[INFO] fetching crate io-mux 1.4.0...
[INFO] testing io-mux-1.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate io-mux 1.4.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate io-mux 1.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-mux 1.4.0
[INFO] finished tweaking crates.io crate io-mux 1.4.0
[INFO] tweaked toml for crates.io crate io-mux 1.4.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc7f02914532089839cf42fe41e7aac060939a596ea8d8b09b514381e24be09
[INFO] running `Command { std: "docker" "start" "-a" "bdc7f02914532089839cf42fe41e7aac060939a596ea8d8b09b514381e24be09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc7f02914532089839cf42fe41e7aac060939a596ea8d8b09b514381e24be09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc7f02914532089839cf42fe41e7aac060939a596ea8d8b09b514381e24be09", kill_on_drop: false }`
[INFO] [stdout] bdc7f02914532089839cf42fe41e7aac060939a596ea8d8b09b514381e24be09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be6a2b0af4b40ff72b28632f39858feaba440be3766be5c4b379f7307b47270a
[INFO] running `Command { std: "docker" "start" "-a" "be6a2b0af4b40ff72b28632f39858feaba440be3766be5c4b379f7307b47270a", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling io-mux v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "be6a2b0af4b40ff72b28632f39858feaba440be3766be5c4b379f7307b47270a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6a2b0af4b40ff72b28632f39858feaba440be3766be5c4b379f7307b47270a", kill_on_drop: false }`
[INFO] [stdout] be6a2b0af4b40ff72b28632f39858feaba440be3766be5c4b379f7307b47270a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359a26fa957fa334dd1f52ded321631d66f9a25707b9d9bf8a5ea757103a3466
[INFO] running `Command { std: "docker" "start" "-a" "359a26fa957fa334dd1f52ded321631d66f9a25707b9d9bf8a5ea757103a3466", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling io-mux v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.72s
[INFO] running `Command { std: "docker" "inspect" "359a26fa957fa334dd1f52ded321631d66f9a25707b9d9bf8a5ea757103a3466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359a26fa957fa334dd1f52ded321631d66f9a25707b9d9bf8a5ea757103a3466", kill_on_drop: false }`
[INFO] [stdout] 359a26fa957fa334dd1f52ded321631d66f9a25707b9d9bf8a5ea757103a3466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4689e31afd2feb437e5c5ac6fa30cbb109a2b77d85ced8ca57ab749e353eaad
[INFO] running `Command { std: "docker" "start" "-a" "b4689e31afd2feb437e5c5ac6fa30cbb109a2b77d85ced8ca57ab749e353eaad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_mux-ff6a7f49380d35de)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_path_separator ... 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] [stderr]    Doc-tests io-mux
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4689e31afd2feb437e5c5ac6fa30cbb109a2b77d85ced8ca57ab749e353eaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4689e31afd2feb437e5c5ac6fa30cbb109a2b77d85ced8ca57ab749e353eaad", kill_on_drop: false }`
[INFO] [stdout] b4689e31afd2feb437e5c5ac6fa30cbb109a2b77d85ced8ca57ab749e353eaad