[INFO] updating cached repository https://github.com/FelixHaller/betweenness
[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] e3af4d2a93416392435922cda1d99f42fcb6250a
[INFO] testing FelixHaller/betweenness against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixHaller%2Fbetweenness" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FelixHaller/betweenness 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/FelixHaller/betweenness
[INFO] finished tweaking git repo https://github.com/FelixHaller/betweenness
[INFO] tweaked toml for git repo https://github.com/FelixHaller/betweenness written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/FelixHaller/betweenness 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e35cfb1c97779d67c431879852299dfb2ae32201b2b9782aaa2a02b70e804e65
[INFO] running `"docker" "start" "-a" "e35cfb1c97779d67c431879852299dfb2ae32201b2b9782aaa2a02b70e804e65"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling roulette v0.1.0
[INFO] [stderr]    Compiling random_choice v0.3.2
[INFO] [stderr]    Compiling betweenness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:301:40
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   why.description()),
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stoch_univ_samp`
[INFO] [stderr]    --> src/main.rs:566:4
[INFO] [stderr]     |
[INFO] [stderr] 566 | fn stoch_univ_samp(parent_population: &Vec<Individual>, to_select: usize) -> Vec<Individual> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `"docker" "inspect" "e35cfb1c97779d67c431879852299dfb2ae32201b2b9782aaa2a02b70e804e65"`
[INFO] running `"docker" "rm" "-f" "e35cfb1c97779d67c431879852299dfb2ae32201b2b9782aaa2a02b70e804e65"`
[INFO] [stdout] e35cfb1c97779d67c431879852299dfb2ae32201b2b9782aaa2a02b70e804e65
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a596dad1e01dec61299f62c370e7279bd840cd085310723d5510938f2bddf022
[INFO] running `"docker" "start" "-a" "a596dad1e01dec61299f62c370e7279bd840cd085310723d5510938f2bddf022"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling betweenness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:301:40
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   why.description()),
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stoch_univ_samp`
[INFO] [stderr]    --> src/main.rs:566:4
[INFO] [stderr]     |
[INFO] [stderr] 566 | fn stoch_univ_samp(parent_population: &Vec<Individual>, to_select: usize) -> Vec<Individual> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "a596dad1e01dec61299f62c370e7279bd840cd085310723d5510938f2bddf022"`
[INFO] running `"docker" "rm" "-f" "a596dad1e01dec61299f62c370e7279bd840cd085310723d5510938f2bddf022"`
[INFO] [stdout] a596dad1e01dec61299f62c370e7279bd840cd085310723d5510938f2bddf022
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c25c17a3280176265bd3171c486b4d3f507460a0ad5e277a552d5fe38ae4584a
[INFO] running `"docker" "start" "-a" "c25c17a3280176265bd3171c486b4d3f507460a0ad5e277a552d5fe38ae4584a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:301:40
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   why.description()),
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stoch_univ_samp`
[INFO] [stderr]    --> src/main.rs:566:4
[INFO] [stderr]     |
[INFO] [stderr] 566 | fn stoch_univ_samp(parent_population: &Vec<Individual>, to_select: usize) -> Vec<Individual> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/betweenness-025721c2d04e277b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c25c17a3280176265bd3171c486b4d3f507460a0ad5e277a552d5fe38ae4584a"`
[INFO] running `"docker" "rm" "-f" "c25c17a3280176265bd3171c486b4d3f507460a0ad5e277a552d5fe38ae4584a"`
[INFO] [stdout] c25c17a3280176265bd3171c486b4d3f507460a0ad5e277a552d5fe38ae4584a