[INFO] cloning repository https://github.com/AlterionX/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlterionX/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlterionX%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlterionX%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c7574605bfbae5996731f8cfe21bb98e078f18b
[INFO] testing AlterionX/minesweeper against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlterionX%2Fminesweeper" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlterionX/minesweeper on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlterionX/minesweeper
[INFO] finished tweaking git repo https://github.com/AlterionX/minesweeper
[INFO] tweaked toml for git repo https://github.com/AlterionX/minesweeper written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/AlterionX/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177ba667f662fdcb64f516783132d0b87328d19952f87326fe697f4a168738c8
[INFO] running `Command { std: "docker" "start" "-a" "177ba667f662fdcb64f516783132d0b87328d19952f87326fe697f4a168738c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177ba667f662fdcb64f516783132d0b87328d19952f87326fe697f4a168738c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177ba667f662fdcb64f516783132d0b87328d19952f87326fe697f4a168738c8", kill_on_drop: false }`
[INFO] [stdout] 177ba667f662fdcb64f516783132d0b87328d19952f87326fe697f4a168738c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 314dd55e85204d538f60902084a7b07bdcdf25383291d4a000dd48944b70aa4e
[INFO] running `Command { std: "docker" "start" "-a" "314dd55e85204d538f60902084a7b07bdcdf25383291d4a000dd48944b70aa4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]   --> src/solver/algo.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let stage1 = stage0.into_iter().map(csp0::run).collect::<Vec<_>>();
[INFO] [stdout]    |                                         ^^^^^^^^^ expected signature of `fn(VecDeque<ContextualLinkedSubRegion<'_>>) -> _`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/solver/algo/csp0.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub(super) fn run(a: ()) {
[INFO] [stdout]    | ------------------------ found signature of `fn(()) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `collect` exists for struct `Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/solver/algo.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 |       let stage1 = stage0.into_iter().map(csp0::run).collect::<Vec<_>>();
[INFO] [stdout]    |                                                      ^^^^^^^ method cannot be called on `Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `<fn(()) {csp0::run} as FnOnce<(VecDeque<ContextualLinkedSubRegion<'_>>,)>>::Output = _`
[INFO] [stdout]            which is required by `Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>: Iterator`
[INFO] [stdout]            `fn(()) {csp0::run}: FnMut<(VecDeque<ContextualLinkedSubRegion<'_>>,)>`
[INFO] [stdout]            which is required by `Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>: Iterator`
[INFO] [stdout]            `Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>: Iterator`
[INFO] [stdout]            which is required by `&mut Map<std::vec::IntoIter<VecDeque<ContextualLinkedSubRegion<'_>>>, fn(()) {csp0::run}>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0631.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minesweeper`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "314dd55e85204d538f60902084a7b07bdcdf25383291d4a000dd48944b70aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314dd55e85204d538f60902084a7b07bdcdf25383291d4a000dd48944b70aa4e", kill_on_drop: false }`
[INFO] [stdout] 314dd55e85204d538f60902084a7b07bdcdf25383291d4a000dd48944b70aa4e
