[INFO] fetching crate crystal_ball 0.2.0...
[INFO] testing crystal_ball-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate crystal_ball 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate crystal_ball 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crystal_ball 0.2.0
[INFO] finished tweaking crates.io crate crystal_ball 0.2.0
[INFO] tweaked toml for crates.io crate crystal_ball 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate crystal_ball 0.2.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.5.2
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded indicatif v0.16.0
[INFO] [stderr]   Downloaded oidn v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d60fe23d3be0fa0c49525c7d3f09c2dc5d488f71248e080feaaadf2444e912c1
[INFO] running `Command { std: "docker" "start" "-a" "d60fe23d3be0fa0c49525c7d3f09c2dc5d488f71248e080feaaadf2444e912c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d60fe23d3be0fa0c49525c7d3f09c2dc5d488f71248e080feaaadf2444e912c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60fe23d3be0fa0c49525c7d3f09c2dc5d488f71248e080feaaadf2444e912c1", kill_on_drop: false }`
[INFO] [stdout] d60fe23d3be0fa0c49525c7d3f09c2dc5d488f71248e080feaaadf2444e912c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa33685d47bc1f61d51073282734d6cf2b72c8444d8498c6eedb5e713371dd4c
[INFO] running `Command { std: "docker" "start" "-a" "fa33685d47bc1f61d51073282734d6cf2b72c8444d8498c6eedb5e713371dd4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[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 gif v0.11.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling indicatif v0.16.0
[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 crystal_ball v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `abs` is never used
[INFO] [stdout]    --> src/color/color.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Color {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn abs(&self) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 26.60s
[INFO] running `Command { std: "docker" "inspect" "fa33685d47bc1f61d51073282734d6cf2b72c8444d8498c6eedb5e713371dd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa33685d47bc1f61d51073282734d6cf2b72c8444d8498c6eedb5e713371dd4c", kill_on_drop: false }`
[INFO] [stdout] fa33685d47bc1f61d51073282734d6cf2b72c8444d8498c6eedb5e713371dd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6035a34cb8059a67afd3cd2a69c79052027ca39ebd492befc4276f5aedbdd045
[INFO] running `Command { std: "docker" "start" "-a" "6035a34cb8059a67afd3cd2a69c79052027ca39ebd492befc4276f5aedbdd045", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stdout] warning: method `abs` is never used
[INFO] [stdout]    --> src/color/color.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Color {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn abs(&self) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crystal_ball v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "6035a34cb8059a67afd3cd2a69c79052027ca39ebd492befc4276f5aedbdd045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6035a34cb8059a67afd3cd2a69c79052027ca39ebd492befc4276f5aedbdd045", kill_on_drop: false }`
[INFO] [stdout] 6035a34cb8059a67afd3cd2a69c79052027ca39ebd492befc4276f5aedbdd045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ed4ad184eb867a1fa5b5b8a39cf87545c2af9cc97d33a90ab3df9966f2d8924
[INFO] running `Command { std: "docker" "start" "-a" "5ed4ad184eb867a1fa5b5b8a39cf87545c2af9cc97d33a90ab3df9966f2d8924", kill_on_drop: false }`
[INFO] [stderr] warning: method `abs` is never used
[INFO] [stderr]    --> src/color/color.rs:160:8
[INFO] [stderr]     |
[INFO] [stderr] 136 | impl Color {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 160 |     fn abs(&self) -> f64 {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crystal_ball` (lib) generated 1 warning
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crystal_ball-de68fb03d165a694)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test color::color::tests::color_add ... ok
[INFO] [stdout] test color::color::tests::color_mul ... ok
[INFO] [stdout] test color::color::tests::color_div ... ok
[INFO] [stdout] test color::color::tests::color_sub ... ok
[INFO] [stdout] test math::ray::tests::ray_get_point ... ok
[INFO] [stdout] test math::vec3::tests::vec3_add ... ok
[INFO] [stdout] test math::vec3::tests::vec3_cross ... ok
[INFO] [stdout] test math::vec3::tests::vec3_div ... ok
[INFO] [stdout] test math::vec3::tests::vec3_dot ... ok
[INFO] [stdout] test math::vec3::tests::vec3_magnitude ... ok
[INFO] [stdout] test math::vec3::tests::vec3_mul ... ok
[INFO] [stdout] test math::vec3::tests::vec3_neg ... ok
[INFO] [stdout] test math::vec3::tests::vec3_normalize ... ok
[INFO] [stdout] test math::vec3::tests::vec3_random ... ok
[INFO] [stdout] test math::vec3::tests::vec3_sub ... ok
[INFO] [stdout] test math::vec3::tests::vec3_reflect ... ok
[INFO] [stdout] test math::vec3::tests::vec3_normalize_panic - should panic ... ok
[INFO] [stderr]    Doc-tests crystal_ball
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name crystal_ball --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_approx_eq=/opt/rustwide/target/debug/deps/libassert_approx_eq-dd7705ed7fbdd97c.rlib --extern crystal_ball=/opt/rustwide/target/debug/deps/libcrystal_ball-2e7034ea6d6fe802.rlib --extern image=/opt/rustwide/target/debug/deps/libimage-8b98c0caaff501b6.rlib --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-61e551669493b801.rlib --extern nanorand=/opt/rustwide/target/debug/deps/libnanorand-15fe48ef6bff83f5.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-98ebcd95cff97725.rlib -C embed-bitcode=no --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "5ed4ad184eb867a1fa5b5b8a39cf87545c2af9cc97d33a90ab3df9966f2d8924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed4ad184eb867a1fa5b5b8a39cf87545c2af9cc97d33a90ab3df9966f2d8924", kill_on_drop: false }`
[INFO] [stdout] 5ed4ad184eb867a1fa5b5b8a39cf87545c2af9cc97d33a90ab3df9966f2d8924
