[INFO] fetching crate if-newer 0.0.0...
[INFO] testing if-newer-0.0.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-3
[INFO] extracting crate if-newer 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate if-newer 0.0.0
[INFO] finished tweaking crates.io crate if-newer 0.0.0
[INFO] tweaked toml for crates.io crate if-newer 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate if-newer 0.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate if-newer 0.0.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099
[INFO] running `Command { std: "docker" "start" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling executable-path v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v1.0.0
[INFO] [stderr]    Compiling cradle v0.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `!: cradle::Output` is not satisfied
[INFO] [stdout]    --> tests/simple.rs:35:52
[INFO] [stdout]     |
[INFO] [stdout]  35 |         ("touch", self.temp_dir.path().join(path)).run_result()?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^ the trait `cradle::Output` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `cradle::Output`:
[INFO] [stdout]               ()
[INFO] [stdout]               (A,)
[INFO] [stdout]               (A, B)
[INFO] [stdout]               (A, B, C)
[INFO] [stdout]               (A, B, C, D)
[INFO] [stdout]               (A, B, C, D, E)
[INFO] [stdout]               (A, B, C, D, E, F)
[INFO] [stdout]               (A, B, C, D, E, F, G)
[INFO] [stdout]             and 14 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 `run_result`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cradle-0.2.1/src/input.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub trait Input: Sized {
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn run_result<O>(self) -> Result<O, crate::error::Error>
[INFO] [stdout] 211 |     where
[INFO] [stdout] 212 |         O: Output,
[INFO] [stdout]     |            ^^^^^^ required by this bound in `Input::run_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `if-newer` (test "simple") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099", kill_on_drop: false }`
[INFO] [stdout] f460e74080ac9ed1ababe23f28d041ea07d4ad5a12c521874dd27c8bd23e6099