[INFO] fetching crate run-down 0.1.1...
[INFO] testing run-down-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate run-down 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate run-down 0.1.1
[INFO] finished tweaking crates.io crate run-down 0.1.1
[INFO] tweaked toml for crates.io crate run-down 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate run-down 0.1.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.1)
[INFO] [stderr]       Adding lazy-init v0.3.0 (available: v0.5.1)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding rsevents v0.2.1 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsevents v0.2.1
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d1b5b40ac70f7e45134208ff2996cbe4f145b9f10cd62d8da74a36d35bfbcb
[INFO] running `Command { std: "docker" "start" "-a" "93d1b5b40ac70f7e45134208ff2996cbe4f145b9f10cd62d8da74a36d35bfbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d1b5b40ac70f7e45134208ff2996cbe4f145b9f10cd62d8da74a36d35bfbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d1b5b40ac70f7e45134208ff2996cbe4f145b9f10cd62d8da74a36d35bfbcb", kill_on_drop: false }`
[INFO] [stdout] 93d1b5b40ac70f7e45134208ff2996cbe4f145b9f10cd62d8da74a36d35bfbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e95093e94983f00056f3ba0ef060a0f0632eb35a2f1c6c5aa9bcf95e6b4ee47c
[INFO] running `Command { std: "docker" "start" "-a" "e95093e94983f00056f3ba0ef060a0f0632eb35a2f1c6c5aa9bcf95e6b4ee47c", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling lazy-init v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling rsevents v0.2.1
[INFO] [stderr]    Compiling run-down v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "e95093e94983f00056f3ba0ef060a0f0632eb35a2f1c6c5aa9bcf95e6b4ee47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95093e94983f00056f3ba0ef060a0f0632eb35a2f1c6c5aa9bcf95e6b4ee47c", kill_on_drop: false }`
[INFO] [stdout] e95093e94983f00056f3ba0ef060a0f0632eb35a2f1c6c5aa9bcf95e6b4ee47c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 84c2ea888c2a74640013d55b894e702cdd37a0f2f3ef11e068a560952e86073d
[INFO] running `Command { std: "docker" "start" "-a" "84c2ea888c2a74640013d55b894e702cdd37a0f2f3ef11e068a560952e86073d", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling run-down v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `T: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]   --> tests/unit-tests.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_droppable<T: Drop>() {}
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "84c2ea888c2a74640013d55b894e702cdd37a0f2f3ef11e068a560952e86073d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c2ea888c2a74640013d55b894e702cdd37a0f2f3ef11e068a560952e86073d", kill_on_drop: false }`
[INFO] [stdout] 84c2ea888c2a74640013d55b894e702cdd37a0f2f3ef11e068a560952e86073d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 655772f0b7d516e2151d36abcba6ec96b1197c04a0adc0cd7babfe9b4703b462
[INFO] running `Command { std: "docker" "start" "-a" "655772f0b7d516e2151d36abcba6ec96b1197c04a0adc0cd7babfe9b4703b462", kill_on_drop: false }`
[INFO] [stderr] warning: bounds on `T: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stderr]   --> tests/unit-tests.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_droppable<T: Drop>() {}
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `run-down` (test "unit-tests") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/run_down-d3fd789e5d7bab4b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test flags::test_rundown_flags_refcount ... ok
[INFO] [stdout] test flags::test_rundown_flags_set_in_progress ... ok
[INFO] [stdout] test flags::test_to_flags ... ok
[INFO] [stdout] test rundown_ref::test_wait_when_protected ... ok
[INFO] [stdout] test flags::test_rundown_flags_overflow_panic - should panic ... ok
[INFO] [stdout] test flags::test_rundown_flags_underflow_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unit-tests.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/unit_tests-8a889314c580f761)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_multiple_successive_waits ... ok
[INFO] [stdout] test test_rundown_guard_implements_drop ... ok
[INFO] [stdout] test test_acquisition_when_rundown ... ok
[INFO] [stdout] test test_acquisition_when_not_rundown ... ok
[INFO] [stdout] test test_re_init ... ok
[INFO] [stdout] test test_usage_with_concurrency ... ok
[INFO] [stdout] test test_re_init_panic_on_ref - should panic ... ok
[INFO] [stdout] test test_re_init_panic_without_rundown - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "655772f0b7d516e2151d36abcba6ec96b1197c04a0adc0cd7babfe9b4703b462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655772f0b7d516e2151d36abcba6ec96b1197c04a0adc0cd7babfe9b4703b462", kill_on_drop: false }`
[INFO] [stdout] 655772f0b7d516e2151d36abcba6ec96b1197c04a0adc0cd7babfe9b4703b462