[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] 9d397e62229feb355a6792c6db72046a9c52fcb8 [INFO] checking bill-pace/assignment-solver against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbill-pace%2Fassignment-solver" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bill-pace/assignment-solver on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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/source/Cargo.toml [INFO] crate git repo https://github.com/bill-pace/assignment-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded puffin v0.13.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 627cab57d72c14d97dd89db12b9bff984c2a3d753e84d8d3eb20348ef9c2dd92 [INFO] running `Command { std: "docker" "start" "-a" "627cab57d72c14d97dd89db12b9bff984c2a3d753e84d8d3eb20348ef9c2dd92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "627cab57d72c14d97dd89db12b9bff984c2a3d753e84d8d3eb20348ef9c2dd92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "627cab57d72c14d97dd89db12b9bff984c2a3d753e84d8d3eb20348ef9c2dd92", kill_on_drop: false }` [INFO] [stdout] 627cab57d72c14d97dd89db12b9bff984c2a3d753e84d8d3eb20348ef9c2dd92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c293191824f4337d3cb42ce1b2dcd4d5aa08387d269ed91fd8e2c8e00e9c06db [INFO] running `Command { std: "docker" "start" "-a" "c293191824f4337d3cb42ce1b2dcd4d5aa08387d269ed91fd8e2c8e00e9c06db", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version-compare v0.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking ttf-parser v0.15.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.5 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking nohash-hasher v0.2.0 [INFO] [stderr] Compiling winit v0.26.1 [INFO] [stderr] Checking glow v0.11.2 [INFO] [stderr] Compiling rfd v0.8.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling local-ip-address v0.4.4 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking libloading v0.7.3 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling cfg-expr v0.10.3 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling wayland-sys v0.29.4 [INFO] [stderr] Compiling x11-dl v2.19.1 [INFO] [stderr] Compiling smithay-client-toolkit v0.15.4 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling wayland-scanner v0.29.4 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking gethostname v0.2.3 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking neli v0.5.3 [INFO] [stderr] Checking owned_ttf_parser v0.15.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking ab_glyph v0.2.15 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling wayland-client v0.29.4 [INFO] [stderr] Compiling wayland-protocols v0.29.4 [INFO] [stderr] Checking webbrowser v0.7.1 [INFO] [stderr] Checking xcursor v0.3.4 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Checking wayland-commons v0.29.4 [INFO] [stderr] Checking calloop v0.9.3 [INFO] [stderr] Checking x11rb v0.9.0 [INFO] [stderr] Compiling system-deps v6.0.2 [INFO] [stderr] Compiling glib-sys v0.15.10 [INFO] [stderr] Compiling gobject-sys v0.15.10 [INFO] [stderr] Compiling gio-sys v0.15.10 [INFO] [stderr] Compiling atk-sys v0.15.1 [INFO] [stderr] Compiling gdk-sys v0.15.1 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.15.10 [INFO] [stderr] Compiling pango-sys v0.15.10 [INFO] [stderr] Compiling cairo-sys-rs v0.15.1 [INFO] [stderr] Compiling gtk-sys v0.15.3 [INFO] [stderr] Checking wayland-cursor v0.29.4 [INFO] [stderr] Checking wayland-egl v0.29.4 [INFO] [stderr] Compiling bytemuck_derive v1.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking emath v0.18.0 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking epaint v0.18.1 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking egui v0.18.1 [INFO] [stderr] Checking arboard v2.1.1 [INFO] [stderr] Checking egui_glow v0.18.1 [INFO] [stderr] Checking glutin v0.28.0 [INFO] [stderr] Checking egui-winit v0.18.0 [INFO] [stderr] Checking eframe v0.18.0 [INFO] [stderr] Checking assignment-solver v0.3.2 (/opt/rustwide/workdir) [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)]` 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: 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 34s [INFO] running `Command { std: "docker" "inspect" "c293191824f4337d3cb42ce1b2dcd4d5aa08387d269ed91fd8e2c8e00e9c06db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c293191824f4337d3cb42ce1b2dcd4d5aa08387d269ed91fd8e2c8e00e9c06db", kill_on_drop: false }` [INFO] [stdout] c293191824f4337d3cb42ce1b2dcd4d5aa08387d269ed91fd8e2c8e00e9c06db