[INFO] fetching crate io-mux 2.2.1...
[INFO] testing io-mux-2.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate io-mux 2.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate io-mux 2.2.1
[INFO] finished tweaking crates.io crate io-mux 2.2.1
[INFO] tweaked toml for crates.io crate io-mux 2.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-mux 2.2.1 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] crate crates.io crate io-mux 2.2.1 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.17.1
[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] 7354d68c0bfd3d0c7d950455fb4455bea0c762a346f294a0042e6f0069b65e06
[INFO] running `Command { std: "docker" "start" "-a" "7354d68c0bfd3d0c7d950455fb4455bea0c762a346f294a0042e6f0069b65e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7354d68c0bfd3d0c7d950455fb4455bea0c762a346f294a0042e6f0069b65e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7354d68c0bfd3d0c7d950455fb4455bea0c762a346f294a0042e6f0069b65e06", kill_on_drop: false }`
[INFO] [stdout] 7354d68c0bfd3d0c7d950455fb4455bea0c762a346f294a0042e6f0069b65e06
[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] ec524e08dca9beb994e7f55e3695037be95a6768c1dd0b07fea74b5279bd0a0b
[INFO] running `Command { std: "docker" "start" "-a" "ec524e08dca9beb994e7f55e3695037be95a6768c1dd0b07fea74b5279bd0a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]    Compiling io-mux v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "ec524e08dca9beb994e7f55e3695037be95a6768c1dd0b07fea74b5279bd0a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec524e08dca9beb994e7f55e3695037be95a6768c1dd0b07fea74b5279bd0a0b", kill_on_drop: false }`
[INFO] [stdout] ec524e08dca9beb994e7f55e3695037be95a6768c1dd0b07fea74b5279bd0a0b
[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] bcbacecb588794ee4bcd7ccebe85830b1638db53c48e82d58052e2b67549ff93
[INFO] running `Command { std: "docker" "start" "-a" "bcbacecb588794ee4bcd7ccebe85830b1638db53c48e82d58052e2b67549ff93", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling io-mux v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-signal v0.2.10
[INFO] [stderr]    Compiling async-process v2.3.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "bcbacecb588794ee4bcd7ccebe85830b1638db53c48e82d58052e2b67549ff93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbacecb588794ee4bcd7ccebe85830b1638db53c48e82d58052e2b67549ff93", kill_on_drop: false }`
[INFO] [stdout] bcbacecb588794ee4bcd7ccebe85830b1638db53c48e82d58052e2b67549ff93
[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] 8ede252b213fbbf9c2f5f6fb53c6cf9f20c50c766704d8ddee6719a3ddfb16b7
[INFO] running `Command { std: "docker" "start" "-a" "8ede252b213fbbf9c2f5f6fb53c6cf9f20c50c766704d8ddee6719a3ddfb16b7", kill_on_drop: false }`
[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/io_mux-bb9214f242f8a1d0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_abstract ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test test::test_new_in ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ede252b213fbbf9c2f5f6fb53c6cf9f20c50c766704d8ddee6719a3ddfb16b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ede252b213fbbf9c2f5f6fb53c6cf9f20c50c766704d8ddee6719a3ddfb16b7", kill_on_drop: false }`
[INFO] [stdout] 8ede252b213fbbf9c2f5f6fb53c6cf9f20c50c766704d8ddee6719a3ddfb16b7