[INFO] cloning repository https://github.com/FelixHaller/betweenness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FelixHaller/betweenness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixHaller%2Fbetweenness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixHaller%2Fbetweenness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3af4d2a93416392435922cda1d99f42fcb6250a
[INFO] checking FelixHaller/betweenness against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixHaller%2Fbetweenness" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FelixHaller/betweenness on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/FelixHaller/betweenness already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b1fcbaffedc821f3b2f75df9e71be4cdeabaae1087ea53d2a38049ad6387c44
[INFO] running `Command { std: "docker" "start" "-a" "4b1fcbaffedc821f3b2f75df9e71be4cdeabaae1087ea53d2a38049ad6387c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1fcbaffedc821f3b2f75df9e71be4cdeabaae1087ea53d2a38049ad6387c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1fcbaffedc821f3b2f75df9e71be4cdeabaae1087ea53d2a38049ad6387c44", kill_on_drop: false }`
[INFO] [stdout] 4b1fcbaffedc821f3b2f75df9e71be4cdeabaae1087ea53d2a38049ad6387c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42475a1d45a3e4a2ee6cf33c2a35208821c932ce3623f9ebeb2091e94667c7a2
[INFO] running `Command { std: "docker" "start" "-a" "42475a1d45a3e4a2ee6cf33c2a35208821c932ce3623f9ebeb2091e94667c7a2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking roulette v0.1.0
[INFO] [stderr]     Checking random_choice v0.3.2
[INFO] [stderr]     Checking betweenness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:301:40
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:301:40
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stoch_univ_samp`
[INFO] [stdout]    --> src/main.rs:566:4
[INFO] [stdout]     |
[INFO] [stdout] 566 | fn stoch_univ_samp(parent_population: &Vec<Individual>, to_select: usize) -> Vec<Individual> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stoch_univ_samp`
[INFO] [stdout]    --> src/main.rs:566:4
[INFO] [stdout]     |
[INFO] [stdout] 566 | fn stoch_univ_samp(parent_population: &Vec<Individual>, to_select: usize) -> Vec<Individual> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "42475a1d45a3e4a2ee6cf33c2a35208821c932ce3623f9ebeb2091e94667c7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42475a1d45a3e4a2ee6cf33c2a35208821c932ce3623f9ebeb2091e94667c7a2", kill_on_drop: false }`
[INFO] [stdout] 42475a1d45a3e4a2ee6cf33c2a35208821c932ce3623f9ebeb2091e94667c7a2