[INFO] updating cached repository https://github.com/loloof64/FindingOperations
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 3e8b10a4cf8fdd8a06e14b0ea15cbd0aaccb5008
[INFO] checking loloof64/FindingOperations against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floloof64%2FFindingOperations" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loloof64/FindingOperations on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/loloof64/FindingOperations
[INFO] finished tweaking git repo https://github.com/loloof64/FindingOperations
[INFO] tweaked toml for git repo https://github.com/loloof64/FindingOperations written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/loloof64/FindingOperations already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a9981fa5c27f0064a838c4c3786be14403a0157db7cce4c7a898e79a072eef4
[INFO] running `"docker" "start" "-a" "1a9981fa5c27f0064a838c4c3786be14403a0157db7cce4c7a898e79a072eef4"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cairo-rs v0.8.0
[INFO] [stderr]     Checking glib-sys v0.9.1
[INFO] [stderr]    Compiling relm-derive v0.19.0
[INFO] [stderr]     Checking gobject-sys v0.9.1
[INFO] [stderr]     Checking cairo-sys-rs v0.9.2
[INFO] [stderr]     Checking gio-sys v0.9.1
[INFO] [stderr]     Checking pango-sys v0.9.1
[INFO] [stderr]     Checking atk-sys v0.9.1
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.9.1
[INFO] [stderr]     Checking gdk-sys v0.9.1
[INFO] [stderr]     Checking gtk-sys v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking glib v0.9.2
[INFO] [stderr]     Checking gio v0.8.1
[INFO] [stderr]     Checking pango v0.8.0
[INFO] [stderr]     Checking atk v0.8.0
[INFO] [stderr]     Checking gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking gdk v0.12.1
[INFO] [stderr]     Checking gtk v0.8.1
[INFO] [stderr]     Checking relm v0.19.0
[INFO] [stderr]     Checking finding_operation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:287:24
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 #[name="tiles"]
[INFO] [stderr]     |                        ^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:292:24
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 #[name="target"]
[INFO] [stderr]     |                        ^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:303:24
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 #[name="solutions"]
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `solutions`
[INFO] [stderr]    --> src/gui.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     solutions: Vec<Solution>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/solver/types.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn new(operations: Vec<Operation>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:287:24
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 #[name="tiles"]
[INFO] [stderr]     |                        ^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:292:24
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 #[name="target"]
[INFO] [stderr]     |                        ^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/gui.rs:303:24
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 #[name="solutions"]
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `solutions`
[INFO] [stderr]    --> src/gui.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     solutions: Vec<Solution>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `"docker" "inspect" "1a9981fa5c27f0064a838c4c3786be14403a0157db7cce4c7a898e79a072eef4"`
[INFO] running `"docker" "rm" "-f" "1a9981fa5c27f0064a838c4c3786be14403a0157db7cce4c7a898e79a072eef4"`
[INFO] [stdout] 1a9981fa5c27f0064a838c4c3786be14403a0157db7cce4c7a898e79a072eef4