[INFO] fetching crate reduce 0.1.4...
[INFO] testing reduce-0.1.4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate reduce 0.1.4 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate reduce 0.1.4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reduce 0.1.4
[INFO] finished tweaking crates.io crate reduce 0.1.4
[INFO] tweaked toml for crates.io crate reduce 0.1.4 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c507d53b26f7c9b85f23b4b6e6ebf5ff8a3e18a50439b68776004e41457f4084
[INFO] running `Command { std: "docker" "start" "-a" "c507d53b26f7c9b85f23b4b6e6ebf5ff8a3e18a50439b68776004e41457f4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c507d53b26f7c9b85f23b4b6e6ebf5ff8a3e18a50439b68776004e41457f4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c507d53b26f7c9b85f23b4b6e6ebf5ff8a3e18a50439b68776004e41457f4084", kill_on_drop: false }`
[INFO] [stdout] c507d53b26f7c9b85f23b4b6e6ebf5ff8a3e18a50439b68776004e41457f4084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44b4aa0229b35534aeffc45e2bcc5c0d99ecbb8140ed5e9cc96cdb280626768
[INFO] running `Command { std: "docker" "start" "-a" "d44b4aa0229b35534aeffc45e2bcc5c0d99ecbb8140ed5e9cc96cdb280626768", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduce v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d44b4aa0229b35534aeffc45e2bcc5c0d99ecbb8140ed5e9cc96cdb280626768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44b4aa0229b35534aeffc45e2bcc5c0d99ecbb8140ed5e9cc96cdb280626768", kill_on_drop: false }`
[INFO] [stdout] d44b4aa0229b35534aeffc45e2bcc5c0d99ecbb8140ed5e9cc96cdb280626768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] decf3c02282cb9f571f6055c7a24b0c5b394732a41dee9f25eadc1a67fea3bfe
[INFO] running `Command { std: "docker" "start" "-a" "decf3c02282cb9f571f6055c7a24b0c5b394732a41dee9f25eadc1a67fea3bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduce v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]  --> tests/test.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout]   |                             ^^^^^^ multiple `reduce` found
[INFO] [stdout]   |
[INFO] [stdout]   = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout]   = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let sum = Iterator::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]   |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]   |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> tests/test.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout]    |                             ^^^^^^ multiple `reduce` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let sum = Iterator::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> tests/test.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout]    |                             ^^^^^^ multiple `reduce` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let sum = Iterator::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]  --> tests/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reduce::Reduce;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning 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 `reduce` due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "decf3c02282cb9f571f6055c7a24b0c5b394732a41dee9f25eadc1a67fea3bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decf3c02282cb9f571f6055c7a24b0c5b394732a41dee9f25eadc1a67fea3bfe", kill_on_drop: false }`
[INFO] [stdout] decf3c02282cb9f571f6055c7a24b0c5b394732a41dee9f25eadc1a67fea3bfe