[INFO] cloning repository https://github.com/philipandwaffle/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philipandwaffle/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilipandwaffle%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilipandwaffle%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d3087f8d50eebfa51a261a05a2888be429e33ac [INFO] testing philipandwaffle/mandelbrot against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilipandwaffle%2Fmandelbrot" "/workspace/builds/worker-71/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/philipandwaffle/mandelbrot on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/philipandwaffle/mandelbrot [INFO] finished tweaking git repo https://github.com/philipandwaffle/mandelbrot [INFO] tweaked toml for git repo https://github.com/philipandwaffle/mandelbrot written to /workspace/builds/worker-71/source/Cargo.toml [INFO] crate git repo https://github.com/philipandwaffle/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2efb7e0ae7bf32944f3ff1a3a2680c1249b2449488f191c3471c9c18eeabcfb5 [INFO] running `Command { std: "docker" "start" "-a" "2efb7e0ae7bf32944f3ff1a3a2680c1249b2449488f191c3471c9c18eeabcfb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2efb7e0ae7bf32944f3ff1a3a2680c1249b2449488f191c3471c9c18eeabcfb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2efb7e0ae7bf32944f3ff1a3a2680c1249b2449488f191c3471c9c18eeabcfb5", kill_on_drop: false }` [INFO] [stdout] 2efb7e0ae7bf32944f3ff1a3a2680c1249b2449488f191c3471c9c18eeabcfb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f0843c42c3ce6abb3e4d3e0bb0c625712e5701e0a1378b6170704119309a03a [INFO] running `Command { std: "docker" "start" "-a" "2f0843c42c3ce6abb3e4d3e0bb0c625712e5701e0a1378b6170704119309a03a", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bytemuck v1.7.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling gif v0.11.3 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mandelbrot.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut img = ImageBuffer::from_fn(x_pixels, y_pixels, |x, y| { [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: associated function is never used: `new` [INFO] [stdout] --> src/mandelbrot.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new( [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:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | m.gen_image().save("test_003.jpg"); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.88s [INFO] running `Command { std: "docker" "inspect" "2f0843c42c3ce6abb3e4d3e0bb0c625712e5701e0a1378b6170704119309a03a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0843c42c3ce6abb3e4d3e0bb0c625712e5701e0a1378b6170704119309a03a", kill_on_drop: false }` [INFO] [stdout] 2f0843c42c3ce6abb3e4d3e0bb0c625712e5701e0a1378b6170704119309a03a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 904e2e5b0fc072e9d8e931fa15e6637f7032327c1021cb07a2243f8fdc58ef00 [INFO] running `Command { std: "docker" "start" "-a" "904e2e5b0fc072e9d8e931fa15e6637f7032327c1021cb07a2243f8fdc58ef00", 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/mandelbrot.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut img = ImageBuffer::from_fn(x_pixels, y_pixels, |x, y| { [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: associated function is never used: `new` [INFO] [stdout] --> src/mandelbrot.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new( [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:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | m.gen_image().save("test_003.jpg"); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 21.38s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-8b5ae434c4001db0) [INFO] running `Command { std: "docker" "inspect" "904e2e5b0fc072e9d8e931fa15e6637f7032327c1021cb07a2243f8fdc58ef00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "904e2e5b0fc072e9d8e931fa15e6637f7032327c1021cb07a2243f8fdc58ef00", kill_on_drop: false }` [INFO] [stdout] 904e2e5b0fc072e9d8e931fa15e6637f7032327c1021cb07a2243f8fdc58ef00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4448c8e9f896a4e225e7f44e0c4dfead206a784b69c57765e062013ffa16bb91 [INFO] running `Command { std: "docker" "start" "-a" "4448c8e9f896a4e225e7f44e0c4dfead206a784b69c57765e062013ffa16bb91", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mandelbrot.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | let mut img = ImageBuffer::from_fn(x_pixels, y_pixels, |x, y| { [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: associated function is never used: `new` [INFO] [stderr] --> src/mandelbrot.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn new( [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | m.gen_image().save("test_003.jpg"); [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: `mandelbrot` (bin "mandelbrot" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.55s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-8b5ae434c4001db0) [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; finished in 0.11s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4448c8e9f896a4e225e7f44e0c4dfead206a784b69c57765e062013ffa16bb91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4448c8e9f896a4e225e7f44e0c4dfead206a784b69c57765e062013ffa16bb91", kill_on_drop: false }` [INFO] [stdout] 4448c8e9f896a4e225e7f44e0c4dfead206a784b69c57765e062013ffa16bb91