[INFO] fetching crate futures-turnstyle 3.0.0...
[INFO] testing futures-turnstyle-3.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-turnstyle 3.0.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate futures-turnstyle 3.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-turnstyle 3.0.0
[INFO] finished tweaking crates.io crate futures-turnstyle 3.0.0
[INFO] tweaked toml for crates.io crate futures-turnstyle 3.0.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b43c7270d6228abf0b7fb5f93a103a2b48995fbb2ecabd276f2b35297152235
[INFO] running `Command { std: "docker" "start" "-a" "8b43c7270d6228abf0b7fb5f93a103a2b48995fbb2ecabd276f2b35297152235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b43c7270d6228abf0b7fb5f93a103a2b48995fbb2ecabd276f2b35297152235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b43c7270d6228abf0b7fb5f93a103a2b48995fbb2ecabd276f2b35297152235", kill_on_drop: false }`
[INFO] [stdout] 8b43c7270d6228abf0b7fb5f93a103a2b48995fbb2ecabd276f2b35297152235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2f49d43f5702986885f7db79a49b0059b7d8e2bdf87e2a141d080a2a22a69a
[INFO] running `Command { std: "docker" "start" "-a" "0a2f49d43f5702986885f7db79a49b0059b7d8e2bdf87e2a141d080a2a22a69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-turnstyle v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "0a2f49d43f5702986885f7db79a49b0059b7d8e2bdf87e2a141d080a2a22a69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2f49d43f5702986885f7db79a49b0059b7d8e2bdf87e2a141d080a2a22a69a", kill_on_drop: false }`
[INFO] [stdout] 0a2f49d43f5702986885f7db79a49b0059b7d8e2bdf87e2a141d080a2a22a69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5384498d7585127d37693bc7f8ffb014de210faf9fad5e0970a3bbe33e12d431
[INFO] running `Command { std: "docker" "start" "-a" "5384498d7585127d37693bc7f8ffb014de210faf9fad5e0970a3bbe33e12d431", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-turnstyle v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "5384498d7585127d37693bc7f8ffb014de210faf9fad5e0970a3bbe33e12d431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5384498d7585127d37693bc7f8ffb014de210faf9fad5e0970a3bbe33e12d431", kill_on_drop: false }`
[INFO] [stdout] 5384498d7585127d37693bc7f8ffb014de210faf9fad5e0970a3bbe33e12d431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 534682e97a19db79f1f90da41c22f9410c24e0f82c153f054adcf77be52431f1
[INFO] running `Command { std: "docker" "start" "-a" "534682e97a19db79f1f90da41c22f9410c24e0f82c153f054adcf77be52431f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_turnstyle-f54e861395730aab)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::multiple_waiters ... ok
[INFO] [stdout] test tests::on_drop ... ok
[INFO] [stdout] test tests::single_waiter ... ok
[INFO] [stdout] test tests::versions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-turnstyle
[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" "534682e97a19db79f1f90da41c22f9410c24e0f82c153f054adcf77be52431f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534682e97a19db79f1f90da41c22f9410c24e0f82c153f054adcf77be52431f1", kill_on_drop: false }`
[INFO] [stdout] 534682e97a19db79f1f90da41c22f9410c24e0f82c153f054adcf77be52431f1