[INFO] cloning repository https://github.com/MasonEG/Mandelbrot_Rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasonEG/Mandelbrot_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 207da21de7ecff31fb708fd3ab55e24b8f9005f6 [INFO] testing MasonEG/Mandelbrot_Rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MasonEG/Mandelbrot_Rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MasonEG/Mandelbrot_Rust [INFO] finished tweaking git repo https://github.com/MasonEG/Mandelbrot_Rust [INFO] tweaked toml for git repo https://github.com/MasonEG/Mandelbrot_Rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/MasonEG/Mandelbrot_Rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a04393298d43e13ba676e43c722aa1bd8890159a92f37f5913dc3613c9381ab0 [INFO] running `"docker" "start" "-a" "a04393298d43e13ba676e43c722aa1bd8890159a92f37f5913dc3613c9381ab0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling deflate v0.8.3 [INFO] [stderr] Compiling png v0.16.1 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling image v0.23.2 [INFO] [stderr] Compiling Mandelbrot_Rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `r_factor` [INFO] [stderr] --> src/main.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | let r_factor = if range_val <= 1.5 { (range_val - 0.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g_factor` [INFO] [stderr] --> src/main.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | let g_factor = (range_val - 1.0).abs(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_factor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b_factor` [INFO] [stderr] --> src/main.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let b_factor = if range_val >= 0.5 { (range_val - 1.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_factor` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:21 [INFO] [stderr] | [INFO] [stderr] 35 | let mut r: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | let mut g: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | let mut b: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `Mandelbrot_Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `mandelbrot_rust` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.74s [INFO] running `"docker" "inspect" "a04393298d43e13ba676e43c722aa1bd8890159a92f37f5913dc3613c9381ab0"` [INFO] running `"docker" "rm" "-f" "a04393298d43e13ba676e43c722aa1bd8890159a92f37f5913dc3613c9381ab0"` [INFO] [stdout] a04393298d43e13ba676e43c722aa1bd8890159a92f37f5913dc3613c9381ab0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 070d3bcf6273fd1fa26aa37845b05797559d8ecdaec5c2a1ebd79038fe002eef [INFO] running `"docker" "start" "-a" "070d3bcf6273fd1fa26aa37845b05797559d8ecdaec5c2a1ebd79038fe002eef"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling Mandelbrot_Rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `r_factor` [INFO] [stderr] --> src/main.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | let r_factor = if range_val <= 1.5 { (range_val - 0.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g_factor` [INFO] [stderr] --> src/main.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | let g_factor = (range_val - 1.0).abs(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_factor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b_factor` [INFO] [stderr] --> src/main.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let b_factor = if range_val >= 0.5 { (range_val - 1.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_factor` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:21 [INFO] [stderr] | [INFO] [stderr] 35 | let mut r: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | let mut g: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | let mut b: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `Mandelbrot_Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `mandelbrot_rust` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 28.25s [INFO] running `"docker" "inspect" "070d3bcf6273fd1fa26aa37845b05797559d8ecdaec5c2a1ebd79038fe002eef"` [INFO] running `"docker" "rm" "-f" "070d3bcf6273fd1fa26aa37845b05797559d8ecdaec5c2a1ebd79038fe002eef"` [INFO] [stdout] 070d3bcf6273fd1fa26aa37845b05797559d8ecdaec5c2a1ebd79038fe002eef [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c330b3dc4abe472739871919981d55c8d95474a9fef3b8dafcc585675ddc778b [INFO] running `"docker" "start" "-a" "c330b3dc4abe472739871919981d55c8d95474a9fef3b8dafcc585675ddc778b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `r_factor` [INFO] [stderr] --> src/main.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | let r_factor = if range_val <= 1.5 { (range_val - 0.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g_factor` [INFO] [stderr] --> src/main.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | let g_factor = (range_val - 1.0).abs(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_factor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b_factor` [INFO] [stderr] --> src/main.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let b_factor = if range_val >= 0.5 { (range_val - 1.5).abs() } [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_factor` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:21 [INFO] [stderr] | [INFO] [stderr] 35 | let mut r: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | let mut g: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | let mut b: u8 = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `Mandelbrot_Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `mandelbrot_rust` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/Mandelbrot_Rust-fd858673d2502cb4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c330b3dc4abe472739871919981d55c8d95474a9fef3b8dafcc585675ddc778b"` [INFO] running `"docker" "rm" "-f" "c330b3dc4abe472739871919981d55c8d95474a9fef3b8dafcc585675ddc778b"` [INFO] [stdout] c330b3dc4abe472739871919981d55c8d95474a9fef3b8dafcc585675ddc778b