[INFO] cloning repository https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpineapplehunter%2FDirectedBijectiveConnectionGraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpineapplehunter%2FDirectedBijectiveConnectionGraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a76752e8e52aa889c77b7e8f2997150a9d8d89f
[INFO] checking pineapplehunter/DirectedBijectiveConnectionGraph against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpineapplehunter%2FDirectedBijectiveConnectionGraph" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph
[INFO] finished tweaking git repo https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph
[INFO] tweaked toml for git repo https://github.com/pineapplehunter/DirectedBijectiveConnectionGraph written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2434c109beb57fef10a77cd16dd22aeeba6acfeda0e008d939a9c27d8c29a9c
[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" "c2434c109beb57fef10a77cd16dd22aeeba6acfeda0e008d939a9c27d8c29a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2434c109beb57fef10a77cd16dd22aeeba6acfeda0e008d939a9c27d8c29a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2434c109beb57fef10a77cd16dd22aeeba6acfeda0e008d939a9c27d8c29a9c", kill_on_drop: false }`
[INFO] [stdout] c2434c109beb57fef10a77cd16dd22aeeba6acfeda0e008d939a9c27d8c29a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 2c3e7016fbef93e7176111765c300cbac9a420b3e278051c3285ac2e9d43be7d
[INFO] running `Command { std: "docker" "start" "-a" "2c3e7016fbef93e7176111765c300cbac9a420b3e278051c3285ac2e9d43be7d", kill_on_drop: false }`
[INFO] [stderr]     Checking gt-graph v0.1.1 (/opt/rustwide/workdir/gt-graph)
[INFO] [stderr]     Checking gt-graph-path v0.1.3 (/opt/rustwide/workdir/gt-graph-path)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> gt-graph-path/src/graph_path.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> gt-graph-path/src/graph_path.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gt-directed-bijective-connection-graph v0.2.3 (/opt/rustwide/workdir/gt-directed-bijective-connection-graph)
[INFO] [stderr]     Checking gt-ltq v0.1.1 (/opt/rustwide/workdir/gt-ltq)
[INFO] [stderr]     Checking gt-hypercube v0.1.1 (/opt/rustwide/workdir/gt-hypercube)
[INFO] [stderr]     Checking gt-bijective_connection_graph v0.1.0 (/opt/rustwide/workdir/gt-bijective-connection-graph)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "2c3e7016fbef93e7176111765c300cbac9a420b3e278051c3285ac2e9d43be7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3e7016fbef93e7176111765c300cbac9a420b3e278051c3285ac2e9d43be7d", kill_on_drop: false }`
[INFO] [stdout] 2c3e7016fbef93e7176111765c300cbac9a420b3e278051c3285ac2e9d43be7d