[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] testing ReiRokusanami0010/rust_iterator_playground against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiRokusanami0010%2Frust_iterator_playground" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ReiRokusanami0010/rust_iterator_playground on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-1/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f40d4125703322a3cfb45a309b2a6171b42765eb8fd7882967b5d909c62a361
[INFO] running `Command { std: "docker" "start" "-a" "0f40d4125703322a3cfb45a309b2a6171b42765eb8fd7882967b5d909c62a361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f40d4125703322a3cfb45a309b2a6171b42765eb8fd7882967b5d909c62a361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f40d4125703322a3cfb45a309b2a6171b42765eb8fd7882967b5d909c62a361", kill_on_drop: false }`
[INFO] [stdout] 0f40d4125703322a3cfb45a309b2a6171b42765eb8fd7882967b5d909c62a361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e91cf3d0ebf8d0238c477694a98d84fb47ef69a49d1cff640d8a1e75a7d4b12
[INFO] running `Command { std: "docker" "start" "-a" "5e91cf3d0ebf8d0238c477694a98d84fb47ef69a49d1cff640d8a1e75a7d4b12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] note: required by a bound in `collect`
[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] [stderr] error: could not compile `iterator_playground` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e91cf3d0ebf8d0238c477694a98d84fb47ef69a49d1cff640d8a1e75a7d4b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e91cf3d0ebf8d0238c477694a98d84fb47ef69a49d1cff640d8a1e75a7d4b12", kill_on_drop: false }`
[INFO] [stdout] 5e91cf3d0ebf8d0238c477694a98d84fb47ef69a49d1cff640d8a1e75a7d4b12