[INFO] cloning repository https://github.com/iv-org/inv_sig_helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iv-org/inv_sig_helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiv-org%2Finv_sig_helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiv-org%2Finv_sig_helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcda9f16ae748639cec652ed504809b60f149e71
[INFO] checking iv-org/inv_sig_helper against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiv-org%2Finv_sig_helper" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iv-org/inv_sig_helper
[INFO] finished tweaking git repo https://github.com/iv-org/inv_sig_helper
[INFO] tweaked toml for git repo https://github.com/iv-org/inv_sig_helper written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iv-org/inv_sig_helper on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iv-org/inv_sig_helper 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3827412c656fc7fb1babc04852a1740ea7baeeb50deccacb68feb268e4074c
[INFO] running `Command { std: "docker" "start" "-a" "fc3827412c656fc7fb1babc04852a1740ea7baeeb50deccacb68feb268e4074c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3827412c656fc7fb1babc04852a1740ea7baeeb50deccacb68feb268e4074c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3827412c656fc7fb1babc04852a1740ea7baeeb50deccacb68feb268e4074c", kill_on_drop: false }`
[INFO] [stdout] fc3827412c656fc7fb1babc04852a1740ea7baeeb50deccacb68feb268e4074c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d1179fd0c19b9e76784290fb2ea9587e0129d97c2da8de17123f4a47e94b43
[INFO] running `Command { std: "docker" "start" "-a" "14d1179fd0c19b9e76784290fb2ea9587e0129d97c2da8de17123f4a47e94b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
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[INFO] [stdout] error[E0277]: the trait bound `!: value::convert::FromJs<'_>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rquickjs-core-0.6.2/src/value/promise.rs:190:18
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 .call((This(this.promise.clone()), resolve.clone(), resolve))?;
[INFO] [stdout]     |                  ^^^^ the trait `value::convert::FromJs<'_>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `value::convert::FromJs<'js>`:
[INFO] [stdout]               ()
[INFO] [stdout]               Arc<T>
[INFO] [stdout]               BTreeMap<K, V>
[INFO] [stdout]               BTreeSet<T>
[INFO] [stdout]               Box<T>
[INFO] [stdout]               Cell<T>
[INFO] [stdout]               Class<'js, C>
[INFO] [stdout]               Coerced<bool>
[INFO] [stdout]             and 65 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `function::Function::<'js>::call`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rquickjs-core-0.6.2/src/value/function.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  61 |     pub fn call<A, R>(&self, args: A) -> Result<R>
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout]  64 |         R: FromJs<'js>,
[INFO] [stdout]     |            ^^^^^^^^^^^ required by this bound in `Function::<'js>::call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rquickjs-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "14d1179fd0c19b9e76784290fb2ea9587e0129d97c2da8de17123f4a47e94b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d1179fd0c19b9e76784290fb2ea9587e0129d97c2da8de17123f4a47e94b43", kill_on_drop: false }`
[INFO] [stdout] 14d1179fd0c19b9e76784290fb2ea9587e0129d97c2da8de17123f4a47e94b43