parameter `Args`
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args: core::marker::Tuple> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     extern "rust-call" fn call_once(self, _: Args) -> Self::Output {
[INFO] [stdout]    |                           ^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `Args`
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args: core::marker::Tuple> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |               ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout] help: consider restricting type parameter `Args`
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args: core::marker::Tuple> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `effect-monad` due to 3 previous errors
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     extern "rust-call" fn call_once(self, _: Args) -> Self::Output {
[INFO] [stdout]    |                           ^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `Args`
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, Args: core::marker::Tuple> FnOnce<Args> for ResolveFn<T> {
[INFO] [stdout]    |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `effect-monad` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "88ae9026df53481635b0faa38adfd0ee7f5df61f6be5eeb5380cd2f3ad25d2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ae9026df53481635b0faa38adfd0ee7f5df61f6be5eeb5380cd2f3ad25d2fa", kill_on_drop: false }`
[INFO] [stdout] 88ae9026df53481635b0faa38adfd0ee7f5df61f6be5eeb5380cd2f3ad25d2fa