[INFO] fetching crate futures-poll-log 1.0.1...
[INFO] checking futures-poll-log-1.0.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate futures-poll-log 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate futures-poll-log 1.0.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876dab53fef967a6414d3c2ad790f1d7139171b11b372543ae8773e5c7266d82
[INFO] running `Command { std: "docker" "start" "-a" "876dab53fef967a6414d3c2ad790f1d7139171b11b372543ae8773e5c7266d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876dab53fef967a6414d3c2ad790f1d7139171b11b372543ae8773e5c7266d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876dab53fef967a6414d3c2ad790f1d7139171b11b372543ae8773e5c7266d82", kill_on_drop: false }`
[INFO] [stdout] 876dab53fef967a6414d3c2ad790f1d7139171b11b372543ae8773e5c7266d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7b72f760a66c753f3d26a02c9a7b0b474ded7d4469a287445b1db7baae824a
[INFO] running `Command { std: "docker" "start" "-a" "2e7b72f760a66c753f3d26a02c9a7b0b474ded7d4469a287445b1db7baae824a", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking 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 the trait `Iterator`
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/iter/traits/iterator.rs:1852:5
[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 an impl of the trait `futures::Future` for the type `Failed<T, E>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _: Result<i32, _> = Iterator::inspect(futures::future::ok(3), "immeditate future")
[INFO] [stdout]    |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the method 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 method for candidate #3
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _: Result<i32, _> = futures::Future::inspect(futures::future::ok(3), "immeditate future")
[INFO] [stdout]    |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-poll-log` (example "simple_future") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e7b72f760a66c753f3d26a02c9a7b0b474ded7d4469a287445b1db7baae824a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7b72f760a66c753f3d26a02c9a7b0b474ded7d4469a287445b1db7baae824a", kill_on_drop: false }`
[INFO] [stdout] 2e7b72f760a66c753f3d26a02c9a7b0b474ded7d4469a287445b1db7baae824a