[INFO] cloning repository https://github.com/hkapp/hakarl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkapp/hakarl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e999bade9a7554b2b4d5d792c0fb0dedb998935
[INFO] building hkapp/hakarl against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hkapp/hakarl on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hkapp/hakarl
[INFO] finished tweaking git repo https://github.com/hkapp/hakarl
[INFO] tweaked toml for git repo https://github.com/hkapp/hakarl written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hkapp/hakarl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468229acb876902776288603366132897b15c004e277905e5e482f45b8a30c69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "468229acb876902776288603366132897b15c004e277905e5e482f45b8a30c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468229acb876902776288603366132897b15c004e277905e5e482f45b8a30c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468229acb876902776288603366132897b15c004e277905e5e482f45b8a30c69", kill_on_drop: false }`
[INFO] [stdout] 468229acb876902776288603366132897b15c004e277905e5e482f45b8a30c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4e185b5d585fa992bc78c7e6c5d64a66bfedb24fa16563c0eca45bda9eff06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf4e185b5d585fa992bc78c7e6c5d64a66bfedb24fa16563c0eca45bda9eff06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chess v3.1.1
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling hakarl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/pgn.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use chess::{self, ChessMove, Piece, Board, Color, Square, File};
[INFO] [stdout]     |                                                           ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 302 |     use chess::File;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::iter`
[INFO] [stdout]  --> src/play/searchtree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::iter;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/play/searchtree.rs:215:6
[INFO] [stdout]     |
[INFO] [stdout] 215 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/play/searchtree.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/play/searchtree.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |         result = bifold(tree.clone())
[INFO] [stdout]    |                  ^^^^^^ ------------ supplied 1 argument
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 4 arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/play/searchtree.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn bifold<N, E, V, FN, FE>(tree: N, init_value: V, process_node: FN, process_branch: FE) -> V
[INFO] [stdout]    |        ^^^^^^                  -------  -------------  ----------------  ------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for type parameter `N` in the current scope
[INFO] [stdout]   --> src/play/searchtree.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |         result = bifold(tree.clone())
[INFO] [stdout]    |                              ^^^^^ method not found in `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stdout] help: the following trait defines an item `clone`, perhaps you need to restrict type parameter `N` with it:
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn bifold<N: Clone, E, V, FN, FE>(tree: N, init_value: V, process_node: FN, process_branch: FE) -> V
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/play/searchtree.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn bifold<N, E, V, FN, FE>(tree: N, init_value: V, process_node: FN, process_branch: FE) -> V
[INFO] [stdout]    |                       - this type parameter                                                       - expected `V` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 65 | /     for branch in tree.branches() {
[INFO] [stdout] 66 | |         result = process_branch(result, &tree, &branch);
[INFO] [stdout] 67 | |         result = bifold(tree.clone())
[INFO] [stdout] 68 | |     }
[INFO] [stdout]    | |_____^ expected type parameter `V`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `V`
[INFO] [stdout]                    found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hakarl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cf4e185b5d585fa992bc78c7e6c5d64a66bfedb24fa16563c0eca45bda9eff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4e185b5d585fa992bc78c7e6c5d64a66bfedb24fa16563c0eca45bda9eff06", kill_on_drop: false }`
[INFO] [stdout] cf4e185b5d585fa992bc78c7e6c5d64a66bfedb24fa16563c0eca45bda9eff06
