[INFO] cloning repository https://github.com/hobrin/TravellingSalesmanProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobrin/TravellingSalesmanProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobrin%2FTravellingSalesmanProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobrin%2FTravellingSalesmanProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6b141936e564efd4f4529d085a9d4a45b27e265
[INFO] testing hobrin/TravellingSalesmanProblem against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobrin%2FTravellingSalesmanProblem" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hobrin/TravellingSalesmanProblem
[INFO] finished tweaking git repo https://github.com/hobrin/TravellingSalesmanProblem
[INFO] tweaked toml for git repo https://github.com/hobrin/TravellingSalesmanProblem written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hobrin/TravellingSalesmanProblem on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hobrin/TravellingSalesmanProblem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded rustix v0.37.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec8f5e2675585b592d030d3a9b2762b08c3a7e26ce79771392833e9c0bd4acd7
[INFO] running `Command { std: "docker" "start" "-a" "ec8f5e2675585b592d030d3a9b2762b08c3a7e26ce79771392833e9c0bd4acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8f5e2675585b592d030d3a9b2762b08c3a7e26ce79771392833e9c0bd4acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8f5e2675585b592d030d3a9b2762b08c3a7e26ce79771392833e9c0bd4acd7", kill_on_drop: false }`
[INFO] [stdout] ec8f5e2675585b592d030d3a9b2762b08c3a7e26ce79771392833e9c0bd4acd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d142a299ec46137ebbab7a8933aca6a0a36ee68d68546b336788b4734e07c75
[INFO] running `Command { std: "docker" "start" "-a" "3d142a299ec46137ebbab7a8933aca6a0a36ee68d68546b336788b4734e07c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dialoguer v0.10.4
[INFO] [stderr]    Compiling brute_force v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let answer = 0.0;//dis_in_path(&do_brute_force(&cities), &cities);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dialoguer::Confirm`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dialoguer::Confirm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Instant, Duration};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tot_ops`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let tot_ops = (n_cities-1)*(n_cities-2)/2*factorial(n_cities-3);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tot_ops`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     for i in 0..3 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brute_force` (bin "brute_force") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3d142a299ec46137ebbab7a8933aca6a0a36ee68d68546b336788b4734e07c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d142a299ec46137ebbab7a8933aca6a0a36ee68d68546b336788b4734e07c75", kill_on_drop: false }`
[INFO] [stdout] 3d142a299ec46137ebbab7a8933aca6a0a36ee68d68546b336788b4734e07c75