[INFO] fetching crate leak_slice 0.2.0...
[INFO] testing leak_slice-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate leak_slice 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate leak_slice 0.2.0
[INFO] finished tweaking crates.io crate leak_slice 0.2.0
[INFO] tweaked toml for crates.io crate leak_slice 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leak_slice 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bf3cc009b48ceb770f0596e50c98932ad8b40ac1f3465290816307d2206189
[INFO] running `Command { std: "docker" "start" "-a" "61bf3cc009b48ceb770f0596e50c98932ad8b40ac1f3465290816307d2206189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bf3cc009b48ceb770f0596e50c98932ad8b40ac1f3465290816307d2206189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bf3cc009b48ceb770f0596e50c98932ad8b40ac1f3465290816307d2206189", kill_on_drop: false }`
[INFO] [stdout] 61bf3cc009b48ceb770f0596e50c98932ad8b40ac1f3465290816307d2206189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bbc0e533e95c44449d4ee464ea3f70aacf6ed360c7c5c4a7d0481ef5bfbff75
[INFO] running `Command { std: "docker" "start" "-a" "0bbc0e533e95c44449d4ee464ea3f70aacf6ed360c7c5c4a7d0481ef5bfbff75", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak_slice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "0bbc0e533e95c44449d4ee464ea3f70aacf6ed360c7c5c4a7d0481ef5bfbff75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbc0e533e95c44449d4ee464ea3f70aacf6ed360c7c5c4a7d0481ef5bfbff75", kill_on_drop: false }`
[INFO] [stdout] 0bbc0e533e95c44449d4ee464ea3f70aacf6ed360c7c5c4a7d0481ef5bfbff75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb3a58d8f60a901be19298a39ef8c4d6746e51c3051179280418e358e8d624e
[INFO] running `Command { std: "docker" "start" "-a" "abb3a58d8f60a901be19298a39ef8c4d6746e51c3051179280418e358e8d624e", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak_slice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/leak.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     forget(slice);
[INFO] [stdout]    |     ^^^^^^^-----^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            argument has type `&mut [i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 10 -     forget(slice);
[INFO] [stdout] 10 +     let _ = slice;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "abb3a58d8f60a901be19298a39ef8c4d6746e51c3051179280418e358e8d624e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb3a58d8f60a901be19298a39ef8c4d6746e51c3051179280418e358e8d624e", kill_on_drop: false }`
[INFO] [stdout] abb3a58d8f60a901be19298a39ef8c4d6746e51c3051179280418e358e8d624e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 727ff6ba57e3ad3c3424987350d0f08d23f11f379fcb03981727470511c1c1c3
[INFO] running `Command { std: "docker" "start" "-a" "727ff6ba57e3ad3c3424987350d0f08d23f11f379fcb03981727470511c1c1c3", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> tests/leak.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     forget(slice);
[INFO] [stderr]    |     ^^^^^^^-----^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            argument has type `&mut [i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 10 -     forget(slice);
[INFO] [stderr] 10 +     let _ = slice;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `leak_slice` (test "leak") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leak_slice-7e0823a50fa78ec1)
[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] [stderr]      Running tests/leak.rs (/opt/rustwide/target/debug/deps/leak-129c1540a1f708ee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test leak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leak_slice
[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" "727ff6ba57e3ad3c3424987350d0f08d23f11f379fcb03981727470511c1c1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727ff6ba57e3ad3c3424987350d0f08d23f11f379fcb03981727470511c1c1c3", kill_on_drop: false }`
[INFO] [stdout] 727ff6ba57e3ad3c3424987350d0f08d23f11f379fcb03981727470511c1c1c3