[INFO] cloning repository https://github.com/deployAt/winner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deployAt/winner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeployAt%2Fwinner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeployAt%2Fwinner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10f27721d0f234a760f703c5f1f724a9181f282b
[INFO] checking deployAt/winner/10f27721d0f234a760f703c5f1f724a9181f282b against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeployAt%2Fwinner" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deployAt/winner on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deployAt/winner
[INFO] finished tweaking git repo https://github.com/deployAt/winner
[INFO] tweaked toml for git repo https://github.com/deployAt/winner written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deployAt/winner 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df7bad853c3b9abceeb485971f48181d9a1b11e1f0d43b96723d21371ea7e3e0
[INFO] running `Command { std: "docker" "start" "-a" "df7bad853c3b9abceeb485971f48181d9a1b11e1f0d43b96723d21371ea7e3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df7bad853c3b9abceeb485971f48181d9a1b11e1f0d43b96723d21371ea7e3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7bad853c3b9abceeb485971f48181d9a1b11e1f0d43b96723d21371ea7e3e0", kill_on_drop: false }`
[INFO] [stdout] df7bad853c3b9abceeb485971f48181d9a1b11e1f0d43b96723d21371ea7e3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77601d790418937b618035cabf61abb0094c109b5db51ee62532d73e5003942d
[INFO] running `Command { std: "docker" "start" "-a" "77601d790418937b618035cabf61abb0094c109b5db51ee62532d73e5003942d", kill_on_drop: false }`
[INFO] [stderr]     Checking winner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `group_by` found for struct `Vec<(Bet<u32>, u8)>` in the current scope
[INFO] [stdout]   --> src/main.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let winners_grouped_by_hits = winners_to_reward.group_by(|(_, a_hits), (_, b_hits)| a_hits == b_hits);
[INFO] [stdout]    |                                                     ^^^^^^^^ method not found in `Vec<(Bet<u32>, u8)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `group_by` found for struct `Vec<(Bet<u32>, u8)>` in the current scope
[INFO] [stdout]   --> src/main.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let winners_grouped_by_hits = winners_to_reward.group_by(|(_, a_hits), (_, b_hits)| a_hits == b_hits);
[INFO] [stdout]    |                                                     ^^^^^^^^ method not found in `Vec<(Bet<u32>, u8)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winner` (bin "winner") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `winner` (bin "winner" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "77601d790418937b618035cabf61abb0094c109b5db51ee62532d73e5003942d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77601d790418937b618035cabf61abb0094c109b5db51ee62532d73e5003942d", kill_on_drop: false }`
[INFO] [stdout] 77601d790418937b618035cabf61abb0094c109b5db51ee62532d73e5003942d