[INFO] updating cached repository https://github.com/Christian-Rades/rorqual
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4c5be296dfd19afa224fa2f7e2805b7718c4993
[INFO] testing Christian-Rades/rorqual against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Rades%2Frorqual" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Christian-Rades/rorqual on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Christian-Rades/rorqual already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a82218dbc4a980cfab97fc19c05cadf9c0e444d3f47b0aad27a2e3ee43d8418e
[INFO] running `"docker" "start" "-a" "a82218dbc4a980cfab97fc19c05cadf9c0e444d3f47b0aad27a2e3ee43d8418e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling petgraph-graphml v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling rorqual v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `petgraph::graph::NodeIndex`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use petgraph::graph::NodeIndex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Config`, `Dot`
[INFO] [stderr]  --> src/main.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use petgraph::dot::{Dot, Config};
[INFO] [stderr]   |                     ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Write`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{env, fs::File, io::Write};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut bc = analyser::centrality::betweenness_centrality(&commit_graph);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitFilter`
[INFO] [stderr]  --> src/git2graph.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct GitFilter {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `accumulate_basic`
[INFO] [stderr]   --> src/analyser/centrality.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn accumulate_basic(&mut self, bn: BrandesNet) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "a82218dbc4a980cfab97fc19c05cadf9c0e444d3f47b0aad27a2e3ee43d8418e"`
[INFO] running `"docker" "rm" "-f" "a82218dbc4a980cfab97fc19c05cadf9c0e444d3f47b0aad27a2e3ee43d8418e"`
[INFO] [stdout] a82218dbc4a980cfab97fc19c05cadf9c0e444d3f47b0aad27a2e3ee43d8418e
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c474e72b1f136a8881c972aaadcb5d33298d74b1519940d5c9eb0430b20e8d31
[INFO] running `"docker" "start" "-a" "c474e72b1f136a8881c972aaadcb5d33298d74b1519940d5c9eb0430b20e8d31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rorqual v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `petgraph::graph::NodeIndex`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use petgraph::graph::NodeIndex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Config`, `Dot`
[INFO] [stderr]  --> src/main.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use petgraph::dot::{Dot, Config};
[INFO] [stderr]   |                     ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Write`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{env, fs::File, io::Write};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut bc = analyser::centrality::betweenness_centrality(&commit_graph);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitFilter`
[INFO] [stderr]  --> src/git2graph.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct GitFilter {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `accumulate_basic`
[INFO] [stderr]   --> src/analyser/centrality.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn accumulate_basic(&mut self, bn: BrandesNet) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "c474e72b1f136a8881c972aaadcb5d33298d74b1519940d5c9eb0430b20e8d31"`
[INFO] running `"docker" "rm" "-f" "c474e72b1f136a8881c972aaadcb5d33298d74b1519940d5c9eb0430b20e8d31"`
[INFO] [stdout] c474e72b1f136a8881c972aaadcb5d33298d74b1519940d5c9eb0430b20e8d31
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70b3b6ccffc6d7ed7311e6f8520b64f2a929b5f31036ccc2cf52d02a435ea5f1
[INFO] running `"docker" "start" "-a" "70b3b6ccffc6d7ed7311e6f8520b64f2a929b5f31036ccc2cf52d02a435ea5f1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `petgraph::graph::NodeIndex`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use petgraph::graph::NodeIndex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Config`, `Dot`
[INFO] [stderr]  --> src/main.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use petgraph::dot::{Dot, Config};
[INFO] [stderr]   |                     ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Write`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{env, fs::File, io::Write};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut bc = analyser::centrality::betweenness_centrality(&commit_graph);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitFilter`
[INFO] [stderr]  --> src/git2graph.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct GitFilter {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `accumulate_basic`
[INFO] [stderr]   --> src/analyser/centrality.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn accumulate_basic(&mut self, bn: BrandesNet) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rorqual-ecec9406df979286
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test git2graph::test_combinations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70b3b6ccffc6d7ed7311e6f8520b64f2a929b5f31036ccc2cf52d02a435ea5f1"`
[INFO] running `"docker" "rm" "-f" "70b3b6ccffc6d7ed7311e6f8520b64f2a929b5f31036ccc2cf52d02a435ea5f1"`
[INFO] [stdout] 70b3b6ccffc6d7ed7311e6f8520b64f2a929b5f31036ccc2cf52d02a435ea5f1