[INFO] cloning repository https://github.com/RYOSKATE/dueling_bandits_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RYOSKATE/dueling_bandits_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRYOSKATE%2Fdueling_bandits_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRYOSKATE%2Fdueling_bandits_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97bab60cfae59bf66a57560e631463441fcb6337
[INFO] documenting RYOSKATE/dueling_bandits_simulator against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRYOSKATE%2Fdueling_bandits_simulator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RYOSKATE/dueling_bandits_simulator on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RYOSKATE/dueling_bandits_simulator
[INFO] finished tweaking git repo https://github.com/RYOSKATE/dueling_bandits_simulator
[INFO] tweaked toml for git repo https://github.com/RYOSKATE/dueling_bandits_simulator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RYOSKATE/dueling_bandits_simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d2a0c8fa3f4bf78136c56e28e2081a484d09759b3e1b98871ef6757a24a58c
[INFO] running `Command { std: "docker" "start" "-a" "c2d2a0c8fa3f4bf78136c56e28e2081a484d09759b3e1b98871ef6757a24a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d2a0c8fa3f4bf78136c56e28e2081a484d09759b3e1b98871ef6757a24a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d2a0c8fa3f4bf78136c56e28e2081a484d09759b3e1b98871ef6757a24a58c", kill_on_drop: false }`
[INFO] [stdout] c2d2a0c8fa3f4bf78136c56e28e2081a484d09759b3e1b98871ef6757a24a58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb5843ef9640c54191aebd14a2fdb1ef5eaee626882e4e36a4cc7d14a6d7c0b
[INFO] running `Command { std: "docker" "start" "-a" "7eb5843ef9640c54191aebd14a2fdb1ef5eaee626882e4e36a4cc7d14a6d7c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking array-macro v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]  Documenting dueling_bandits_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:84:96
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut wtr = csv::Writer::from_path(RESULTS_FILENAME).expect("Fail to open results file");;
[INFO] [stdout]    |                                                                                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:85:120
[INFO] [stdout]    |
[INFO] [stdout] 85 |     wtr.write_record(SimulationResult::toHeaderString().iter().map(|x| x.to_string())).expect("Fail to write results");;
[INFO] [stdout]    |                                                                                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "7eb5843ef9640c54191aebd14a2fdb1ef5eaee626882e4e36a4cc7d14a6d7c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb5843ef9640c54191aebd14a2fdb1ef5eaee626882e4e36a4cc7d14a6d7c0b", kill_on_drop: false }`
[INFO] [stdout] 7eb5843ef9640c54191aebd14a2fdb1ef5eaee626882e4e36a4cc7d14a6d7c0b