[INFO] cloning repository https://github.com/jroesch/molten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jroesch/molten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de57629d7b02e0fdf851804306bee2679520855d
[INFO] checking jroesch/molten/de57629d7b02e0fdf851804306bee2679520855d against master#8b6b15b877fbceb1ee5d9a5a4746e7515901574a for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jroesch/molten
[INFO] finished tweaking git repo https://github.com/jroesch/molten
[INFO] tweaked toml for git repo https://github.com/jroesch/molten written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jroesch/molten on toolchain 8b6b15b877fbceb1ee5d9a5a4746e7515901574a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jroesch/molten already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 180b3c8720be275da3e5ac5665eed7fc4537a42f34cb6eccf1d1e827f83dd919
[INFO] running `Command { std: "docker" "start" "-a" "180b3c8720be275da3e5ac5665eed7fc4537a42f34cb6eccf1d1e827f83dd919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180b3c8720be275da3e5ac5665eed7fc4537a42f34cb6eccf1d1e827f83dd919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180b3c8720be275da3e5ac5665eed7fc4537a42f34cb6eccf1d1e827f83dd919", kill_on_drop: false }`
[INFO] [stdout] 180b3c8720be275da3e5ac5665eed7fc4537a42f34cb6eccf1d1e827f83dd919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fae42df5a824dffee03aa8086a19d0f69c9d7a101fde41ddec0229ca3bcaf10
[INFO] running `Command { std: "docker" "start" "-a" "7fae42df5a824dffee03aa8086a19d0f69c9d7a101fde41ddec0229ca3bcaf10", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking molten v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hlist.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hlist.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FnMut` and `Fn`
[INFO] [stdout]  --> src/poly.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stdout]   |                ^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hlist::*`
[INFO] [stdout]  --> src/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FnMut` and `Fn`
[INFO] [stdout]  --> src/poly.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stdout]   |                ^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hlist::*`
[INFO] [stdout]  --> src/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/poly.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8b6b15b877fbceb1ee5d9a5a4746e7515901574a/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[INFO] [stdout]    |                                                                   ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/poly.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args> {
[INFO] [stdout]    |            ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8b6b15b877fbceb1ee5d9a5a4746e7515901574a/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[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/poly.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[INFO] [stdout]    |                                                                   ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/poly.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8b6b15b877fbceb1ee5d9a5a4746e7515901574a/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[INFO] [stdout]    |                                                                   ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/poly.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args> {
[INFO] [stdout]    |            ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8b6b15b877fbceb1ee5d9a5a4746e7515901574a/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[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/poly.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<Args> FnOnce<Args> for singleton where singleton : Case<Args>, Args: std::marker::Tuple {
[INFO] [stdout]    |                                                                   ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/poly.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let x = singleton(10);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/poly.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let y = singleton("hello");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[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] 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 `molten` (lib test) due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `molten` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7fae42df5a824dffee03aa8086a19d0f69c9d7a101fde41ddec0229ca3bcaf10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fae42df5a824dffee03aa8086a19d0f69c9d7a101fde41ddec0229ca3bcaf10", kill_on_drop: false }`
[INFO] [stdout] 7fae42df5a824dffee03aa8086a19d0f69c9d7a101fde41ddec0229ca3bcaf10