[INFO] fetching crate poll-promise 0.2.1...
[INFO] checking poll-promise-0.2.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305
[INFO] extracting crate poll-promise 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate poll-promise 0.2.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378bdb3466baf34c552d55695467f8cdb4c2ea2affa28ef266888ff678e5520a
[INFO] running `Command { std: "docker" "start" "-a" "378bdb3466baf34c552d55695467f8cdb4c2ea2affa28ef266888ff678e5520a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378bdb3466baf34c552d55695467f8cdb4c2ea2affa28ef266888ff678e5520a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378bdb3466baf34c552d55695467f8cdb4c2ea2affa28ef266888ff678e5520a", kill_on_drop: false }`
[INFO] [stdout] 378bdb3466baf34c552d55695467f8cdb4c2ea2affa28ef266888ff678e5520a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c1366dc98e0501334ea7c647e45d23326d60380a82937781dfa73d3de662b7
[INFO] running `Command { std: "docker" "start" "-a" "48c1366dc98e0501334ea7c647e45d23326d60380a82937781dfa73d3de662b7", kill_on_drop: false }`
[INFO] [stderr]     Checking poll-promise v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "48c1366dc98e0501334ea7c647e45d23326d60380a82937781dfa73d3de662b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c1366dc98e0501334ea7c647e45d23326d60380a82937781dfa73d3de662b7", kill_on_drop: false }`
[INFO] [stdout] 48c1366dc98e0501334ea7c647e45d23326d60380a82937781dfa73d3de662b7
[INFO] checking poll-promise-0.2.1 against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] extracting crate poll-promise 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate poll-promise 0.2.1 on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[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" "+44523379467bbd2050af931a040d10c2b764b443" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a121391221672de3d5ecc045bb2039634018b537219b25268225704a92d001f
[INFO] running `Command { std: "docker" "start" "-a" "4a121391221672de3d5ecc045bb2039634018b537219b25268225704a92d001f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a121391221672de3d5ecc045bb2039634018b537219b25268225704a92d001f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a121391221672de3d5ecc045bb2039634018b537219b25268225704a92d001f", kill_on_drop: false }`
[INFO] [stdout] 4a121391221672de3d5ecc045bb2039634018b537219b25268225704a92d001f
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063b6a2adbe66b461c5d3e8677a12c2e940a57dff62d5c1f424a7ded629293c9
[INFO] running `Command { std: "docker" "start" "-a" "063b6a2adbe66b461c5d3e8677a12c2e940a57dff62d5c1f424a7ded629293c9", kill_on_drop: false }`
[INFO] [stderr]     Checking poll-promise v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     future_incompatible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     |
[INFO] [stdout]     = note: `forbid` lint level is the default for where_clauses_object_safety
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     future_incompatible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     |
[INFO] [stdout]     = note: `forbid` lint level is the default for where_clauses_object_safety
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `poll-promise` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `poll-promise` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "063b6a2adbe66b461c5d3e8677a12c2e940a57dff62d5c1f424a7ded629293c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063b6a2adbe66b461c5d3e8677a12c2e940a57dff62d5c1f424a7ded629293c9", kill_on_drop: false }`
[INFO] [stdout] 063b6a2adbe66b461c5d3e8677a12c2e940a57dff62d5c1f424a7ded629293c9