[INFO] cloning repository https://github.com/dpwdec/wfc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpwdec/wfc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4048a90103ce4162c698adc7ecc6d6293a13694
[INFO] checking dpwdec/wfc-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpwdec/wfc-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpwdec/wfc-rust
[INFO] finished tweaking git repo https://github.com/dpwdec/wfc-rust
[INFO] tweaked toml for git repo https://github.com/dpwdec/wfc-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dpwdec/wfc-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a85c678304550470927ad436d0d7d8364c02590ad9b36d4ca1d5cfc7d04cf0f
[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" "0a85c678304550470927ad436d0d7d8364c02590ad9b36d4ca1d5cfc7d04cf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a85c678304550470927ad436d0d7d8364c02590ad9b36d4ca1d5cfc7d04cf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a85c678304550470927ad436d0d7d8364c02590ad9b36d4ca1d5cfc7d04cf0f", kill_on_drop: false }`
[INFO] [stdout] 0a85c678304550470927ad436d0d7d8364c02590ad9b36d4ca1d5cfc7d04cf0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60103d234db1e6f92ff6a3aba11e65e713ed0172c3f1a214a94236f417372fcb
[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" "60103d234db1e6f92ff6a3aba11e65e713ed0172c3f1a214a94236f417372fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking wfc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Rules`
[INFO] [stdout]   --> benches/benches.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use wfc_rust::graph::graph::{Graph, Rules};
[INFO] [stdout]    |                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MultisetTrait`
[INFO] [stdout]   --> benches/benches.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use wfc_rust::multiset::{Multiset, MultisetTrait};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wfc_rust::utils::hash_map`
[INFO] [stdout]   --> benches/benches.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use wfc_rust::utils::hash_map;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set`
[INFO] [stdout]   --> benches/benches.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use wfc_rust::utils::{hash_map, hash_set};
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> benches/benches.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use std::iter::FromIterator;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_edges`
[INFO] [stdout]   --> benches/benches.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn graph_edges() -> Edges {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_rules`
[INFO] [stdout]   --> benches/benches.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn graph_rules(bench: &mut Bencher) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_observe`
[INFO] [stdout]   --> benches/benches.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn graph_observe(bench: &mut Bencher) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_constrain_true`
[INFO] [stdout]   --> benches/benches.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn graph_constrain_true(bench: &mut Bencher) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph_constrain_false`
[INFO] [stdout]   --> benches/benches.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn graph_constrain_false(bench: &mut Bencher) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.39s
[INFO] running `Command { std: "docker" "inspect" "60103d234db1e6f92ff6a3aba11e65e713ed0172c3f1a214a94236f417372fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60103d234db1e6f92ff6a3aba11e65e713ed0172c3f1a214a94236f417372fcb", kill_on_drop: false }`
[INFO] [stdout] 60103d234db1e6f92ff6a3aba11e65e713ed0172c3f1a214a94236f417372fcb