[INFO] fetching crate duplex 0.9.0...
[INFO] testing duplex-0.9.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate duplex 0.9.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate duplex 0.9.0 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 duplex 0.9.0
[INFO] finished tweaking crates.io crate duplex 0.9.0
[INFO] tweaked toml for crates.io crate duplex 0.9.0 written to /workspace/builds/worker-105/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] 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v0.4.3
[INFO] [stderr]   Downloaded char-device v0.9.0
[INFO] [stderr]   Downloaded duplexify v1.2.2
[INFO] [stderr]   Downloaded io-extras v0.12.2
[INFO] [stderr]   Downloaded socketpair v0.12.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.36
[INFO] [stderr]   Downloaded rustix v0.27.1
[INFO] [stderr]   Downloaded readwrite v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 86d4d9c6d08fd95d2d7a87f8cdd6557e552f81e940f2f867c40a595e099c07dd
[INFO] running `Command { std: "docker" "start" "-a" "86d4d9c6d08fd95d2d7a87f8cdd6557e552f81e940f2f867c40a595e099c07dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d4d9c6d08fd95d2d7a87f8cdd6557e552f81e940f2f867c40a595e099c07dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d4d9c6d08fd95d2d7a87f8cdd6557e552f81e940f2f867c40a595e099c07dd", kill_on_drop: false }`
[INFO] [stdout] 86d4d9c6d08fd95d2d7a87f8cdd6557e552f81e940f2f867c40a595e099c07dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] fd61067e81db5db0b9e85fd8aca64de896340578d5794455dee316d5b8b91e40
[INFO] running `Command { std: "docker" "start" "-a" "fd61067e81db5db0b9e85fd8aca64de896340578d5794455dee316d5b8b91e40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling duplex v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "fd61067e81db5db0b9e85fd8aca64de896340578d5794455dee316d5b8b91e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd61067e81db5db0b9e85fd8aca64de896340578d5794455dee316d5b8b91e40", kill_on_drop: false }`
[INFO] [stdout] fd61067e81db5db0b9e85fd8aca64de896340578d5794455dee316d5b8b91e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 5fc4d21f22efe53e13249de930d1da508c4c8a29c0717fb5e6fe25b335701397
[INFO] running `Command { std: "docker" "start" "-a" "5fc4d21f22efe53e13249de930d1da508c4c8a29c0717fb5e6fe25b335701397", kill_on_drop: false }`
[INFO] [stderr]    Compiling duplex v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "5fc4d21f22efe53e13249de930d1da508c4c8a29c0717fb5e6fe25b335701397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc4d21f22efe53e13249de930d1da508c4c8a29c0717fb5e6fe25b335701397", kill_on_drop: false }`
[INFO] [stdout] 5fc4d21f22efe53e13249de930d1da508c4c8a29c0717fb5e6fe25b335701397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 94fafd34d1c4cd8d9c39326031b4d6b834981dc843f11518a185944f07de6c6d
[INFO] running `Command { std: "docker" "start" "-a" "94fafd34d1c4cd8d9c39326031b4d6b834981dc843f11518a185944f07de6c6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/duplex-c6ba3d6b8eef10aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests duplex
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94fafd34d1c4cd8d9c39326031b4d6b834981dc843f11518a185944f07de6c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fafd34d1c4cd8d9c39326031b4d6b834981dc843f11518a185944f07de6c6d", kill_on_drop: false }`
[INFO] [stdout] 94fafd34d1c4cd8d9c39326031b4d6b834981dc843f11518a185944f07de6c6d