[INFO] cloning repository https://github.com/pop123123123/fractal-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pop123123123/fractal-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop123123123%2Ffractal-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop123123123%2Ffractal-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab49e9ca391b282a8d8600e3be233c751ca73b17
[INFO] testing pop123123123/fractal-renderer against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop123123123%2Ffractal-renderer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop123123123/fractal-renderer on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pop123123123/fractal-renderer
[INFO] finished tweaking git repo https://github.com/pop123123123/fractal-renderer
[INFO] tweaked toml for git repo https://github.com/pop123123123/fractal-renderer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pop123123123/fractal-renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee2a146732a1eff799c0506edec238d0b58efd785b20edb68f407885a13ede9
[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" "4ee2a146732a1eff799c0506edec238d0b58efd785b20edb68f407885a13ede9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee2a146732a1eff799c0506edec238d0b58efd785b20edb68f407885a13ede9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee2a146732a1eff799c0506edec238d0b58efd785b20edb68f407885a13ede9", kill_on_drop: false }`
[INFO] [stdout] 4ee2a146732a1eff799c0506edec238d0b58efd785b20edb68f407885a13ede9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6527e5287f985484f61ca3f24ea3fbf85e8a968e15f6e23cfa5fabd286bdab57
[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" "6527e5287f985484f61ca3f24ea3fbf85e8a968e15f6e23cfa5fabd286bdab57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[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 approx v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling pbr v1.0.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling fractale v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Hsv`, `Srgb`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use palette::{Hsv, Srgb};
[INFO] [stdout]   |               ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/img.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MinMax`, `NoElements`, `OneElement`
[INFO] [stdout]  --> src/img.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::MinMaxResult::{MinMax, NoElements, OneElement};
[INFO] [stdout]   |                               ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/main.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |   let (a, max) = screen
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `float_to_color`
[INFO] [stdout]   --> src/img.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn float_to_color(x: f64, min: f64, max: f64) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 23s
[INFO] running `Command { std: "docker" "inspect" "6527e5287f985484f61ca3f24ea3fbf85e8a968e15f6e23cfa5fabd286bdab57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6527e5287f985484f61ca3f24ea3fbf85e8a968e15f6e23cfa5fabd286bdab57", kill_on_drop: false }`
[INFO] [stdout] 6527e5287f985484f61ca3f24ea3fbf85e8a968e15f6e23cfa5fabd286bdab57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d72887b8f031a7496109b02188ea782ba8909d0cf7a2068f6997821b39def1
[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" "89d72887b8f031a7496109b02188ea782ba8909d0cf7a2068f6997821b39def1", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractale v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Hsv`, `Srgb`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use palette::{Hsv, Srgb};
[INFO] [stdout]   |               ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/img.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MinMax`, `NoElements`, `OneElement`
[INFO] [stdout]  --> src/img.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::MinMaxResult::{MinMax, NoElements, OneElement};
[INFO] [stdout]   |                               ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/main.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |   let (a, max) = screen
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `float_to_color`
[INFO] [stdout]   --> src/img.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn float_to_color(x: f64, min: f64, max: f64) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.49s
[INFO] running `Command { std: "docker" "inspect" "89d72887b8f031a7496109b02188ea782ba8909d0cf7a2068f6997821b39def1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d72887b8f031a7496109b02188ea782ba8909d0cf7a2068f6997821b39def1", kill_on_drop: false }`
[INFO] [stdout] 89d72887b8f031a7496109b02188ea782ba8909d0cf7a2068f6997821b39def1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 337262c693c3e4a2b6f925c488c12aaf0141c18e42366d9ea62cfe4974fa3d58
[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" "337262c693c3e4a2b6f925c488c12aaf0141c18e42366d9ea62cfe4974fa3d58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Hsv`, `Srgb`
[INFO] [stderr]  --> src/main.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use palette::{Hsv, Srgb};
[INFO] [stderr]   |               ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::RwLock`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::RwLock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/img.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MinMax`, `NoElements`, `OneElement`
[INFO] [stderr]  --> src/img.rs:2:31
[INFO] [stderr]   |
[INFO] [stderr] 2 | use itertools::MinMaxResult::{MinMax, NoElements, OneElement};
[INFO] [stderr]   |                               ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max`
[INFO] [stderr]   --> src/main.rs:86:11
[INFO] [stderr]    |
[INFO] [stderr] 86 |   let (a, max) = screen
[INFO] [stderr]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `float_to_color`
[INFO] [stderr]   --> src/img.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn float_to_color(x: f64, min: f64, max: f64) -> Color {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fractale-4019d7f0a700b0e5)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "337262c693c3e4a2b6f925c488c12aaf0141c18e42366d9ea62cfe4974fa3d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337262c693c3e4a2b6f925c488c12aaf0141c18e42366d9ea62cfe4974fa3d58", kill_on_drop: false }`
[INFO] [stdout] 337262c693c3e4a2b6f925c488c12aaf0141c18e42366d9ea62cfe4974fa3d58