[INFO] fetching crate reduce 0.1.5+deprecated...
[INFO] checking reduce-0.1.5+deprecated against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate reduce 0.1.5+deprecated into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate reduce 0.1.5+deprecated
[INFO] finished tweaking crates.io crate reduce 0.1.5+deprecated
[INFO] tweaked toml for crates.io crate reduce 0.1.5+deprecated written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduce 0.1.5+deprecated on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a165548d2351d3527022c618e7a7f520f58dac6674653ea5580df71a3dca617
[INFO] running `Command { std: "docker" "start" "-a" "4a165548d2351d3527022c618e7a7f520f58dac6674653ea5580df71a3dca617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a165548d2351d3527022c618e7a7f520f58dac6674653ea5580df71a3dca617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a165548d2351d3527022c618e7a7f520f58dac6674653ea5580df71a3dca617", kill_on_drop: false }`
[INFO] [stdout] 4a165548d2351d3527022c618e7a7f520f58dac6674653ea5580df71a3dca617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f637cebdb595a234e7803f4cba9a59fcc92dffce9437fb4667f7b9fa32958de9
[INFO] running `Command { std: "docker" "start" "-a" "f637cebdb595a234e7803f4cba9a59fcc92dffce9437fb4667f7b9fa32958de9", kill_on_drop: false }`
[INFO] [stderr]     Checking reduce v0.1.5+deprecated (/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 `Reduce` for the type `I`
[INFO] [stdout]   = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 6 +     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]   |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 6 +     let sum = Iterator::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 `Reduce` for the type `I`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 13 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 13 +     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 13 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 13 +     let sum = Iterator::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 `Reduce` for the type `I`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 20 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 20 +     let sum = Reduce::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 20 -     let sum = v.into_iter().reduce(|a, b| a + b);
[INFO] [stdout] 20 +     let sum = Iterator::reduce(v.into_iter(), |a, b| a + b);
[INFO] [stdout]    |
[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` (test "test") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f637cebdb595a234e7803f4cba9a59fcc92dffce9437fb4667f7b9fa32958de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f637cebdb595a234e7803f4cba9a59fcc92dffce9437fb4667f7b9fa32958de9", kill_on_drop: false }`
[INFO] [stdout] f637cebdb595a234e7803f4cba9a59fcc92dffce9437fb4667f7b9fa32958de9