[INFO] fetching crate d2_iterators_rychan14 0.1.0...
[INFO] testing d2_iterators_rychan14-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate d2_iterators_rychan14 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate d2_iterators_rychan14 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate d2_iterators_rychan14 0.1.0
[INFO] finished tweaking crates.io crate d2_iterators_rychan14 0.1.0
[INFO] tweaked toml for crates.io crate d2_iterators_rychan14 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate d2_iterators_rychan14 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcdf68951afc572002da6476f659d34937ea41b23ac3b8b09e34304cd112ba0b
[INFO] running `Command { std: "docker" "start" "-a" "dcdf68951afc572002da6476f659d34937ea41b23ac3b8b09e34304cd112ba0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcdf68951afc572002da6476f659d34937ea41b23ac3b8b09e34304cd112ba0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdf68951afc572002da6476f659d34937ea41b23ac3b8b09e34304cd112ba0b", kill_on_drop: false }`
[INFO] [stdout] dcdf68951afc572002da6476f659d34937ea41b23ac3b8b09e34304cd112ba0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45d617c8bd72109e669b3527039b640295115e37eab8ede61dc7d9993cf3968
[INFO] running `Command { std: "docker" "start" "-a" "d45d617c8bd72109e669b3527039b640295115e37eab8ede61dc7d9993cf3968", kill_on_drop: false }`
[INFO] [stderr]    Compiling d2_iterators_rychan14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "d45d617c8bd72109e669b3527039b640295115e37eab8ede61dc7d9993cf3968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45d617c8bd72109e669b3527039b640295115e37eab8ede61dc7d9993cf3968", kill_on_drop: false }`
[INFO] [stdout] d45d617c8bd72109e669b3527039b640295115e37eab8ede61dc7d9993cf3968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a424e77ec74786c2ec6b0c933bf01aaa2bac5e4dabbb3afd8aba3af2e71334
[INFO] running `Command { std: "docker" "start" "-a" "45a424e77ec74786c2ec6b0c933bf01aaa2bac5e4dabbb3afd8aba3af2e71334", kill_on_drop: false }`
[INFO] [stderr]    Compiling d2_iterators_rychan14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/combi.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let v: Vec<&str> = s.split(" ").intersperse(",").collect();
[INFO] [stdout]    |                                         ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::str::Split<'a, P>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let v: Vec<&str> = Iterator::intersperse(s.split(" "), ",").collect();
[INFO] [stdout]    |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let v: Vec<&str> = Itertools::intersperse(s.split(" "), ",").collect();
[INFO] [stdout]    |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `d2_iterators_rychan14` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "45a424e77ec74786c2ec6b0c933bf01aaa2bac5e4dabbb3afd8aba3af2e71334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a424e77ec74786c2ec6b0c933bf01aaa2bac5e4dabbb3afd8aba3af2e71334", kill_on_drop: false }`
[INFO] [stdout] 45a424e77ec74786c2ec6b0c933bf01aaa2bac5e4dabbb3afd8aba3af2e71334