[INFO] fetching crate poll-promise 0.2.1...
[INFO] testing poll-promise-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate poll-promise 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate poll-promise 0.2.1
[INFO] finished tweaking crates.io crate poll-promise 0.2.1
[INFO] tweaked toml for crates.io crate poll-promise 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poll-promise 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poll-promise 0.2.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb4b9dd534ec4494c84c0683fb0e942399875eaf1f16639ea261b6310e9f2b33
[INFO] running `Command { std: "docker" "start" "-a" "cb4b9dd534ec4494c84c0683fb0e942399875eaf1f16639ea261b6310e9f2b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4b9dd534ec4494c84c0683fb0e942399875eaf1f16639ea261b6310e9f2b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4b9dd534ec4494c84c0683fb0e942399875eaf1f16639ea261b6310e9f2b33", kill_on_drop: false }`
[INFO] [stdout] cb4b9dd534ec4494c84c0683fb0e942399875eaf1f16639ea261b6310e9f2b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9dc6a10a7dccd9c63577eb079a22e88346946c5edf56245f35cbb850ed6c6aa
[INFO] running `Command { std: "docker" "start" "-a" "f9dc6a10a7dccd9c63577eb079a22e88346946c5edf56245f35cbb850ed6c6aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling poll-promise v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "f9dc6a10a7dccd9c63577eb079a22e88346946c5edf56245f35cbb850ed6c6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9dc6a10a7dccd9c63577eb079a22e88346946c5edf56245f35cbb850ed6c6aa", kill_on_drop: false }`
[INFO] [stdout] f9dc6a10a7dccd9c63577eb079a22e88346946c5edf56245f35cbb850ed6c6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 969ca472c1b7b2016fbbbb96be155da98f5a0f309beaf46b4a3f260fdc5e7df8
[INFO] running `Command { std: "docker" "start" "-a" "969ca472c1b7b2016fbbbb96be155da98f5a0f309beaf46b4a3f260fdc5e7df8", kill_on_drop: false }`
[INFO] [stderr]    Compiling poll-promise v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "969ca472c1b7b2016fbbbb96be155da98f5a0f309beaf46b4a3f260fdc5e7df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969ca472c1b7b2016fbbbb96be155da98f5a0f309beaf46b4a3f260fdc5e7df8", kill_on_drop: false }`
[INFO] [stdout] 969ca472c1b7b2016fbbbb96be155da98f5a0f309beaf46b4a3f260fdc5e7df8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bbbef7299ec66eb84928f4430d816a1b2ac51458a7a405708cb81e000fd7dca
[INFO] running `Command { std: "docker" "start" "-a" "7bbbef7299ec66eb84928f4430d816a1b2ac51458a7a405708cb81e000fd7dca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poll_promise-d7b77470a99f67ce)
[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 poll_promise
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/promise.rs - promise::Promise<T>::spawn_thread (line 179) ... ok
[INFO] [stdout] test src/promise.rs - promise::Promise (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bbbef7299ec66eb84928f4430d816a1b2ac51458a7a405708cb81e000fd7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbbef7299ec66eb84928f4430d816a1b2ac51458a7a405708cb81e000fd7dca", kill_on_drop: false }`
[INFO] [stdout] 7bbbef7299ec66eb84928f4430d816a1b2ac51458a7a405708cb81e000fd7dca