[INFO] fetching crate rayimg 0.1.2...
[INFO] testing rayimg-0.1.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate rayimg 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rayimg 0.1.2
[INFO] finished tweaking crates.io crate rayimg 0.1.2
[INFO] tweaked toml for crates.io crate rayimg 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rayimg 0.1.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rayimg 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9c6b98b9ec41b9e7509603f5d1f2c5ebb246e615c2aaf9b823ccdf99c81d3b
[INFO] running `Command { std: "docker" "start" "-a" "dc9c6b98b9ec41b9e7509603f5d1f2c5ebb246e615c2aaf9b823ccdf99c81d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9c6b98b9ec41b9e7509603f5d1f2c5ebb246e615c2aaf9b823ccdf99c81d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9c6b98b9ec41b9e7509603f5d1f2c5ebb246e615c2aaf9b823ccdf99c81d3b", kill_on_drop: false }`
[INFO] [stdout] dc9c6b98b9ec41b9e7509603f5d1f2c5ebb246e615c2aaf9b823ccdf99c81d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1930ed361fb5ddb894ba363d13fc45ed443639ce868cf9305429304da1c3beeb
[INFO] running `Command { std: "docker" "start" "-a" "1930ed361fb5ddb894ba363d13fc45ed443639ce868cf9305429304da1c3beeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayimg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/renderer/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder {
[INFO] [stdout]    |                             ^^                      --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "1930ed361fb5ddb894ba363d13fc45ed443639ce868cf9305429304da1c3beeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1930ed361fb5ddb894ba363d13fc45ed443639ce868cf9305429304da1c3beeb", kill_on_drop: false }`
[INFO] [stdout] 1930ed361fb5ddb894ba363d13fc45ed443639ce868cf9305429304da1c3beeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2a31ba6fa1f3ebf8d270672efe5c2e815ca03aa5af7d71001d8de97954c77d
[INFO] running `Command { std: "docker" "start" "-a" "ed2a31ba6fa1f3ebf8d270672efe5c2e815ca03aa5af7d71001d8de97954c77d", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/renderer/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder {
[INFO] [stdout]    |                             ^^                      --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayimg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> tests/configuration.rs:1:75
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stdout]   |                                                                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> tests/configuration.rs:1:75
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stdout]   |                                                                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HitRecord`, `materials::*`, and `shapes::*`
[INFO] [stdout]  --> tests/configuration.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Camera`, `HitRecord`, `P3ImageWriter`, `Renderer`, `Scene`, `materials::*`, and `shapes::*`
[INFO] [stdout]  --> tests/configuration.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^                ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HitRecord`, `materials::*`, and `shapes::*`
[INFO] [stdout]  --> tests/configuration.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sky_color` is never used
[INFO] [stdout]  --> tests/configuration.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sky_color() -> Box<dyn Fn(&Ray) -> RGB> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ASPECT_RATIO` is never used
[INFO] [stdout]  --> tests/configuration.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const ASPECT_RATIO: f64 = 16.0 / 9.0;
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WIDTH` is never used
[INFO] [stdout]  --> tests/configuration.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const WIDTH: usize = 400;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEIGHT` is never used
[INFO] [stdout]  --> tests/configuration.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const HEIGHT: usize = (400 as f64 / ASPECT_RATIO) as usize;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOUNDS` is never used
[INFO] [stdout]  --> tests/configuration.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const BOUNDS: (usize, usize) = (WIDTH, HEIGHT);
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sky_color` is never used
[INFO] [stdout]  --> tests/configuration.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sky_color() -> Box<dyn Fn(&Ray) -> RGB> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/renderer/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder {
[INFO] [stdout]    |                             ^^                      --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "ed2a31ba6fa1f3ebf8d270672efe5c2e815ca03aa5af7d71001d8de97954c77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2a31ba6fa1f3ebf8d270672efe5c2e815ca03aa5af7d71001d8de97954c77d", kill_on_drop: false }`
[INFO] [stdout] ed2a31ba6fa1f3ebf8d270672efe5c2e815ca03aa5af7d71001d8de97954c77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb35b07ff90d9ae8226782d0653d3cab40dbd0fc54fb4044f79de8c45834f0ee
[INFO] running `Command { std: "docker" "start" "-a" "eb35b07ff90d9ae8226782d0653d3cab40dbd0fc54fb4044f79de8c45834f0ee", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/renderer/mod.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder {
[INFO] [stderr]    |                             ^^                      --------------- the lifetime gets resolved as `'a`
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(scene: Scene<'a>, camera: Camera) -> RendererBuilder<'a> {
[INFO] [stderr]    |                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rayimg` (lib) generated 1 warning
[INFO] [stderr] warning: `rayimg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `HitRecord`
[INFO] [stderr]  --> tests/configuration.rs:1:75
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stderr]   |                                                                           ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HitRecord`, `materials::*`, and `shapes::*`
[INFO] [stderr]  --> tests/configuration.rs:1:50
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rayimg` (test "cyan_sphere") generated 1 warning (run `cargo fix --test "cyan_sphere"` to apply 1 suggestion)
