[INFO] cloning repository https://github.com/AlexHGrant/temperature-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexHGrant/temperature-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexHGrant%2Ftemperature-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexHGrant%2Ftemperature-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8b85c9f5f25a5e6981012456539f8b819cbe03c
[INFO] checking AlexHGrant/temperature-converter against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexHGrant%2Ftemperature-converter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexHGrant/temperature-converter
[INFO] finished tweaking git repo https://github.com/AlexHGrant/temperature-converter
[INFO] tweaked toml for git repo https://github.com/AlexHGrant/temperature-converter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexHGrant/temperature-converter on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexHGrant/temperature-converter 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a427eb899c4910b66adc35bf94b36318034b17e7eba4a86915b70228e2510e46
[INFO] running `Command { std: "docker" "start" "-a" "a427eb899c4910b66adc35bf94b36318034b17e7eba4a86915b70228e2510e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a427eb899c4910b66adc35bf94b36318034b17e7eba4a86915b70228e2510e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a427eb899c4910b66adc35bf94b36318034b17e7eba4a86915b70228e2510e46", kill_on_drop: false }`
[INFO] [stdout] a427eb899c4910b66adc35bf94b36318034b17e7eba4a86915b70228e2510e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bbff86ab207e6fc5f880d94e70f92750ac7691a28fd7e9bbbc73b3cb21aaac
[INFO] running `Command { std: "docker" "start" "-a" "41bbff86ab207e6fc5f880d94e70f92750ac7691a28fd7e9bbbc73b3cb21aaac", kill_on_drop: false }`
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[INFO] [stderr]     Checking temperatureconverter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn read_from_file() -> std::io::Result<(String)> {
[INFO] [stdout]    |                                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 80 - pub fn read_from_file() -> std::io::Result<(String)> {
[INFO] [stdout] 80 + pub fn read_from_file() -> std::io::Result<String > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Ok((contents))
[INFO] [stdout]    |        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -     Ok((contents))
[INFO] [stdout] 84 +     Ok(contents )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip)))
[INFO] [stdout]     |         ^                                                                                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         (format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip)))
[INFO] [stdout] 106 +         format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Ok(((resp.location.name, resp.location.region, resp.current.temp_c)))
[INFO] [stdout]     |        ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     Ok(((resp.location.name, resp.location.region, resp.current.temp_c)))
[INFO] [stdout] 108 +     Ok((resp.location.name, resp.location.region, resp.current.temp_c) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn read_from_file() -> std::io::Result<(String)> {
[INFO] [stdout]    |                                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 80 - pub fn read_from_file() -> std::io::Result<(String)> {
[INFO] [stdout] 80 + pub fn read_from_file() -> std::io::Result<String > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Ok((contents))
[INFO] [stdout]    |        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -     Ok((contents))
[INFO] [stdout] 84 +     Ok(contents )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip)))
[INFO] [stdout]     |         ^                                                                                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         (format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip)))
[INFO] [stdout] 106 +         format!("http://api.weatherapi.com/v1/current.json?key=93433e17da654845a4b23402241708&q={}&aqi=no", zip) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Ok(((resp.location.name, resp.location.region, resp.current.temp_c)))
[INFO] [stdout]     |        ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     Ok(((resp.location.name, resp.location.region, resp.current.temp_c)))
[INFO] [stdout] 108 +     Ok((resp.location.name, resp.location.region, resp.current.temp_c) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut contents= match read_from_file() {
[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: value assigned to `conversions` is never read
[INFO] [stdout]    --> src/lib.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut conversions: ((Scale, f32), (Scale, f32)) = ((Scale::Kelvin, 0.0), (Scale::Kelvin, 0.0));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut contents= match read_from_file() {
[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: value assigned to `conversions` is never read
[INFO] [stdout]    --> src/lib.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut conversions: ((Scale, f32), (Scale, f32)) = ((Scale::Kelvin, 0.0), (Scale::Kelvin, 0.0));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/main-gui.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |             if (self.page == Page::Temp) {
[INFO] [stdout]    |                ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             if (self.page == Page::Temp) {
[INFO] [stdout] 95 +             if self.page == Page::Temp {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bin/main-gui.rs:134:16
[INFO] [stdout]     |
[INFO] [stdout] 134 |             if (self.page == Page::Zip) {
[INFO] [stdout]     |                ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -             if (self.page == Page::Zip) {
[INFO] [stdout] 134 +             if self.page == Page::Zip {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bin/main-gui.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |             if (self.page == Page::Hist) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -             if (self.page == Page::Hist) {
[INFO] [stdout] 146 +             if self.page == Page::Hist {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "41bbff86ab207e6fc5f880d94e70f92750ac7691a28fd7e9bbbc73b3cb21aaac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bbff86ab207e6fc5f880d94e70f92750ac7691a28fd7e9bbbc73b3cb21aaac", kill_on_drop: false }`
[INFO] [stdout] 41bbff86ab207e6fc5f880d94e70f92750ac7691a28fd7e9bbbc73b3cb21aaac
