[INFO] cloning repository https://github.com/bill-pace/assignment-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bill-pace/assignment-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbill-pace%2Fassignment-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbill-pace%2Fassignment-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 235633cdcb6918df09aa5bb676ae248ac2cd1189
[INFO] checking bill-pace/assignment-solver against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbill-pace%2Fassignment-solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bill-pace/assignment-solver
[INFO] finished tweaking git repo https://github.com/bill-pace/assignment-solver
[INFO] tweaked toml for git repo https://github.com/bill-pace/assignment-solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bill-pace/assignment-solver on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bill-pace/assignment-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc8a8a1d10e7472106fbb705d1e7eb80afc131387f00c301be8b7343cbe3fb0
[INFO] running `Command { std: "docker" "start" "-a" "fdc8a8a1d10e7472106fbb705d1e7eb80afc131387f00c301be8b7343cbe3fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc8a8a1d10e7472106fbb705d1e7eb80afc131387f00c301be8b7343cbe3fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc8a8a1d10e7472106fbb705d1e7eb80afc131387f00c301be8b7343cbe3fb0", kill_on_drop: false }`
[INFO] [stdout] fdc8a8a1d10e7472106fbb705d1e7eb80afc131387f00c301be8b7343cbe3fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36cea738916b0e571d4b1012751aa03b2e3357e2fd61ee8427b263df64423c31
[INFO] running `Command { std: "docker" "start" "-a" "36cea738916b0e571d4b1012751aa03b2e3357e2fd61ee8427b263df64423c31", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
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[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking url v2.2.2
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[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling foreign-types-macros v0.2.2
[INFO] [stderr]     Checking wayland-commons v0.29.4
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[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling glib-sys v0.15.10
[INFO] [stderr]    Compiling gobject-sys v0.15.10
[INFO] [stderr]    Compiling gdk-sys v0.15.1
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[INFO] [stderr]    Compiling atk-sys v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.10
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
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[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
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[INFO] [stderr]     Checking thiserror v1.0.31
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[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking wayland-egl v0.29.4
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking egui v0.19.0
[INFO] [stderr]     Checking egui_glow v0.19.0
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking sctk-adwaita v0.4.2
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[INFO] [stderr]     Checking glutin v0.29.1
[INFO] [stderr]     Checking egui-winit v0.19.0
[INFO] [stderr]     Checking eframe v0.19.0
[INFO] [stderr]     Checking assignment-solver v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/data_structures.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut distances = vec![f32::INFINITY; 5102];
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/data_structures.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let i = distances[2345];
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/data_structures.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let i = distances.get(&2345).unwrap();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cv`
[INFO] [stdout]   --> benches/data_structures.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let cv = v.borrow().clone();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_cv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rv`
[INFO] [stdout]   --> benches/data_structures.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let rv = v.borrow();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_rv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/network/node.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_connections(&self) -> Ref<Vec<usize>> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_connections(&self) -> Ref<'_, Vec<usize>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/network/node.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_connections(&self) -> Ref<Vec<usize>> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_connections(&self) -> Ref<'_, Vec<usize>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.45s
[INFO] running `Command { std: "docker" "inspect" "36cea738916b0e571d4b1012751aa03b2e3357e2fd61ee8427b263df64423c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cea738916b0e571d4b1012751aa03b2e3357e2fd61ee8427b263df64423c31", kill_on_drop: false }`
[INFO] [stdout] 36cea738916b0e571d4b1012751aa03b2e3357e2fd61ee8427b263df64423c31
