[INFO] fetching crate async-ringbuffer 0.5.5...
[INFO] testing async-ringbuffer-0.5.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-ringbuffer 0.5.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] finished tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] tweaked toml for crates.io crate async-ringbuffer 0.5.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-ringbuffer 0.5.5 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 17 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] 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] 563e012b4618936ac84dbe024ee8c144f9914220ca306c8c4fff0b6ceea314b7
[INFO] running `Command { std: "docker" "start" "-a" "563e012b4618936ac84dbe024ee8c144f9914220ca306c8c4fff0b6ceea314b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563e012b4618936ac84dbe024ee8c144f9914220ca306c8c4fff0b6ceea314b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563e012b4618936ac84dbe024ee8c144f9914220ca306c8c4fff0b6ceea314b7", kill_on_drop: false }`
[INFO] [stdout] 563e012b4618936ac84dbe024ee8c144f9914220ca306c8c4fff0b6ceea314b7
[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] 4daf6a9c4a6bc0c26a1764e3aabb1c704bbe98fbac67d298cbaef9e1ff67ec58
[INFO] running `Command { std: "docker" "start" "-a" "4daf6a9c4a6bc0c26a1764e3aabb1c704bbe98fbac67d298cbaef9e1ff67ec58", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling async-ringbuffer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4daf6a9c4a6bc0c26a1764e3aabb1c704bbe98fbac67d298cbaef9e1ff67ec58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daf6a9c4a6bc0c26a1764e3aabb1c704bbe98fbac67d298cbaef9e1ff67ec58", kill_on_drop: false }`
[INFO] [stdout] 4daf6a9c4a6bc0c26a1764e3aabb1c704bbe98fbac67d298cbaef9e1ff67ec58
[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] 7ad747bb0a6473a80c03643d9589e8c41cc93e52ef3b5f1a77d27c060cf770f1
[INFO] running `Command { std: "docker" "start" "-a" "7ad747bb0a6473a80c03643d9589e8c41cc93e52ef3b5f1a77d27c060cf770f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-ringbuffer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "7ad747bb0a6473a80c03643d9589e8c41cc93e52ef3b5f1a77d27c060cf770f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad747bb0a6473a80c03643d9589e8c41cc93e52ef3b5f1a77d27c060cf770f1", kill_on_drop: false }`
[INFO] [stdout] 7ad747bb0a6473a80c03643d9589e8c41cc93e52ef3b5f1a77d27c060cf770f1
[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] dbf36419410e603efbbb1d08e33b931db271dc25795ace851c6a504b03d2b135
[INFO] running `Command { std: "docker" "start" "-a" "dbf36419410e603efbbb1d08e33b931db271dc25795ace851c6a504b03d2b135", kill_on_drop: false }`
[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_ringbuffer-7524e8804300a66d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test duplex::tests::back_and_forth ... ok
[INFO] [stdout] test tests::close ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::panic_on_capacity_too_large - should panic ... ok
[INFO] [stdout] test tests::panic_on_capacity_0 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbf36419410e603efbbb1d08e33b931db271dc25795ace851c6a504b03d2b135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf36419410e603efbbb1d08e33b931db271dc25795ace851c6a504b03d2b135", kill_on_drop: false }`
[INFO] [stdout] dbf36419410e603efbbb1d08e33b931db271dc25795ace851c6a504b03d2b135