[INFO] cloning repository https://github.com/PSTumuluri/tsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PSTumuluri/tsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSTumuluri%2Ftsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSTumuluri%2Ftsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b94fb7b565d4324d83044a229dc7036943ad7064
[INFO] checking PSTumuluri/tsp against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSTumuluri%2Ftsp" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PSTumuluri/tsp on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PSTumuluri/tsp
[INFO] finished tweaking git repo https://github.com/PSTumuluri/tsp
[INFO] tweaked toml for git repo https://github.com/PSTumuluri/tsp written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PSTumuluri/tsp 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60a028f6114d22259d938b015f023375528f01b79090b75b74f4c205fe73515e
[INFO] running `Command { std: "docker" "start" "-a" "60a028f6114d22259d938b015f023375528f01b79090b75b74f4c205fe73515e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a028f6114d22259d938b015f023375528f01b79090b75b74f4c205fe73515e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a028f6114d22259d938b015f023375528f01b79090b75b74f4c205fe73515e", kill_on_drop: false }`
[INFO] [stdout] 60a028f6114d22259d938b015f023375528f01b79090b75b74f4c205fe73515e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3599d79da6e41f7dc6b34d62d51a7b6cf71fdd7c8991b54ea338c32141611fab
[INFO] running `Command { std: "docker" "start" "-a" "3599d79da6e41f7dc6b34d62d51a7b6cf71fdd7c8991b54ea338c32141611fab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::swap`
[INFO] [stdout]  --> src/weighted_graph.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::swap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/genotype/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/genotype.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |             HashSet::from_iter((0..num_alleles));
[INFO] [stdout]    |                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             HashSet::from_iter((0..num_alleles));
[INFO] [stdout] 95 +             HashSet::from_iter(0..num_alleles);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::swap`
[INFO] [stdout]  --> src/weighted_graph.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::swap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/genotype/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/genotype.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |             HashSet::from_iter((0..num_alleles));
[INFO] [stdout]    |                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             HashSet::from_iter((0..num_alleles));
[INFO] [stdout] 95 +             HashSet::from_iter(0..num_alleles);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:175:34
[INFO] [stdout]     |
[INFO] [stdout] 175 |         assert_eq!(20.0, fitness(graph, &genotype));
[INFO] [stdout]     |                          ------- ^^^^^ expected `&WeightedGraph`, found `WeightedGraph`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/lib.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn fitness(environ: &WeightedGraph, individual: &[usize]) -> f64 {
[INFO] [stdout]     |    ^^^^^^^ -----------------------
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 175 |         assert_eq!(20.0, fitness(&graph, &genotype));
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/weighted_graph.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn weight_between(&self, mut v: usize, mut u: usize) -> f64 {
[INFO] [stdout]    |                                  ----^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/weighted_graph.rs:50:48
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn weight_between(&self, mut v: usize, mut u: usize) -> f64 {
[INFO] [stdout]    |                                                ----^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tsp` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/genotype.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut pos1 = rng.gen_range(0..num_alleles);
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/genotype.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut pos2 = rng.gen_range(0..num_alleles);
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/lib.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn try_open_file(file_name: &str) -> Result<File, &'static str> {
[INFO] [stdout]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_open_file` is never used
[INFO] [stdout]   --> src/lib.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn try_open_file(file_name: &str) -> Result<File, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/weighted_graph.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl WeightedGraph {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `num_alleles`, `allele`, and `print` are never used
[INFO] [stdout]    --> src/genotype.rs:32:12
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl Genotype {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32  |     pub fn num_alleles(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38  |     pub fn allele(&self, pos: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3599d79da6e41f7dc6b34d62d51a7b6cf71fdd7c8991b54ea338c32141611fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3599d79da6e41f7dc6b34d62d51a7b6cf71fdd7c8991b54ea338c32141611fab", kill_on_drop: false }`
[INFO] [stdout] 3599d79da6e41f7dc6b34d62d51a7b6cf71fdd7c8991b54ea338c32141611fab
