[INFO] fetching crate leak_slice 0.2.0...
[INFO] testing leak_slice-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate leak_slice 0.2.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leak_slice 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cafdac600ac17390ae805ffd0ecc5e185ddf9a3dd858364cd458cbf15ecbe891
[INFO] running `Command { std: "docker" "start" "-a" "cafdac600ac17390ae805ffd0ecc5e185ddf9a3dd858364cd458cbf15ecbe891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cafdac600ac17390ae805ffd0ecc5e185ddf9a3dd858364cd458cbf15ecbe891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafdac600ac17390ae805ffd0ecc5e185ddf9a3dd858364cd458cbf15ecbe891", kill_on_drop: false }`
[INFO] [stdout] cafdac600ac17390ae805ffd0ecc5e185ddf9a3dd858364cd458cbf15ecbe891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f07bb7dbadf219a6fc4b50f3d53d208578ecf4475fa2cf85afea7931e0a49ac
[INFO] running `Command { std: "docker" "start" "-a" "4f07bb7dbadf219a6fc4b50f3d53d208578ecf4475fa2cf85afea7931e0a49ac", 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 0.09s
[INFO] running `Command { std: "docker" "inspect" "4f07bb7dbadf219a6fc4b50f3d53d208578ecf4475fa2cf85afea7931e0a49ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f07bb7dbadf219a6fc4b50f3d53d208578ecf4475fa2cf85afea7931e0a49ac", kill_on_drop: false }`
[INFO] [stdout] 4f07bb7dbadf219a6fc4b50f3d53d208578ecf4475fa2cf85afea7931e0a49ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8281c496497ea9087b5e0c57e5f5bbb8e2f7180fbf157523cb1817248a8d63
[INFO] running `Command { std: "docker" "start" "-a" "3e8281c496497ea9087b5e0c57e5f5bbb8e2f7180fbf157523cb1817248a8d63", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "3e8281c496497ea9087b5e0c57e5f5bbb8e2f7180fbf157523cb1817248a8d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8281c496497ea9087b5e0c57e5f5bbb8e2f7180fbf157523cb1817248a8d63", kill_on_drop: false }`
[INFO] [stdout] 3e8281c496497ea9087b5e0c57e5f5bbb8e2f7180fbf157523cb1817248a8d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6efca36b0d2dacc1d9c6d469c2960651e21b2a08707ad954f6372b132bf7306
[INFO] running `Command { std: "docker" "start" "-a" "f6efca36b0d2dacc1d9c6d469c2960651e21b2a08707ad954f6372b132bf7306", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leak_slice-04caf8ee1ea3f545)
[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-865f940341880032)
[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" "f6efca36b0d2dacc1d9c6d469c2960651e21b2a08707ad954f6372b132bf7306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6efca36b0d2dacc1d9c6d469c2960651e21b2a08707ad954f6372b132bf7306", kill_on_drop: false }`
[INFO] [stdout] f6efca36b0d2dacc1d9c6d469c2960651e21b2a08707ad954f6372b132bf7306