[INFO] fetching crate futures-poll-log 1.0.1...
[INFO] testing futures-poll-log-1.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate futures-poll-log 1.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate futures-poll-log 1.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-poll-log 1.0.1
[INFO] finished tweaking crates.io crate futures-poll-log 1.0.1
[INFO] tweaked toml for crates.io crate futures-poll-log 1.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6af5e1afcb6d38643f8c4ee2d0a82e9258a4d4b31292b4db171734f2e717cc50
[INFO] running `Command { std: "docker" "start" "-a" "6af5e1afcb6d38643f8c4ee2d0a82e9258a4d4b31292b4db171734f2e717cc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af5e1afcb6d38643f8c4ee2d0a82e9258a4d4b31292b4db171734f2e717cc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af5e1afcb6d38643f8c4ee2d0a82e9258a4d4b31292b4db171734f2e717cc50", kill_on_drop: false }`
[INFO] [stdout] 6af5e1afcb6d38643f8c4ee2d0a82e9258a4d4b31292b4db171734f2e717cc50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f68ee2583570bdc29079594d3752b761f77b72f9141af0689f21bb28ba634754
[INFO] running `Command { std: "docker" "start" "-a" "f68ee2583570bdc29079594d3752b761f77b72f9141af0689f21bb28ba634754", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling futures-poll-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "f68ee2583570bdc29079594d3752b761f77b72f9141af0689f21bb28ba634754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68ee2583570bdc29079594d3752b761f77b72f9141af0689f21bb28ba634754", kill_on_drop: false }`
[INFO] [stdout] f68ee2583570bdc29079594d3752b761f77b72f9141af0689f21bb28ba634754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65db8e8478340d3531a9f6e4bf54426aded1e09b9d9b640dcfc061eae416956f
[INFO] running `Command { std: "docker" "start" "-a" "65db8e8478340d3531a9f6e4bf54426aded1e09b9d9b640dcfc061eae416956f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-poll-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> examples/simple_future.rs:18:10
[INFO] [stdout]      |
[INFO] [stdout] 18   |         .inspect("immeditate future")
[INFO] [stdout]      |          ^^^^^^^ multiple `inspect` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `futures::Future` for the type `Failed<T, E>`
[INFO] [stdout]      = note: candidate #2 is defined in an impl of the trait `LoggingExt` for the type `F`
[INFO] [stdout] note: candidate #3 is defined in the trait `Iterator`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 17   |     let _: Result<i32, _> = futures::Future::inspect(futures::future::ok(3), "immeditate future")
[INFO] [stdout]      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 17   |     let _: Result<i32, _> = LoggingExt::inspect(futures::future::ok(3), "immeditate future")
[INFO] [stdout]      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #3
[INFO] [stdout]      |
[INFO] [stdout] 17   |     let _: Result<i32, _> = Iterator::inspect(futures::future::ok(3), "immeditate future")
[INFO] [stdout]      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_poll_log::LoggingExt`
[INFO] [stdout]  --> examples/simple_future.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_poll_log::LoggingExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> examples/simple_future.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-poll-log` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "65db8e8478340d3531a9f6e4bf54426aded1e09b9d9b640dcfc061eae416956f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65db8e8478340d3531a9f6e4bf54426aded1e09b9d9b640dcfc061eae416956f", kill_on_drop: false }`
[INFO] [stdout] 65db8e8478340d3531a9f6e4bf54426aded1e09b9d9b640dcfc061eae416956f