[INFO] cloning repository https://github.com/ReiRokusanami0010/rust_iterator_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ReiRokusanami0010/rust_iterator_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiRokusanami0010%2Frust_iterator_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiRokusanami0010%2Frust_iterator_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01bc523783dede3108176d624e1c246f8d8f2b09
[INFO] checking ReiRokusanami0010/rust_iterator_playground against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiRokusanami0010%2Frust_iterator_playground" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ReiRokusanami0010/rust_iterator_playground on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ReiRokusanami0010/rust_iterator_playground
[INFO] finished tweaking git repo https://github.com/ReiRokusanami0010/rust_iterator_playground
[INFO] tweaked toml for git repo https://github.com/ReiRokusanami0010/rust_iterator_playground written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ReiRokusanami0010/rust_iterator_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42c11777e71657bb1f03928c3f7b9eaa694364a08cbcaf6ae0a2d4e14389676
[INFO] running `Command { std: "docker" "start" "-a" "d42c11777e71657bb1f03928c3f7b9eaa694364a08cbcaf6ae0a2d4e14389676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42c11777e71657bb1f03928c3f7b9eaa694364a08cbcaf6ae0a2d4e14389676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42c11777e71657bb1f03928c3f7b9eaa694364a08cbcaf6ae0a2d4e14389676", kill_on_drop: false }`
[INFO] [stdout] d42c11777e71657bb1f03928c3f7b9eaa694364a08cbcaf6ae0a2d4e14389676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c450ed27c43297f72520c9152a3ad41838428fe085513e9f1dd89b89eb2b1ac
[INFO] running `Command { std: "docker" "start" "-a" "6c450ed27c43297f72520c9152a3ad41838428fe085513e9f1dd89b89eb2b1ac", kill_on_drop: false }`
[INFO] [stderr]     Checking iterator_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `Vec<Channel>` cannot be built from an iterator over elements of type `ChannelStrId`
[INFO] [stdout]   --> src/main.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 .collect::<Vec<Channel>>())
[INFO] [stdout]    |                  ^^^^^^^ value of type `Vec<Channel>` cannot be built from `std::iter::Iterator<Item=ChannelStrId>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<ChannelStrId>` is not implemented for `Vec<Channel>`
[INFO] [stdout]    = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]   --> src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .map(|config| config.get_channels().iter()
[INFO] [stdout]    |                           ------                ------ `Iterator::Item` is `&Channel` here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this expression has type `&Config`
[INFO] [stdout] 48 |                 .map(Channel::as_channel_a_id)
[INFO] [stdout]    |                  ----------------------------- `Iterator::Item` changed to `Option<ChannelStrId>` here
[INFO] [stdout] 49 |                 .filter(Option::is_some)
[INFO] [stdout]    |                  ----------------------- `Iterator::Item` remains `Option<ChannelStrId>` here
[INFO] [stdout] 50 |                 .map(Option::unwrap)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ `Iterator::Item` changed to `ChannelStrId` here
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/iter/traits/iterator.rs:1891:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<Channel>` cannot be built from an iterator over elements of type `ChannelStrId`
[INFO] [stdout]   --> src/main.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 .collect::<Vec<Channel>>())
[INFO] [stdout]    |                  ^^^^^^^ value of type `Vec<Channel>` cannot be built from `std::iter::Iterator<Item=ChannelStrId>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<ChannelStrId>` is not implemented for `Vec<Channel>`
[INFO] [stdout]    = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]   --> src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .map(|config| config.get_channels().iter()
[INFO] [stdout]    |                           ------                ------ `Iterator::Item` is `&Channel` here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this expression has type `&Config`
[INFO] [stdout] 48 |                 .map(Channel::as_channel_a_id)
[INFO] [stdout]    |                  ----------------------------- `Iterator::Item` changed to `Option<ChannelStrId>` here
[INFO] [stdout] 49 |                 .filter(Option::is_some)
[INFO] [stdout]    |                  ----------------------- `Iterator::Item` remains `Option<ChannelStrId>` here
[INFO] [stdout] 50 |                 .map(Option::unwrap)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ `Iterator::Item` changed to `ChannelStrId` here
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/iter/traits/iterator.rs:1891:5
[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 E0277`.
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iterator_playground` (bin "iterator_playground" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `iterator_playground` (bin "iterator_playground") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c450ed27c43297f72520c9152a3ad41838428fe085513e9f1dd89b89eb2b1ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c450ed27c43297f72520c9152a3ad41838428fe085513e9f1dd89b89eb2b1ac", kill_on_drop: false }`
[INFO] [stdout] 6c450ed27c43297f72520c9152a3ad41838428fe085513e9f1dd89b89eb2b1ac
