[INFO] cloning repository https://github.com/TakayunDev/rust-mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TakayunDev/rust-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakayunDev%2Frust-mandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakayunDev%2Frust-mandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f649fbd07cbf6b263d7eb50f4f19e12aed161567 [INFO] testing TakayunDev/rust-mandelbrot against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakayunDev%2Frust-mandelbrot" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TakayunDev/rust-mandelbrot on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TakayunDev/rust-mandelbrot [INFO] finished tweaking git repo https://github.com/TakayunDev/rust-mandelbrot [INFO] tweaked toml for git repo https://github.com/TakayunDev/rust-mandelbrot written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/TakayunDev/rust-mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbbf11bb2307b4a83468c58cd5bc04cc59ebba92442f69b3a6a10b618f1e0ede [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dbbf11bb2307b4a83468c58cd5bc04cc59ebba92442f69b3a6a10b618f1e0ede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbbf11bb2307b4a83468c58cd5bc04cc59ebba92442f69b3a6a10b618f1e0ede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbbf11bb2307b4a83468c58cd5bc04cc59ebba92442f69b3a6a10b618f1e0ede", kill_on_drop: false }` [INFO] [stdout] dbbf11bb2307b4a83468c58cd5bc04cc59ebba92442f69b3a6a10b618f1e0ede [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78d104098da9d2c193b5c1905a39b49321b0d74a38568f21d895cd10ef9ff252 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "78d104098da9d2c193b5c1905a39b49321b0d74a38568f21d895cd10ef9ff252", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling inflate v0.2.0 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling png v0.7.0 [INFO] [stderr] Compiling rayon v1.1.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.13.0 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let mut output = File::create(filename)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_loop` [INFO] [stdout] --> src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn square_loop(mut x: f64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_add_loop` [INFO] [stdout] --> src/main.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn square_add_loop(c: f64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | / encoder.encode(&pixels, [INFO] [stdout] 173 | | bounds.0 as u32, bounds.1 as u32, [INFO] [stdout] 174 | | ColorType::Gray(8)); [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.43s [INFO] running `Command { std: "docker" "inspect" "78d104098da9d2c193b5c1905a39b49321b0d74a38568f21d895cd10ef9ff252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78d104098da9d2c193b5c1905a39b49321b0d74a38568f21d895cd10ef9ff252", kill_on_drop: false }` [INFO] [stdout] 78d104098da9d2c193b5c1905a39b49321b0d74a38568f21d895cd10ef9ff252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73021b4576b660275a46f109cb7f529f64080c1e2152dccdcd1f7bbb5539c6a1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "73021b4576b660275a46f109cb7f529f64080c1e2152dccdcd1f7bbb5539c6a1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let mut output = File::create(filename)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_loop` [INFO] [stdout] --> src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn square_loop(mut x: f64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_add_loop` [INFO] [stdout] --> src/main.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn square_add_loop(c: f64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | / encoder.encode(&pixels, [INFO] [stdout] 173 | | bounds.0 as u32, bounds.1 as u32, [INFO] [stdout] 174 | | ColorType::Gray(8)); [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "73021b4576b660275a46f109cb7f529f64080c1e2152dccdcd1f7bbb5539c6a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73021b4576b660275a46f109cb7f529f64080c1e2152dccdcd1f7bbb5539c6a1", kill_on_drop: false }` [INFO] [stdout] 73021b4576b660275a46f109cb7f529f64080c1e2152dccdcd1f7bbb5539c6a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 93fb3127948190d86d0b7587d643ccc703b2a5b54859cdf0e0bf8660bbf7672b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "93fb3127948190d86d0b7587d643ccc703b2a5b54859cdf0e0bf8660bbf7672b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 3 tests [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stdout] test test_parse_pair ... ok [INFO] [stderr] | [INFO] [stdout] test test_parse_complex ... ok [INFO] [stderr] 169 | let mut output = File::create(filename)?; [INFO] [stdout] test test_pixel_to_point ... ok [INFO] [stderr] | ----^^^^^^ [INFO] [stdout] [INFO] [stderr] | | [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] | help: remove this `mut` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `square_loop` [INFO] [stderr] --> src/main.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn square_loop(mut x: f64) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `square_add_loop` [INFO] [stderr] --> src/main.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn square_add_loop(c: f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | / encoder.encode(&pixels, [INFO] [stderr] 173 | | bounds.0 as u32, bounds.1 as u32, [INFO] [stderr] 174 | | ColorType::Gray(8)); [INFO] [stderr] | |_______________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbrot-fd04d50eb20e72b9 [INFO] running `Command { std: "docker" "inspect" "93fb3127948190d86d0b7587d643ccc703b2a5b54859cdf0e0bf8660bbf7672b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93fb3127948190d86d0b7587d643ccc703b2a5b54859cdf0e0bf8660bbf7672b", kill_on_drop: false }` [INFO] [stdout] 93fb3127948190d86d0b7587d643ccc703b2a5b54859cdf0e0bf8660bbf7672b