[INFO] cloning repository https://github.com/saulshanabrook/graph-computation-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saulshanabrook/graph-computation-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulshanabrook%2Fgraph-computation-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulshanabrook%2Fgraph-computation-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6a782a5be49bfaa372b226ceb59a68e26b6ea61
[INFO] checking saulshanabrook/graph-computation-play against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulshanabrook%2Fgraph-computation-play" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saulshanabrook/graph-computation-play on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saulshanabrook/graph-computation-play
[INFO] finished tweaking git repo https://github.com/saulshanabrook/graph-computation-play
[INFO] tweaked toml for git repo https://github.com/saulshanabrook/graph-computation-play written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/saulshanabrook/graph-computation-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9ba03efeceb2ca5b16d5adad3904a59e313325be781234761e6e9faae9eb93
[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" "dc9ba03efeceb2ca5b16d5adad3904a59e313325be781234761e6e9faae9eb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9ba03efeceb2ca5b16d5adad3904a59e313325be781234761e6e9faae9eb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9ba03efeceb2ca5b16d5adad3904a59e313325be781234761e6e9faae9eb93", kill_on_drop: false }`
[INFO] [stdout] dc9ba03efeceb2ca5b16d5adad3904a59e313325be781234761e6e9faae9eb93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] e77326052a215b7f1b603fe6c656b63a642514f779b0ee11a30c4911b2183980
[INFO] running `Command { std: "docker" "start" "-a" "e77326052a215b7f1b603fe6c656b63a642514f779b0ee11a30c4911b2183980", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking graph-computation-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `POP_SIZE`
[INFO] [stdout]   --> main.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | const POP_SIZE: usize = 100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Genomes`
[INFO] [stdout]   --> main.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | type Genomes = [Genome; POP_SIZE];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Errors`
[INFO] [stdout]   --> main.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | type Errors = [Error; POP_SIZE];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `errors_from_genomes`
[INFO] [stdout]   --> main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn errors_from_genomes(genomes: Genomes) -> Errors {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Population`
[INFO] [stdout]   --> main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Population {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `population_from_genomes`
[INFO] [stdout]   --> main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn population_from_genomes(genomes: Genomes) -> Population {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `initial_population`
[INFO] [stdout]   --> main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn initial_population<R: Rng>(random_gene: &Range<Gene>, rng: &mut R) -> Population {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `POP_SIZE`
[INFO] [stdout]   --> main.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | const POP_SIZE: usize = 100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Genomes`
[INFO] [stdout]   --> main.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | type Genomes = [Genome; POP_SIZE];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Errors`
[INFO] [stdout]   --> main.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | type Errors = [Error; POP_SIZE];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `errors_from_genomes`
[INFO] [stdout]   --> main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn errors_from_genomes(genomes: Genomes) -> Errors {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Population`
[INFO] [stdout]   --> main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Population {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `population_from_genomes`
[INFO] [stdout]   --> main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn population_from_genomes(genomes: Genomes) -> Population {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `initial_population`
[INFO] [stdout]   --> main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn initial_population<R: Rng>(random_gene: &Range<Gene>, rng: &mut R) -> Population {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "e77326052a215b7f1b603fe6c656b63a642514f779b0ee11a30c4911b2183980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77326052a215b7f1b603fe6c656b63a642514f779b0ee11a30c4911b2183980", kill_on_drop: false }`
[INFO] [stdout] e77326052a215b7f1b603fe6c656b63a642514f779b0ee11a30c4911b2183980