[INFO] fetching crate async-unsync 0.3.0...
[INFO] testing async-unsync-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate async-unsync 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate async-unsync 0.3.0
[INFO] finished tweaking crates.io crate async-unsync 0.3.0
[INFO] tweaked toml for crates.io crate async-unsync 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-unsync 0.3.0 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 26 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ccae157e56b34c668b9fa0613a419c390fa764012941cc58ff33ab20cd04f331
[INFO] running `Command { std: "docker" "start" "-a" "ccae157e56b34c668b9fa0613a419c390fa764012941cc58ff33ab20cd04f331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccae157e56b34c668b9fa0613a419c390fa764012941cc58ff33ab20cd04f331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccae157e56b34c668b9fa0613a419c390fa764012941cc58ff33ab20cd04f331", kill_on_drop: false }`
[INFO] [stdout] ccae157e56b34c668b9fa0613a419c390fa764012941cc58ff33ab20cd04f331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fb91b398f2726ae97c9b781656959fdaa4b205cc87abb4a66b6b958927fc2a64
[INFO] running `Command { std: "docker" "start" "-a" "fb91b398f2726ae97c9b781656959fdaa4b205cc87abb4a66b6b958927fc2a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-unsync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "fb91b398f2726ae97c9b781656959fdaa4b205cc87abb4a66b6b958927fc2a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb91b398f2726ae97c9b781656959fdaa4b205cc87abb4a66b6b958927fc2a64", kill_on_drop: false }`
[INFO] [stdout] fb91b398f2726ae97c9b781656959fdaa4b205cc87abb4a66b6b958927fc2a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d4e2a8794faa9de70b8ac39b1356264b6d1c2ce320b50440df6bddba4f648d6f
[INFO] running `Command { std: "docker" "start" "-a" "d4e2a8794faa9de70b8ac39b1356264b6d1c2ce320b50440df6bddba4f648d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling async-unsync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/oneshot.rs:436:22
[INFO] [stdout]     |
[INFO] [stdout] 436 |             let (tx, mut rx) = chan.split();
[INFO] [stdout]     |                      ----^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "d4e2a8794faa9de70b8ac39b1356264b6d1c2ce320b50440df6bddba4f648d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e2a8794faa9de70b8ac39b1356264b6d1c2ce320b50440df6bddba4f648d6f", kill_on_drop: false }`
[INFO] [stdout] d4e2a8794faa9de70b8ac39b1356264b6d1c2ce320b50440df6bddba4f648d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 039145d35260232d771f86df34d52912147d5ff5fcec65055ab1ee3eee04ef15
[INFO] running `Command { std: "docker" "start" "-a" "039145d35260232d771f86df34d52912147d5ff5fcec65055ab1ee3eee04ef15", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/oneshot.rs:436:22
[INFO] [stderr]     |
[INFO] [stderr] 436 |             let (tx, mut rx) = chan.split();
[INFO] [stderr]     |                      ----^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async-unsync` (lib test) generated 1 warning (run `cargo fix --lib -p async-unsync --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/async_unsync-e79248ea06ac2599)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test bounded::tests::cancel_recv ... ok
[INFO] [stdout] test bounded::tests::cancel_send ... ok
[INFO] [stdout] test bounded::tests::diverting_len_and_capacity ... ok
[INFO] [stdout] test bounded::tests::from_iter_less ... ok
[INFO] [stdout] test bounded::tests::from_iter_more ... ok
[INFO] [stdout] test bounded::tests::full ... ok
[INFO] [stdout] test bounded::tests::poll_out_of_order ... ok
[INFO] [stdout] test bounded::tests::poll_often ... ok
[INFO] [stdout] test bounded::tests::poll_out_of_order_drop ... ok
[INFO] [stdout] test bounded::tests::recv_split ... ok
[INFO] [stdout] test bounded::tests::reserve_and_cancel ... ok
[INFO] [stdout] test bounded::tests::reserve_and_close ... ok
[INFO] [stdout] test bounded::tests::send_vs_reserve ... ok
[INFO] [stdout] test oneshot::tests::recv ... ok
[INFO] [stdout] test oneshot::tests::split_twice ... ok
[INFO] [stdout] test bounded::tests::split_after_close ... ok
[INFO] [stdout] test bounded::tests::reserve_and_drop_permit ... ok
[INFO] [stdout] test semaphore::tests::acquire ... ok
[INFO] [stdout] test oneshot::tests::wake_on_close ... ok
[INFO] [stdout] test semaphore::tests::acquire_many ... ok
[INFO] [stdout] test semaphore::tests::forget_acquire_future ... ok
[INFO] [stdout] test semaphore::tests::acquire_never ... ok
[INFO] [stdout] test semaphore::tests::acquire_one ... ok
[INFO] [stdout] test semaphore::tests::cleanup ... ok
[INFO] [stdout] test semaphore::tests::cleanup_after_wake ... ok
[INFO] [stdout] test semaphore::tests::close ... ok
[INFO] [stdout] test semaphore::tests::return_outstanding_permit_on_cancel ... ok
[INFO] [stdout] test semaphore::tests::try_acquire_many ... ok
[INFO] [stdout] test semaphore::tests::try_acquire_one ... ok
[INFO] [stdout] test unbounded::tests::multiple_recv ... ok
[INFO] [stdout] test unbounded::tests::poll_recv ... ok
[INFO] [stdout] test semaphore::tests::poll_acquire_after_completion ... ok
[INFO] [stdout] test semaphore::tests::poll_future ... ok
[INFO] [stdout] test semaphore::tests::return_outstanding_permit_on_close ... ok
[INFO] [stdout] test unbounded::tests::recv_closed_split ... ok
[INFO] [stdout] test unbounded::tests::recv_split ... ok
[INFO] [stdout] test unbounded::tests::send_closed ... ok
[INFO] [stdout] test unbounded::tests::send_split ... ok
[INFO] [stdout] test unbounded::tests::split_after_close ... ok
[INFO] [stdout] test unbounded::tests::try_recv ... ok
[INFO] [stdout] test unbounded::tests::try_recv_closed ... ok
[INFO] [stdout] test unbounded::tests::try_recv_split ... ok
[INFO] [stdout] test unbounded::tests::use_after_split ... ok
[INFO] [stdout] test unbounded::tests::try_recv_closed_split ... ok
[INFO] [stdout] test unbounded::tests::send_closed_split ... ok
[INFO] [stdout] test unbounded::tests::recv ... ok
[INFO] [stdout] test bounded::tests::channel_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mpsc.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mpsc-2d86bd7e7b01efbe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mpsc ... 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] running `Command { std: "docker" "inspect" "039145d35260232d771f86df34d52912147d5ff5fcec65055ab1ee3eee04ef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039145d35260232d771f86df34d52912147d5ff5fcec65055ab1ee3eee04ef15", kill_on_drop: false }`
[INFO] [stdout] 039145d35260232d771f86df34d52912147d5ff5fcec65055ab1ee3eee04ef15