[INFO] fetching crate stpsyr 0.1.0...
[INFO] building stpsyr-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate stpsyr 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate stpsyr 0.1.0
[INFO] finished tweaking crates.io crate stpsyr 0.1.0
[INFO] tweaked toml for crates.io crate stpsyr 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stpsyr 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding csv v0.14.7 (available: v1.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb7c2971f58bffb79d12660999417480408acb31b6787aa472ef7fa18194bd39
[INFO] running `Command { std: "docker" "start" "-a" "fb7c2971f58bffb79d12660999417480408acb31b6787aa472ef7fa18194bd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb7c2971f58bffb79d12660999417480408acb31b6787aa472ef7fa18194bd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7c2971f58bffb79d12660999417480408acb31b6787aa472ef7fa18194bd39", kill_on_drop: false }`
[INFO] [stdout] fb7c2971f58bffb79d12660999417480408acb31b6787aa472ef7fa18194bd39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fad6534bdcbb8b5cac7c5fee54e4c871b24cdcd18dc431daeacd5ffa425beb41
[INFO] running `Command { std: "docker" "start" "-a" "fad6534bdcbb8b5cac7c5fee54e4c871b24cdcd18dc431daeacd5ffa425beb41", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling stpsyr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::adjudicate::*`
[INFO] [stdout]  --> src/stpsyr/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::adjudicate::*;
[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: `self::adjusts::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::adjusts::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::orders::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use self::orders::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::parse::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::parse::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::retreats::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::retreats::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::svg::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::svg::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use self::util::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stpsyr/svg.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut in_file = BufReader::new(File::open("data/standard.svg")?);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:239:24
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn find_paths<'a>(&'a self, path: Vec<&'a MapRegion>, target: &Province)
[INFO] [stdout]     |                        --                  -- the lifetime is named here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout] 239 |             -> Vec<Vec<&MapRegion>> {
[INFO] [stdout]     |                        ^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 239 |             -> Vec<Vec<&'a MapRegion>> {
[INFO] [stdout]     |                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&types::MapRegion` instead of cloning the inner type
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:241:42
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let region = path.last().unwrap().clone();
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "fad6534bdcbb8b5cac7c5fee54e4c871b24cdcd18dc431daeacd5ffa425beb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad6534bdcbb8b5cac7c5fee54e4c871b24cdcd18dc431daeacd5ffa425beb41", kill_on_drop: false }`
[INFO] [stdout] fad6534bdcbb8b5cac7c5fee54e4c871b24cdcd18dc431daeacd5ffa425beb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e24da014e1670ab5e9e03ef449ef3f3f120a7222a1f38c4d56a02203fb45dea2
[INFO] running `Command { std: "docker" "start" "-a" "e24da014e1670ab5e9e03ef449ef3f3f120a7222a1f38c4d56a02203fb45dea2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling stpsyr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::adjudicate::*`
[INFO] [stdout]  --> src/stpsyr/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::adjudicate::*;
[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: `self::adjusts::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::adjusts::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::orders::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use self::orders::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::parse::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::parse::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::retreats::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::retreats::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::svg::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::svg::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use self::util::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stpsyr/svg.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut in_file = BufReader::new(File::open("data/standard.svg")?);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:239:24
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn find_paths<'a>(&'a self, path: Vec<&'a MapRegion>, target: &Province)
[INFO] [stdout]     |                        --                  -- the lifetime is named here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout] 239 |             -> Vec<Vec<&MapRegion>> {
[INFO] [stdout]     |                        ^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 239 |             -> Vec<Vec<&'a MapRegion>> {
[INFO] [stdout]     |                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&types::MapRegion` instead of cloning the inner type
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:241:42
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let region = path.last().unwrap().clone();
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::adjudicate::*`
[INFO] [stdout]  --> src/stpsyr/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::adjudicate::*;
[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: `self::adjusts::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::adjusts::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `support_hold_order`
[INFO] [stdout]   --> tests/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! support_hold_order {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `order`
[INFO] [stdout]   --> tests/lib.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 | macro_rules! order {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_empty`
[INFO] [stdout]   --> tests/lib.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 | macro_rules! assert_empty {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::orders::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use self::orders::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_unit`
[INFO] [stdout]   --> tests/lib.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 | macro_rules! assert_unit {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::parse::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::parse::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::retreats::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::retreats::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::svg::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::svg::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::*`
[INFO] [stdout]   --> src/stpsyr/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use self::util::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/lib.rs:102:56
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     if parts.next().is_some() { panic!(err_msg); }
[INFO] [stdout]     |                                                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     if parts.next().is_some() { panic!("{}", err_msg); }
[INFO] [stdout]     |                                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stpsyr/svg.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut in_file = BufReader::new(File::open("data/standard.svg")?);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:239:24
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn find_paths<'a>(&'a self, path: Vec<&'a MapRegion>, target: &Province)
[INFO] [stdout]     |                        --                  -- the lifetime is named here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout] 239 |             -> Vec<Vec<&MapRegion>> {
[INFO] [stdout]     |                        ^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 239 |             -> Vec<Vec<&'a MapRegion>> {
[INFO] [stdout]     |                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&types::MapRegion` instead of cloning the inner type
[INFO] [stdout]    --> src/stpsyr/adjudicate.rs:241:42
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let region = path.last().unwrap().clone();
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "e24da014e1670ab5e9e03ef449ef3f3f120a7222a1f38c4d56a02203fb45dea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24da014e1670ab5e9e03ef449ef3f3f120a7222a1f38c4d56a02203fb45dea2", kill_on_drop: false }`
[INFO] [stdout] e24da014e1670ab5e9e03ef449ef3f3f120a7222a1f38c4d56a02203fb45dea2
