[INFO] updating cached repository https://github.com/djmcgill/garden-opus
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5fa7badb5dc97803b6c721fff5af239701b9c454
[INFO] checking djmcgill/garden-opus against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2Fgarden-opus" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djmcgill/garden-opus on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/djmcgill/garden-opus
[INFO] finished tweaking git repo https://github.com/djmcgill/garden-opus
[INFO] tweaked toml for git repo https://github.com/djmcgill/garden-opus written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/djmcgill/garden-opus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50c09364920a97b26c85be3d4701981e2c0ea01c280013de3b2377e6756e8ac8
[INFO] running `"docker" "start" "-a" "50c09364920a97b26c85be3d4701981e2c0ea01c280013de3b2377e6756e8ac8"`
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking arrayvec v0.4.4
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking pistoncore-window v0.29.0
[INFO] [stderr]     Checking wayland-window v0.7.0
[INFO] [stderr]     Checking winit v0.7.6
[INFO] [stderr]     Checking rusttype v0.2.3
[INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `K`
[INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `V`
[INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking piston2d-graphics v0.23.0
[INFO] [stderr]     Checking glutin v0.9.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.34.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.48.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.40.1
[INFO] [stderr]     Checking piston v0.34.0
[INFO] [stderr]     Checking garden-opus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `BaseMetal` is imported redundantly
[INFO] [stderr]   --> src/model/atom.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 7  | / pub enum BaseMetal {
[INFO] [stderr] 8  | |     Lead, Tin, Iron, Copper, Silver, Gold,
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- the item `BaseMetal` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 29 |           use self::BaseMetal;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::Window`
[INFO] [stderr]  --> src/controller/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use piston::window::Window;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `atom`
[INFO] [stderr]   --> src/model/mod.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |             if let Some(atom@Atom::BaseMetal(BaseMetal::Gold)) = *tile {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_atom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xy`
[INFO] [stderr]   --> src/model/mod.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 if let Some(xy) = self.selected_tile {
[INFO] [stderr]    |                             ^^ help: consider prefixing with an underscore: `_xy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/model/board.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn parse<'a, S: Into<&'a str>>(string: S) -> Option<Board> {
[INFO] [stderr]    |                                        ^^^^^^ help: consider prefixing with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `BaseMetal` is imported redundantly
[INFO] [stderr]   --> src/model/atom.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 7  | / pub enum BaseMetal {
[INFO] [stderr] 8  | |     Lead, Tin, Iron, Copper, Silver, Gold,
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- the item `BaseMetal` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 29 |           use self::BaseMetal;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::math::*`
[INFO] [stderr]   --> src/model/hex.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     use graphics::math::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::Window`
[INFO] [stderr]  --> src/controller/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use piston::window::Window;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `atom`
[INFO] [stderr]   --> src/model/mod.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |             if let Some(atom@Atom::BaseMetal(BaseMetal::Gold)) = *tile {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_atom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xy`
[INFO] [stderr]   --> src/model/mod.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 if let Some(xy) = self.selected_tile {
[INFO] [stderr]    |                             ^^ help: consider prefixing with an underscore: `_xy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/model/board.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn parse<'a, S: Into<&'a str>>(string: S) -> Option<Board> {
[INFO] [stderr]    |                                        ^^^^^^ help: consider prefixing with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.01s
[INFO] running `"docker" "inspect" "50c09364920a97b26c85be3d4701981e2c0ea01c280013de3b2377e6756e8ac8"`
[INFO] running `"docker" "rm" "-f" "50c09364920a97b26c85be3d4701981e2c0ea01c280013de3b2377e6756e8ac8"`
[INFO] [stdout] 50c09364920a97b26c85be3d4701981e2c0ea01c280013de3b2377e6756e8ac8