[INFO] fetching crate process_hollowing 1.12.0...
[INFO] testing process_hollowing-1.12.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate process_hollowing 1.12.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate process_hollowing 1.12.0
[INFO] finished tweaking crates.io crate process_hollowing 1.12.0
[INFO] tweaked toml for crates.io crate process_hollowing 1.12.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate process_hollowing 1.12.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate process_hollowing 1.12.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede92ea7b359129786596f311b40de3671ca51cde3f29cad79c9aa93a103e17f
[INFO] running `Command { std: "docker" "start" "-a" "ede92ea7b359129786596f311b40de3671ca51cde3f29cad79c9aa93a103e17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede92ea7b359129786596f311b40de3671ca51cde3f29cad79c9aa93a103e17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede92ea7b359129786596f311b40de3671ca51cde3f29cad79c9aa93a103e17f", kill_on_drop: false }`
[INFO] [stdout] ede92ea7b359129786596f311b40de3671ca51cde3f29cad79c9aa93a103e17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5c39ba486e4517d1ee92584d1449ae1aa431e8ef9dd1ebd466e007311ecd71
[INFO] running `Command { std: "docker" "start" "-a" "7d5c39ba486e4517d1ee92584d1449ae1aa431e8ef9dd1ebd466e007311ecd71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rco_utils v1.3.0
[INFO] [stderr]    Compiling rco_config v0.3.0
[INFO] [stderr]    Compiling process_hollowing v1.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/process_hollowing_linux.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if let Err(error) = execv(&executable, arguments) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "7d5c39ba486e4517d1ee92584d1449ae1aa431e8ef9dd1ebd466e007311ecd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5c39ba486e4517d1ee92584d1449ae1aa431e8ef9dd1ebd466e007311ecd71", kill_on_drop: false }`
[INFO] [stdout] 7d5c39ba486e4517d1ee92584d1449ae1aa431e8ef9dd1ebd466e007311ecd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5733cabf20c9fa0170bf000e56a44cb18f25642033a83d40ceedf9e9b996d056
[INFO] running `Command { std: "docker" "start" "-a" "5733cabf20c9fa0170bf000e56a44cb18f25642033a83d40ceedf9e9b996d056", kill_on_drop: false }`
[INFO] [stderr]    Compiling process_hollowing v1.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/process_hollowing_linux.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if let Err(error) = execv(&executable, arguments) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "5733cabf20c9fa0170bf000e56a44cb18f25642033a83d40ceedf9e9b996d056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5733cabf20c9fa0170bf000e56a44cb18f25642033a83d40ceedf9e9b996d056", kill_on_drop: false }`
[INFO] [stdout] 5733cabf20c9fa0170bf000e56a44cb18f25642033a83d40ceedf9e9b996d056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a7c3d1114cc116234b5fc722fdcaef5dbbe0c6b385172f34ca247608d008537
[INFO] running `Command { std: "docker" "start" "-a" "4a7c3d1114cc116234b5fc722fdcaef5dbbe0c6b385172f34ca247608d008537", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/process_hollowing_linux.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |             if let Err(error) = execv(&executable, arguments) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `process_hollowing` (bin "process_hollowing" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/process_hollowing-29dbb037cad7f225)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a7c3d1114cc116234b5fc722fdcaef5dbbe0c6b385172f34ca247608d008537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7c3d1114cc116234b5fc722fdcaef5dbbe0c6b385172f34ca247608d008537", kill_on_drop: false }`
[INFO] [stdout] 4a7c3d1114cc116234b5fc722fdcaef5dbbe0c6b385172f34ca247608d008537