[INFO] updating cached repository https://github.com/rogermadjos/tsp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 626545b8855fdbb7bc591a237a7515178115549a
[INFO] checking rogermadjos/tsp against try#8c9c32a8d64d42555e366eecb0f0f2f23e15e3db for pr-63831
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogermadjos%2Ftsp" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogermadjos/tsp on toolchain 8c9c32a8d64d42555e366eecb0f0f2f23e15e3db
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8c9c32a8d64d42555e366eecb0f0f2f23e15e3db" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rogermadjos/tsp
[INFO] finished tweaking git repo https://github.com/rogermadjos/tsp
[INFO] tweaked toml for git repo https://github.com/rogermadjos/tsp written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rogermadjos/tsp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8c9c32a8d64d42555e366eecb0f0f2f23e15e3db" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8c9c32a8d64d42555e366eecb0f0f2f23e15e3db" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75fcd40b60b35cb19d3bff9f4963b0b5bf9055460c0d6282b499dbce46095879
[INFO] running `"docker" "start" "-a" "75fcd40b60b35cb19d3bff9f4963b0b5bf9055460c0d6282b499dbce46095879"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `City`
[INFO] [stderr]  --> src/tsp.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct City {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/tsp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn distance(&self, city: &City) -> f64 { ((self.x - city.x).powf(2.) + (self.y - city.y).powf(2.)).sqrt() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cities`
[INFO] [stderr]   --> src/tsp.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn cities(num_cities: u16, world_size: f64) -> Vec<City> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `total_distance`
[INFO] [stderr]   --> src/tsp.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn total_distance(cities: &Vec<City>, sequence: &Vec<usize>) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert`
[INFO] [stderr]   --> src/ga.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn invert(perm: &Vec<usize>) -> Vec<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr] error: mutable global state in a proc-macro
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.1.2/src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | static GLOBAL_SPECULATE_COUNT: AtomicUsize = AtomicUsize::new(0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `speculate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "75fcd40b60b35cb19d3bff9f4963b0b5bf9055460c0d6282b499dbce46095879"`
[INFO] running `"docker" "rm" "-f" "75fcd40b60b35cb19d3bff9f4963b0b5bf9055460c0d6282b499dbce46095879"`
[INFO] [stdout] 75fcd40b60b35cb19d3bff9f4963b0b5bf9055460c0d6282b499dbce46095879