[INFO] fetching crate stratum-client 0.9.19...
[INFO] testing stratum-client-0.9.19 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate stratum-client 0.9.19 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate stratum-client 0.9.19
[INFO] finished tweaking crates.io crate stratum-client 0.9.19
[INFO] tweaked toml for crates.io crate stratum-client 0.9.19 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stratum-client 0.9.19 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fef1d4c50316ed37bff904e6b8a102b08dbcafdd14eaea20957f4965fd7726d
[INFO] running `Command { std: "docker" "start" "-a" "7fef1d4c50316ed37bff904e6b8a102b08dbcafdd14eaea20957f4965fd7726d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fef1d4c50316ed37bff904e6b8a102b08dbcafdd14eaea20957f4965fd7726d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fef1d4c50316ed37bff904e6b8a102b08dbcafdd14eaea20957f4965fd7726d", kill_on_drop: false }`
[INFO] [stdout] 7fef1d4c50316ed37bff904e6b8a102b08dbcafdd14eaea20957f4965fd7726d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d0ca6c1e8ef27319e0f0f08d0239fffafc8645605d39b2fb4cd4818d435977
[INFO] running `Command { std: "docker" "start" "-a" "25d0ca6c1e8ef27319e0f0f08d0239fffafc8645605d39b2fb4cd4818d435977", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]    Compiling stratum-types v0.9.25
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling stratum-client v0.9.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "25d0ca6c1e8ef27319e0f0f08d0239fffafc8645605d39b2fb4cd4818d435977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d0ca6c1e8ef27319e0f0f08d0239fffafc8645605d39b2fb4cd4818d435977", kill_on_drop: false }`
[INFO] [stdout] 25d0ca6c1e8ef27319e0f0f08d0239fffafc8645605d39b2fb4cd4818d435977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265406f8fe0756453c1e8fef8cca30f8cfec68b10b0b182c34676d9178f8e6df
[INFO] running `Command { std: "docker" "start" "-a" "265406f8fe0756453c1e8fef8cca30f8cfec68b10b0b182c34676d9178f8e6df", kill_on_drop: false }`
[INFO] [stderr]    Compiling stratum-client v0.9.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "265406f8fe0756453c1e8fef8cca30f8cfec68b10b0b182c34676d9178f8e6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265406f8fe0756453c1e8fef8cca30f8cfec68b10b0b182c34676d9178f8e6df", kill_on_drop: false }`
[INFO] [stdout] 265406f8fe0756453c1e8fef8cca30f8cfec68b10b0b182c34676d9178f8e6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c29febdc79d779e4563d73186f125e23a40da52ce79eea68191b6fc7c3de70d3
[INFO] running `Command { std: "docker" "start" "-a" "c29febdc79d779e4563d73186f125e23a40da52ce79eea68191b6fc7c3de70d3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stratum_client-9ce91b719104d52c)
[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]      Running tests/client-stratum-test.rs (/opt/rustwide/target/debug/deps/client_stratum_test-f8893d69ddf0bc4e)
[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 stratum_client
[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" "c29febdc79d779e4563d73186f125e23a40da52ce79eea68191b6fc7c3de70d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29febdc79d779e4563d73186f125e23a40da52ce79eea68191b6fc7c3de70d3", kill_on_drop: false }`
[INFO] [stdout] c29febdc79d779e4563d73186f125e23a40da52ce79eea68191b6fc7c3de70d3