[INFO] updating cached repository https://github.com/TheSilvus/buddhabrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cfb5613add2f54259f36308137be4b9bc2bbda6c [INFO] testing TheSilvus/buddhabrot against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheSilvus/buddhabrot on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] finished tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] tweaked toml for git repo https://github.com/TheSilvus/buddhabrot written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/TheSilvus/buddhabrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a583b26bd9fd93d13211a31fe5d5d8e44b7e92ef42a9dd675b556de9a085fa89 [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" "a583b26bd9fd93d13211a31fe5d5d8e44b7e92ef42a9dd675b556de9a085fa89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a583b26bd9fd93d13211a31fe5d5d8e44b7e92ef42a9dd675b556de9a085fa89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a583b26bd9fd93d13211a31fe5d5d8e44b7e92ef42a9dd675b556de9a085fa89", kill_on_drop: false }` [INFO] [stdout] a583b26bd9fd93d13211a31fe5d5d8e44b7e92ef42a9dd675b556de9a085fa89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bedbd21d4dc272e8e51d62d9106e372ddfd3ce99596a5fb4de6d2b951197e63 [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" "4bedbd21d4dc272e8e51d62d9106e372ddfd3ce99596a5fb4de6d2b951197e63", kill_on_drop: false }` [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling inflate v0.4.3 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Compiling gif v0.10.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling crossbeam v0.4.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling tiff v0.2.1 [INFO] [stderr] Compiling image v0.20.0 [INFO] [stderr] Compiling mandelbuddha v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:58:39 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:79:39 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/main.rs:399:10 [INFO] [stdout] | [INFO] [stdout] 399 | fn image(config: Config) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "4bedbd21d4dc272e8e51d62d9106e372ddfd3ce99596a5fb4de6d2b951197e63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bedbd21d4dc272e8e51d62d9106e372ddfd3ce99596a5fb4de6d2b951197e63", kill_on_drop: false }` [INFO] [stdout] 4bedbd21d4dc272e8e51d62d9106e372ddfd3ce99596a5fb4de6d2b951197e63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fba2c4922e5288c569e7ecffb5dc32912c15f0f33dd569667ac4a9551c941854 [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" "fba2c4922e5288c569e7ecffb5dc32912c15f0f33dd569667ac4a9551c941854", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling thread-scoped v1.0.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling same-file v1.0.3 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling term v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling itertools-num v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling walkdir v2.2.5 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling criterion-stats v0.2.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling csv-core v0.1.4 [INFO] [stderr] Compiling simplelog v0.5.3 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling csv v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling criterion-plot v0.2.5 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Compiling handlebars v0.32.4 [INFO] [stderr] Compiling criterion v0.2.5 [INFO] [stderr] Compiling mandelbuddha v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:58:39 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:79:39 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/main.rs:399:10 [INFO] [stdout] | [INFO] [stdout] 399 | fn image(config: Config) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "fba2c4922e5288c569e7ecffb5dc32912c15f0f33dd569667ac4a9551c941854", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fba2c4922e5288c569e7ecffb5dc32912c15f0f33dd569667ac4a9551c941854", kill_on_drop: false }` [INFO] [stdout] fba2c4922e5288c569e7ecffb5dc32912c15f0f33dd569667ac4a9551c941854 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f8af501bc74fcab77811f327e8c4468d0b49f4a2f70e3943dfa25dd030f8e07d [INFO] running `Command { std: "docker" "start" "-a" "f8af501bc74fcab77811f327e8c4468d0b49f4a2f70e3943dfa25dd030f8e07d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::fs::OpenOptions` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fs::OpenOptions; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:58:39 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:79:39 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:99:33 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/main.rs:399:10 [INFO] [stderr] | [INFO] [stderr] 399 | fn image(config: Config) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/image.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbuddha-7934c4156b1552f4 [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 `Command { std: "docker" "inspect" "f8af501bc74fcab77811f327e8c4468d0b49f4a2f70e3943dfa25dd030f8e07d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8af501bc74fcab77811f327e8c4468d0b49f4a2f70e3943dfa25dd030f8e07d", kill_on_drop: false }` [INFO] [stdout] f8af501bc74fcab77811f327e8c4468d0b49f4a2f70e3943dfa25dd030f8e07d