[INFO] [stderr] warning: `rayimg` (test "sky") generated 1 warning (run `cargo fix --test "sky"` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `Camera`, `HitRecord`, `P3ImageWriter`, `Renderer`, `Scene`, `materials::*`, and `shapes::*`
[INFO] [stderr]  --> tests/configuration.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub use rayimg::{Camera, Renderer, math::*, RGB, materials::*, shapes::*, HitRecord, Scene, P3ImageWriter};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^^^^                ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ASPECT_RATIO` is never used
[INFO] [stderr]  --> tests/configuration.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const ASPECT_RATIO: f64 = 16.0 / 9.0;
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `WIDTH` is never used
[INFO] [stderr]  --> tests/configuration.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const WIDTH: usize = 400;
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `HEIGHT` is never used
[INFO] [stderr]  --> tests/configuration.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const HEIGHT: usize = (400 as f64 / ASPECT_RATIO) as usize;
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BOUNDS` is never used
[INFO] [stderr]  --> tests/configuration.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const BOUNDS: (usize, usize) = (WIDTH, HEIGHT);
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sky_color` is never used
[INFO] [stderr]  --> tests/configuration.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn sky_color() -> Box<dyn Fn(&Ray) -> RGB> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sky_color` is never used
[INFO] [stderr]  --> tests/configuration.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn sky_color() -> Box<dyn Fn(&Ray) -> RGB> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rayimg` (test "random") generated 6 warnings (run `cargo fix --test "random"` to apply 1 suggestion)
[INFO] [stderr] warning: `rayimg` (test "triangle") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `rayimg` (test "black") generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rayimg-156f6ae93b1c48da)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/black.rs (/opt/rustwide/target/debug/deps/black-f9ffc75dd2bb514e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test create_black_image ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- create_black_image stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'create_black_image' panicked at tests/black.rs:7:71:
[INFO] [stdout] Failed to create test file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x615486bd7b02 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x615486bd7b02 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x615486bd7b02 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x615486bd7b02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x615486bfd223 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x615486bfd223 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x615486bd4a93 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x615486bd4a93 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x615486bd7952 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x615486bd906c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x615486bd8ec2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x615486b9d204 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x615486b9d204 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x615486bd9a4b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x615486bd9a4b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x615486bd981a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x615486bd7ff9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x615486bd94ad - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x615486bfbda0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x615486bfc116 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x615486b632ac - core::result::Result<T,E>::expect::h99be8e2882070401
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x615486b632ac - black::create_black_image::hc1e788390881f3cd
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/black.rs:7:71
[INFO] [stdout]   22:     0x615486b632ac - black::create_black_image::{{closure}}::hd343984007ed8307
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/black.rs:5:24
[INFO] [stdout]   23:     0x615486b632ac - core::ops::function::FnOnce::call_once::h8c321710bb779f5c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x615486ba293b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x615486ba293b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x615486ba1b7e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x615486ba1b7e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x615486ba1b7e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x615486ba1b7e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x615486ba1b7e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x615486ba1b7e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x615486ba1b7e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x615486b65724 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x615486b65724 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x615486b690ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x615486b690ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x615486b690ca - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x615486b690ca - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x615486b690ca - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x615486b690ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x615486b690ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x615486bdc9a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x615486bdc9a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x615486bdc9a7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7d274ef45aa4 - <unknown>
[INFO] [stdout]   46:     0x7d274efd2a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     create_black_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test black`
[INFO] running `Command { std: "docker" "inspect" "eb35b07ff90d9ae8226782d0653d3cab40dbd0fc54fb4044f79de8c45834f0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb35b07ff90d9ae8226782d0653d3cab40dbd0fc54fb4044f79de8c45834f0ee", kill_on_drop: false }`
[INFO] [stdout] eb35b07ff90d9ae8226782d0653d3cab40dbd0fc54fb4044f79de8c45834f0ee
