[INFO] cloning repository https://github.com/zrwaite/curcuit_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zrwaite/curcuit_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzrwaite%2Fcurcuit_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzrwaite%2Fcurcuit_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f43f6113d13a914fbd88aa21bd828c7fc92389c
[INFO] checking zrwaite/curcuit_solver against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzrwaite%2Fcurcuit_solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zrwaite/curcuit_solver on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zrwaite/curcuit_solver
[INFO] finished tweaking git repo https://github.com/zrwaite/curcuit_solver
[INFO] tweaked toml for git repo https://github.com/zrwaite/curcuit_solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zrwaite/curcuit_solver 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7adc57a2dc3198882008c5985162fb067cecc5300b1f30fce47e88aca6b5045c
[INFO] running `Command { std: "docker" "start" "-a" "7adc57a2dc3198882008c5985162fb067cecc5300b1f30fce47e88aca6b5045c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adc57a2dc3198882008c5985162fb067cecc5300b1f30fce47e88aca6b5045c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adc57a2dc3198882008c5985162fb067cecc5300b1f30fce47e88aca6b5045c", kill_on_drop: false }`
[INFO] [stdout] 7adc57a2dc3198882008c5985162fb067cecc5300b1f30fce47e88aca6b5045c
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad87619c2fff35ea3d817127fca06706fceca3ea5c5fded760898e649ebf172d
[INFO] running `Command { std: "docker" "start" "-a" "ad87619c2fff35ea3d817127fca06706fceca3ea5c5fded760898e649ebf172d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking circuit_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/terminal.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let flags = parse::get_flags(command_strings);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_voltage`, `current_sources`, and `voltage_sources` are never read
[INFO] [stdout]  --> src/circuit/circuit_node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Node {
[INFO] [stdout]   |                ---- fields in this struct
[INFO] [stdout] 3 |         pub node_voltage: f32,
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 4 |         pub resistors: Vec<usize>, //Index
[INFO] [stdout] 5 |         pub current_sources: Vec<(usize, bool)>, //Index, positive direction
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |         pub voltage_sources: Vec<(usize, bool)> //Index, positive terminal
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_resistor`, `add_current_source`, and `add_voltage_source` are never used
[INFO] [stdout]   --> src/circuit/circuit_node.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Node {
[INFO] [stdout]    |     --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |         pub fn add_resistor(&mut self, index: usize) {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |         pub fn add_current_source(&mut self, index:usize, positive_direction: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |         pub fn add_voltage_source(&mut self, index:usize, positive_terminal: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_value` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_value(value_type: String, colour:String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_resistance_from_colours` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_resistance_from_colours(colours: Vec<String>) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_voltage` is never read
[INFO] [stdout]  --> src/circuit/circuit_node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Node {
[INFO] [stdout]   |                ---- field in this struct
[INFO] [stdout] 3 |         pub node_voltage: f32,
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Resistor` is never constructed
[INFO] [stdout]  --> src/circuit/resistor.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Resistor {
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Resistor {
[INFO] [stdout]    |     ------------- associated function in this implementation
[INFO] [stdout] 10 |         pub fn new(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_colours` is never used
[INFO] [stdout]   --> src/terminal/get_input.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn read_colours() -> Vec<String>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/terminal.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let flags = parse::get_flags(command_strings);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_voltage`, `current_sources`, and `voltage_sources` are never read
[INFO] [stdout]  --> src/circuit/circuit_node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Node {
[INFO] [stdout]   |                ---- fields in this struct
[INFO] [stdout] 3 |         pub node_voltage: f32,
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 4 |         pub resistors: Vec<usize>, //Index
[INFO] [stdout] 5 |         pub current_sources: Vec<(usize, bool)>, //Index, positive direction
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |         pub voltage_sources: Vec<(usize, bool)> //Index, positive terminal
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_resistor`, `add_current_source`, and `add_voltage_source` are never used
[INFO] [stdout]   --> src/circuit/circuit_node.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Node {
[INFO] [stdout]    |     --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |         pub fn add_resistor(&mut self, index: usize) {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |         pub fn add_current_source(&mut self, index:usize, positive_direction: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |         pub fn add_voltage_source(&mut self, index:usize, positive_terminal: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_value` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_value(value_type: String, colour:String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_resistance_from_colours` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_resistance_from_colours(colours: Vec<String>) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_voltage` is never read
[INFO] [stdout]  --> src/circuit/circuit_node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Node {
[INFO] [stdout]   |                ---- field in this struct
[INFO] [stdout] 3 |         pub node_voltage: f32,
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Resistor` is never constructed
[INFO] [stdout]  --> src/circuit/resistor.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Resistor {
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/circuit/resistor.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Resistor {
[INFO] [stdout]    |     ------------- associated function in this implementation
[INFO] [stdout] 10 |         pub fn new(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_colours` is never used
[INFO] [stdout]   --> src/terminal/get_input.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn read_colours() -> Vec<String>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "ad87619c2fff35ea3d817127fca06706fceca3ea5c5fded760898e649ebf172d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad87619c2fff35ea3d817127fca06706fceca3ea5c5fded760898e649ebf172d", kill_on_drop: false }`
[INFO] [stdout] ad87619c2fff35ea3d817127fca06706fceca3ea5c5fded760898e649ebf172d