[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 beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpineapplehunter%2FDirectedBijectiveConnectionGraph" "/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/pineapplehunter/DirectedBijectiveConnectionGraph on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38b456c7fb098a3708d0ba732889e570295686930228f95e607032cb3f3349d
[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" "f38b456c7fb098a3708d0ba732889e570295686930228f95e607032cb3f3349d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38b456c7fb098a3708d0ba732889e570295686930228f95e607032cb3f3349d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38b456c7fb098a3708d0ba732889e570295686930228f95e607032cb3f3349d", kill_on_drop: false }`
[INFO] [stdout] f38b456c7fb098a3708d0ba732889e570295686930228f95e607032cb3f3349d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6aa1f59cb533e319b4793fd96983e0937c2a4d6996463cb1179b1b1583a3934
[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" "e6aa1f59cb533e319b4793fd96983e0937c2a4d6996463cb1179b1b1583a3934", 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-hypercube v0.1.1 (/opt/rustwide/workdir/gt-hypercube)
[INFO] [stderr]     Checking gt-ltq v0.1.1 (/opt/rustwide/workdir/gt-ltq)
[INFO] [stderr]     Checking gt-bijective_connection_graph v0.1.0 (/opt/rustwide/workdir/gt-bijective-connection-graph)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> gt-directed-bijective-connection-graph/benches/custom_function_benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gt-directed-bijective-connection-graph` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6aa1f59cb533e319b4793fd96983e0937c2a4d6996463cb1179b1b1583a3934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aa1f59cb533e319b4793fd96983e0937c2a4d6996463cb1179b1b1583a3934", kill_on_drop: false }`
[INFO] [stdout] e6aa1f59cb533e319b4793fd96983e0937c2a4d6996463cb1179b1b1583a3934
