[INFO] cloning repository https://github.com/timgluz/teeline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timgluz/teeline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimgluz%2Fteeline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimgluz%2Fteeline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a720cd03aad11b631259522b537c0ccacb25c341
[INFO] checking timgluz/teeline against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimgluz%2Fteeline" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timgluz/teeline
[INFO] finished tweaking git repo https://github.com/timgluz/teeline
[INFO] tweaked toml for git repo https://github.com/timgluz/teeline written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timgluz/teeline on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timgluz/teeline 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 4e80e3b21b57c562116291571e50d61716d8ba8b4b0a65079139915f637f17f3
[INFO] running `Command { std: "docker" "start" "-a" "4e80e3b21b57c562116291571e50d61716d8ba8b4b0a65079139915f637f17f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e80e3b21b57c562116291571e50d61716d8ba8b4b0a65079139915f637f17f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e80e3b21b57c562116291571e50d61716d8ba8b4b0a65079139915f637f17f3", kill_on_drop: false }`
[INFO] [stdout] 4e80e3b21b57c562116291571e50d61716d8ba8b4b0a65079139915f637f17f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7746383f13bf52901eb62d95497f3992de45ce5661f0525d4054eb9d05c208
[INFO] running `Command { std: "docker" "start" "-a" "bc7746383f13bf52901eb62d95497f3992de45ce5661f0525d4054eb9d05c208", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
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[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/tsp/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::fmt;
[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: `std::fmt`
[INFO] [stdout]   --> src/tsp/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::fmt;
[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 variable: `i`
[INFO] [stdout]    --> src/tsp/genetic_algorithm.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in 0..gene_len {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_id` is never read
[INFO] [stdout]   --> src/tsp/distance_matrix.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct DistanceMatrix {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 66 |     first_id: usize, // TODO: remove - the first city id, default 0
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DistanceMatrix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `point` and `cmp` are never used
[INFO] [stdout]    --> src/tsp/kdtree.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl KDNode {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn point(&self) -> &KDPoint {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn cmp(&self, other: &KDNode) -> Option<Ordering> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const GREEN: RGBA = [0.0, 1.0, 0.0, 0.9];
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLUE` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const BLUE: RGBA = [0.0, 0.0, 1.0, 0.9];
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VISITED_COLOR` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const VISITED_COLOR: RGBA = GREEN;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tsp/kdtree.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let tree_points = points.clone().to_vec();
[INFO] [stdout]    |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[tsp::kdtree::KDPoint]` does not implement `Clone`, so calling `clone` on `&[tsp::kdtree::KDPoint]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/kdtree.rs:292:37
[INFO] [stdout]     |
[INFO] [stdout] 292 |         self.left.as_ref().map(|n| n.clone())
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<tsp::kdtree::KDNode>` does not implement `Clone`, so calling `clone` on `&Box<tsp::kdtree::KDNode>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 292 -         self.left.as_ref().map(|n| n.clone())
[INFO] [stdout] 292 +         self.left.as_ref().map(|n| n)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/kdtree.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |         self.right.as_ref().map(|n| n.clone())
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<tsp::kdtree::KDNode>` does not implement `Clone`, so calling `clone` on `&Box<tsp::kdtree::KDNode>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 296 -         self.right.as_ref().map(|n| n.clone())
[INFO] [stdout] 296 +         self.right.as_ref().map(|n| n)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/tsp/tsplib.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let text = String::from_str(txt.as_ref()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/tsp/tsplib.rs:176:20
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let text = String::from_str(txt.as_ref()).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/tsplib.rs:178:44
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let id_str = tokens.next().unwrap().clone();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teeline` (lib test) due to 2 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tsp/genetic_algorithm.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in 0..gene_len {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_approx` is never used
[INFO] [stdout]  --> src/test/helpers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn assert_approx(expected_val: f32, actual_val: f32) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_id` is never read
[INFO] [stdout]   --> src/tsp/distance_matrix.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct DistanceMatrix {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 66 |     first_id: usize, // TODO: remove - the first city id, default 0
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DistanceMatrix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimensionality` is never read
[INFO] [stdout]   --> src/tsp/kdtree.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct KDTree {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 86 |     size: usize,
[INFO] [stdout] 87 |     dimensionality: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KDTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add` and `add_rec` are never used
[INFO] [stdout]    --> src/tsp/kdtree.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl KDTree {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn add(&mut self, new_point: KDPoint) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn add_rec(&mut self, parent: KDSubTree, new_point: KDPoint, depth: usize) -> KDSubTree {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `point` and `cmp` are never used
[INFO] [stdout]    --> src/tsp/kdtree.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl KDNode {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn point(&self) -> &KDPoint {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn cmp(&self, other: &KDNode) -> Option<Ordering> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const GREEN: RGBA = [0.0, 1.0, 0.0, 0.9];
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLUE` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const BLUE: RGBA = [0.0, 0.0, 1.0, 0.9];
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VISITED_COLOR` is never used
[INFO] [stdout]   --> src/tsp/progress.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const VISITED_COLOR: RGBA = GREEN;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tsp/kdtree.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let tree_points = points.clone().to_vec();
[INFO] [stdout]    |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[KDPoint]` does not implement `Clone`, so calling `clone` on `&[KDPoint]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/kdtree.rs:292:37
[INFO] [stdout]     |
[INFO] [stdout] 292 |         self.left.as_ref().map(|n| n.clone())
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<KDNode>` does not implement `Clone`, so calling `clone` on `&Box<KDNode>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 292 -         self.left.as_ref().map(|n| n.clone())
[INFO] [stdout] 292 +         self.left.as_ref().map(|n| n)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/kdtree.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |         self.right.as_ref().map(|n| n.clone())
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<KDNode>` does not implement `Clone`, so calling `clone` on `&Box<KDNode>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 296 -         self.right.as_ref().map(|n| n.clone())
[INFO] [stdout] 296 +         self.right.as_ref().map(|n| n)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/tsp/tsplib.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let text = String::from_str(txt.as_ref()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/tsp/tsplib.rs:176:20
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let text = String::from_str(txt.as_ref()).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tsp/tsplib.rs:178:44
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let id_str = tokens.next().unwrap().clone();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teeline` (lib) due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bc7746383f13bf52901eb62d95497f3992de45ce5661f0525d4054eb9d05c208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7746383f13bf52901eb62d95497f3992de45ce5661f0525d4054eb9d05c208", kill_on_drop: false }`
[INFO] [stdout] bc7746383f13bf52901eb62d95497f3992de45ce5661f0525d4054eb9d05c208
