[INFO] cloning repository https://github.com/ykhr7121rkhy/Mandelbrot-set [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ykhr7121rkhy/Mandelbrot-set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykhr7121rkhy%2FMandelbrot-set", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykhr7121rkhy%2FMandelbrot-set'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 96954bb4013a3ef6f04115bda516a9ad3d5b22b0 [INFO] checking ykhr7121rkhy/Mandelbrot-set against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykhr7121rkhy%2FMandelbrot-set" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ykhr7121rkhy/Mandelbrot-set on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ykhr7121rkhy/Mandelbrot-set [INFO] finished tweaking git repo https://github.com/ykhr7121rkhy/Mandelbrot-set [INFO] tweaked toml for git repo https://github.com/ykhr7121rkhy/Mandelbrot-set written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ykhr7121rkhy/Mandelbrot-set 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3de86e55da1839313eb756280b0d2b9fcc1a5b4eec71effec0cfb4fa43ae3e6a [INFO] running `Command { std: "docker" "start" "-a" "3de86e55da1839313eb756280b0d2b9fcc1a5b4eec71effec0cfb4fa43ae3e6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3de86e55da1839313eb756280b0d2b9fcc1a5b4eec71effec0cfb4fa43ae3e6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3de86e55da1839313eb756280b0d2b9fcc1a5b4eec71effec0cfb4fa43ae3e6a", kill_on_drop: false }` [INFO] [stdout] 3de86e55da1839313eb756280b0d2b9fcc1a5b4eec71effec0cfb4fa43ae3e6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 394f8d707bda329646fb48451b01f249a4670801aa0e8fd5115070bc9d900474 [INFO] running `Command { std: "docker" "start" "-a" "394f8d707bda329646fb48451b01f249a4670801aa0e8fd5115070bc9d900474", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking gnuplot v0.0.37 [INFO] [stderr] Checking mandelbrot_set v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `complex` should have an upper camel case name [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct complex { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Complex` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut b : f64 = -2.000; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut i : i32 = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sub` and `mul` are never used [INFO] [stdout] --> src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl complex{ [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | fn sub(&mut self, b : &mut complex) -> complex{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn mul(&mut self, b : &mut complex) -> complex{ [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | fg.show(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = fg.show(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `complex` should have an upper camel case name [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct complex { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Complex` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut b : f64 = -2.000; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut i : i32 = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sub` and `mul` are never used [INFO] [stdout] --> src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl complex{ [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | fn sub(&mut self, b : &mut complex) -> complex{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn mul(&mut self, b : &mut complex) -> complex{ [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | fg.show(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = fg.show(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "394f8d707bda329646fb48451b01f249a4670801aa0e8fd5115070bc9d900474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "394f8d707bda329646fb48451b01f249a4670801aa0e8fd5115070bc9d900474", kill_on_drop: false }` [INFO] [stdout] 394f8d707bda329646fb48451b01f249a4670801aa0e8fd5115070bc9d900474