[INFO] cloning repository https://github.com/Christian-Rades/rorqual
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Christian-Rades/rorqual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Rades%2Frorqual", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Rades%2Frorqual'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c5be296dfd19afa224fa2f7e2805b7718c4993
[INFO] checking Christian-Rades/rorqual against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Rades%2Frorqual" "/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/Christian-Rades/rorqual on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Christian-Rades/rorqual
[INFO] finished tweaking git repo https://github.com/Christian-Rades/rorqual
[INFO] tweaked toml for git repo https://github.com/Christian-Rades/rorqual written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Christian-Rades/rorqual already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7894a469ea246dae30f82e7b2c0a4b421f9e2af34563c4840fe8beb2f8be2b6b
[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" "7894a469ea246dae30f82e7b2c0a4b421f9e2af34563c4840fe8beb2f8be2b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7894a469ea246dae30f82e7b2c0a4b421f9e2af34563c4840fe8beb2f8be2b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7894a469ea246dae30f82e7b2c0a4b421f9e2af34563c4840fe8beb2f8be2b6b", kill_on_drop: false }`
[INFO] [stdout] 7894a469ea246dae30f82e7b2c0a4b421f9e2af34563c4840fe8beb2f8be2b6b
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e77695841b15e594989138317b6a8a68fcd52d845675ff2bab5469aed775fe
[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" "93e77695841b15e594989138317b6a8a68fcd52d845675ff2bab5469aed775fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking petgraph-graphml v1.0.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking rorqual v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use petgraph::graph::NodeIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `Dot`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::dot::{Dot, Config};
[INFO] [stdout]   |                     ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, fs::File, io::Write};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use petgraph::graph::NodeIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `Dot`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::dot::{Dot, Config};
[INFO] [stdout]   |                     ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, fs::File, io::Write};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut bc = analyser::centrality::betweenness_centrality(&commit_graph);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitFilter`
[INFO] [stdout]  --> src/git2graph.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct GitFilter {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accumulate_basic`
[INFO] [stdout]   --> src/analyser/centrality.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn accumulate_basic(&mut self, bn: BrandesNet) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut bc = analyser::centrality::betweenness_centrality(&commit_graph);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitFilter`
[INFO] [stdout]  --> src/git2graph.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct GitFilter {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accumulate_basic`
[INFO] [stdout]   --> src/analyser/centrality.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn accumulate_basic(&mut self, bn: BrandesNet) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "93e77695841b15e594989138317b6a8a68fcd52d845675ff2bab5469aed775fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e77695841b15e594989138317b6a8a68fcd52d845675ff2bab5469aed775fe", kill_on_drop: false }`
[INFO] [stdout] 93e77695841b15e594989138317b6a8a68fcd52d845675ff2bab5469aed775fe