[INFO] cloning repository https://github.com/overengineering/roulette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/overengineering/roulette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Froulette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Froulette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc099dec1f09515b836ccf99bbd0ee181f0ad64f
[INFO] testing overengineering/roulette against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Froulette" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/overengineering/roulette on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/overengineering/roulette
[INFO] finished tweaking git repo https://github.com/overengineering/roulette
[INFO] tweaked toml for git repo https://github.com/overengineering/roulette written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/overengineering/roulette already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 367fa6fb7e8118b5eb65306399df384b8f447e6b0ab2b2534ff157d39b48dc30
[INFO] running `Command { std: "docker" "start" "-a" "367fa6fb7e8118b5eb65306399df384b8f447e6b0ab2b2534ff157d39b48dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "367fa6fb7e8118b5eb65306399df384b8f447e6b0ab2b2534ff157d39b48dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367fa6fb7e8118b5eb65306399df384b8f447e6b0ab2b2534ff157d39b48dc30", kill_on_drop: false }`
[INFO] [stdout] 367fa6fb7e8118b5eb65306399df384b8f447e6b0ab2b2534ff157d39b48dc30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6274c674a867ae77ba193fc7b1d0c95fcc4db4a4ec025a47bdec3d721ea89a36
[INFO] running `Command { std: "docker" "start" "-a" "6274c674a867ae77ba193fc7b1d0c95fcc4db4a4ec025a47bdec3d721ea89a36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling roulette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0507]: cannot move out of `element`, a captured variable in an `FnMut` closure
[INFO] [stdout]   --> src/wheel.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .flat_map(|(element, properties)| {
[INFO] [stdout]    |                     ------- captured outer variable
[INFO] [stdout] ...
[INFO] [stdout] 48 |                           .map(|property| (element, property))
[INFO] [stdout]    |                                            ^^^^^^^ move occurs because `element` has type `WheelElement`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/wheel.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         .group_by(|&(_, property)| property)
[INFO] [stdout]    |                    ^^^^^--------^
[INFO] [stdout]    |                    |    |
[INFO] [stdout]    |                    |    data moved here
[INFO] [stdout]    |                    |    move occurs because `property` has type `WheelElementProperty`, which does not implement the `Copy` trait
[INFO] [stdout]    |                    help: consider removing the `&`: `(_, property)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/wheel.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let aaaaaaa = all_element_property_pairs
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 53 | |         .into_iter()
[INFO] [stdout] 54 | |         .group_by(|&(_, property)| property)
[INFO] [stdout]    | |____________________________________________^ creates a temporary which is freed while still in use
[INFO] [stdout] 55 |           .into_iter();
[INFO] [stdout]    |                       - temporary value is freed at the end of this statement
[INFO] [stdout] 56 | 
[INFO] [stdout] 57 |       let elements_by_property: HashMap<Property, HashSet<Element>> = aaaaaaa
[INFO] [stdout]    |                                                                       ------- borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0507, E0716.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roulette` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6274c674a867ae77ba193fc7b1d0c95fcc4db4a4ec025a47bdec3d721ea89a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6274c674a867ae77ba193fc7b1d0c95fcc4db4a4ec025a47bdec3d721ea89a36", kill_on_drop: false }`
[INFO] [stdout] 6274c674a867ae77ba193fc7b1d0c95fcc4db4a4ec025a47bdec3d721ea89a36
