[INFO] cloning repository https://github.com/yamafaktory/hypergraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yamafaktory/hypergraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamafaktory%2Fhypergraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamafaktory%2Fhypergraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb70fe9bb3ab6dbe47bb80f553e24369f4da686
[INFO] checking yamafaktory/hypergraph against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamafaktory%2Fhypergraph" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamafaktory/hypergraph on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamafaktory/hypergraph
[INFO] finished tweaking git repo https://github.com/yamafaktory/hypergraph
[INFO] tweaked toml for git repo https://github.com/yamafaktory/hypergraph written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yamafaktory/hypergraph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random_color v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d4fcd57887acb31f3ce5c8c8af825f41adacfece4a8693c2626556379931f49
[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" "4d4fcd57887acb31f3ce5c8c8af825f41adacfece4a8693c2626556379931f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4fcd57887acb31f3ce5c8c8af825f41adacfece4a8693c2626556379931f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4fcd57887acb31f3ce5c8c8af825f41adacfece4a8693c2626556379931f49", kill_on_drop: false }`
[INFO] [stdout] 4d4fcd57887acb31f3ce5c8c8af825f41adacfece4a8693c2626556379931f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5ba742e309ccae085d5cfef0c6a3ad05c376a61f0c277ac2a8fdd694598383
[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" "1f5ba742e309ccae085d5cfef0c6a3ad05c376a61f0c277ac2a8fdd694598383", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking random_color v0.5.0
[INFO] [stderr]     Checking hypergraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Luminosity`, `RandomColor`
[INFO] [stdout]  --> src/dot.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use random_color::{Luminosity, RandomColor};
[INFO] [stdout]   |                    ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Luminosity`, `RandomColor`
[INFO] [stdout]  --> src/dot.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use random_color::{Luminosity, RandomColor};
[INFO] [stdout]   |                    ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `partitioned_hyperedges`
[INFO] [stdout]   --> src/dot.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let partitioned_hyperedges = hypergraph.hyperedges.iter().fold(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partitioned_hyperedges`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `partitioned_hyperedges`
[INFO] [stdout]   --> src/dot.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let partitioned_hyperedges = hypergraph.hyperedges.iter().fold(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partitioned_hyperedges`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "1f5ba742e309ccae085d5cfef0c6a3ad05c376a61f0c277ac2a8fdd694598383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5ba742e309ccae085d5cfef0c6a3ad05c376a61f0c277ac2a8fdd694598383", kill_on_drop: false }`
[INFO] [stdout] 1f5ba742e309ccae085d5cfef0c6a3ad05c376a61f0c277ac2a8fdd694598383