[INFO] fetching crate if-newer 0.0.0...
[INFO] testing if-newer-0.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate if-newer 0.0.0 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate if-newer 0.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded pretty_assertions v1.0.0
[INFO] [stderr]   Downloaded executable-path v1.0.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded rustversion v1.0.6
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.114
[INFO] [stderr]   Downloaded cradle v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edba581dd4957886a0ac1ab62d6387b4ad3e95359bc17bec5127ec9a1af379d1
[INFO] running `Command { std: "docker" "start" "-a" "edba581dd4957886a0ac1ab62d6387b4ad3e95359bc17bec5127ec9a1af379d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edba581dd4957886a0ac1ab62d6387b4ad3e95359bc17bec5127ec9a1af379d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edba581dd4957886a0ac1ab62d6387b4ad3e95359bc17bec5127ec9a1af379d1", kill_on_drop: false }`
[INFO] [stdout] edba581dd4957886a0ac1ab62d6387b4ad3e95359bc17bec5127ec9a1af379d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef54490f6f58a01ae19fb33a1abc075fab8d3d4928f6d57fea48e234c95f4f0
[INFO] running `Command { std: "docker" "start" "-a" "2ef54490f6f58a01ae19fb33a1abc075fab8d3d4928f6d57fea48e234c95f4f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2ef54490f6f58a01ae19fb33a1abc075fab8d3d4928f6d57fea48e234c95f4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef54490f6f58a01ae19fb33a1abc075fab8d3d4928f6d57fea48e234c95f4f0", kill_on_drop: false }`
[INFO] [stdout] 2ef54490f6f58a01ae19fb33a1abc075fab8d3d4928f6d57fea48e234c95f4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291c2901cb743935c9783b3e03cfa904e65f62a228a45cb5ff5b410272a358e9
[INFO] running `Command { std: "docker" "start" "-a" "291c2901cb743935c9783b3e03cfa904e65f62a228a45cb5ff5b410272a358e9", 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 ansi_term v0.12.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling executable-path v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v1.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling cradle v0.2.1
[INFO] [stderr]    Compiling if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> tests/simple.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn touch(&self, path: &str) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: cradle::Output` will fail
[INFO] [stdout]   --> tests/simple.rs:35:52
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ("touch", self.temp_dir.path().join(path)).run_result()?;
[INFO] [stdout]    |                                                    ^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ("touch", self.temp_dir.path().join(path)).run_result::<()>()?;
[INFO] [stdout]    |                                                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `if-newer` (test "simple") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "291c2901cb743935c9783b3e03cfa904e65f62a228a45cb5ff5b410272a358e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291c2901cb743935c9783b3e03cfa904e65f62a228a45cb5ff5b410272a358e9", kill_on_drop: false }`
[INFO] [stdout] 291c2901cb743935c9783b3e03cfa904e65f62a228a45cb5ff5b410272a358e9
