[INFO] cloning repository https://github.com/CharmanderTheDev/CalcSFC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CharmanderTheDev/CalcSFC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharmanderTheDev%2FCalcSFC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharmanderTheDev%2FCalcSFC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dd35e8c1667bff87867ac8ed422b3ea8e5552f1
[INFO] checking CharmanderTheDev/CalcSFC against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharmanderTheDev%2FCalcSFC" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CharmanderTheDev/CalcSFC
[INFO] finished tweaking git repo https://github.com/CharmanderTheDev/CalcSFC
[INFO] tweaked toml for git repo https://github.com/CharmanderTheDev/CalcSFC written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CharmanderTheDev/CalcSFC on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CharmanderTheDev/CalcSFC 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded cc v1.1.0
[INFO] [stderr]   Downloaded sdl2 v0.37.0
[INFO] [stderr]   Downloaded sdl2-sys v0.37.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb95474486b02c7efe97729a9855e8fbb2e1388d8572ad7a71469aa642a87634
[INFO] running `Command { std: "docker" "start" "-a" "bb95474486b02c7efe97729a9855e8fbb2e1388d8572ad7a71469aa642a87634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb95474486b02c7efe97729a9855e8fbb2e1388d8572ad7a71469aa642a87634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb95474486b02c7efe97729a9855e8fbb2e1388d8572ad7a71469aa642a87634", kill_on_drop: false }`
[INFO] [stdout] bb95474486b02c7efe97729a9855e8fbb2e1388d8572ad7a71469aa642a87634
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca495ae490c2b79753c1a49d298de6cf9b20d80f2b651e6adc30c4aa7915726
[INFO] running `Command { std: "docker" "start" "-a" "3ca495ae490c2b79753c1a49d298de6cf9b20d80f2b651e6adc30c4aa7915726", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling sdl2 v0.37.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling sdl2-sys v0.37.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking graphing_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num`
[INFO] [stdout]  --> src/functionreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num;
[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::num`
[INFO] [stdout]  --> src/functionreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/functionreader.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     return Ok(match operand {
[INFO] [stdout] 75 | |         Operand::PLUS => first_operator.0 + second_operator,
[INFO] [stdout] 76 | |         Operand::MINUS => first_operator.0 - second_operator,
[INFO] [stdout] 77 | |         Operand::DIVIDE => first_operator.0 / second_operator,
[INFO] [stdout] 78 | |         Operand::EXPONENT => first_operator.0.powf(second_operator),
[INFO] [stdout] 79 | |         _=> first_operator.0 * second_operator,
[INFO] [stdout] 80 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 85 |       return Result::Err("unidentified error".to_string())
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/functionreader.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     return Ok(match operand {
[INFO] [stdout] 75 | |         Operand::PLUS => first_operator.0 + second_operator,
[INFO] [stdout] 76 | |         Operand::MINUS => first_operator.0 - second_operator,
[INFO] [stdout] 77 | |         Operand::DIVIDE => first_operator.0 / second_operator,
[INFO] [stdout] 78 | |         Operand::EXPONENT => first_operator.0.powf(second_operator),
[INFO] [stdout] 79 | |         _=> first_operator.0 * second_operator,
[INFO] [stdout] 80 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 85 |       return Result::Err("unidentified error".to_string())
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 31s
[INFO] running `Command { std: "docker" "inspect" "3ca495ae490c2b79753c1a49d298de6cf9b20d80f2b651e6adc30c4aa7915726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca495ae490c2b79753c1a49d298de6cf9b20d80f2b651e6adc30c4aa7915726", kill_on_drop: false }`
[INFO] [stdout] 3ca495ae490c2b79753c1a49d298de6cf9b20d80f2b651e6adc30c4aa7915726