[INFO] cloning repository https://github.com/amuller-maths/ray-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amuller-maths/ray-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e01e996a849dd6d9fc8b56dba656315b101ee28
[INFO] testing amuller-maths/ray-tracer-challenge against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/amuller-maths/ray-tracer-challenge
[INFO] finished tweaking git repo https://github.com/amuller-maths/ray-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/amuller-maths/ray-tracer-challenge written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/amuller-maths/ray-tracer-challenge on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/amuller-maths/ray-tracer-challenge 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4187301d5e57ec876d579a115304951e8e0e391e4b105feb6b352879ada764ed
[INFO] running `Command { std: "docker" "start" "-a" "4187301d5e57ec876d579a115304951e8e0e391e4b105feb6b352879ada764ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4187301d5e57ec876d579a115304951e8e0e391e4b105feb6b352879ada764ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4187301d5e57ec876d579a115304951e8e0e391e4b105feb6b352879ada764ed", kill_on_drop: false }`
[INFO] [stdout] 4187301d5e57ec876d579a115304951e8e0e391e4b105feb6b352879ada764ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 7cab44eba5cf43dbefaedaa3bf3ea5e5b121ee724dc22dda7388251380340c4f
[INFO] running `Command { std: "docker" "start" "-a" "7cab44eba5cf43dbefaedaa3bf3ea5e5b121ee724dc22dda7388251380340c4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling uuid-macro-internal v1.4.1
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.6.5
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling ray-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/intersection.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     ) -> Computations {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> Computations<'_> {
[INFO] [stdout]    |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/intersection.rs:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection)> {
[INFO] [stdout]     |                ^^^^^                    ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                        ||
[INFO] [stdout]     |                |                        |the same lifetime is hidden here
[INFO] [stdout]     |                |                        the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection<'_>)> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections {
[INFO] [stdout]    |                      ^^^^^             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.88s
[INFO] running `Command { std: "docker" "inspect" "7cab44eba5cf43dbefaedaa3bf3ea5e5b121ee724dc22dda7388251380340c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cab44eba5cf43dbefaedaa3bf3ea5e5b121ee724dc22dda7388251380340c4f", kill_on_drop: false }`
[INFO] [stdout] 7cab44eba5cf43dbefaedaa3bf3ea5e5b121ee724dc22dda7388251380340c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 5d3a138701ce9812d4183ab61371219bb0917d121b3749308103ba68ba18a81c
[INFO] running `Command { std: "docker" "start" "-a" "5d3a138701ce9812d4183ab61371219bb0917d121b3749308103ba68ba18a81c", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/intersection.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     ) -> Computations {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> Computations<'_> {
[INFO] [stdout]    |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ray-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/intersection.rs:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection)> {
[INFO] [stdout]     |                ^^^^^                    ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                        ||
[INFO] [stdout]     |                |                        |the same lifetime is hidden here
[INFO] [stdout]     |                |                        the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection<'_>)> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections {
[INFO] [stdout]    |                      ^^^^^             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/intersection.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     ) -> Computations {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> Computations<'_> {
[INFO] [stdout]    |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/intersection.rs:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection)> {
[INFO] [stdout]     |                ^^^^^                    ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                        ||
[INFO] [stdout]     |                |                        |the same lifetime is hidden here
[INFO] [stdout]     |                |                        the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection<'_>)> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections {
[INFO] [stdout]    |                      ^^^^^             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn intersect(&self, r: Ray) -> Intersections<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "5d3a138701ce9812d4183ab61371219bb0917d121b3749308103ba68ba18a81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3a138701ce9812d4183ab61371219bb0917d121b3749308103ba68ba18a81c", kill_on_drop: false }`
[INFO] [stdout] 5d3a138701ce9812d4183ab61371219bb0917d121b3749308103ba68ba18a81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] de684441828d1775da9cc0bdbdc6587b0668111688c41a1f214728b82210d9fe
[INFO] running `Command { std: "docker" "start" "-a" "de684441828d1775da9cc0bdbdc6587b0668111688c41a1f214728b82210d9fe", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/intersection.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 78 |     ) -> Computations {
[INFO] [stderr]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 78 |     ) -> Computations<'_> {
[INFO] [stderr]    |                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/intersection.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection)> {
[INFO] [stderr]     |                ^^^^^                    ^^^^^^^^^^^^^
[INFO] [stderr]     |                |                        ||
[INFO] [stderr]     |                |                        |the same lifetime is hidden here
[INFO] [stderr]     |                |                        the same lifetime is elided here
[INFO] [stderr]     |                the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn hit(&self) -> Option<(usize, &Intersection<'_>)> {
[INFO] [stderr]     |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/world.rs:50:22
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn intersect(&self, r: Ray) -> Intersections {
[INFO] [stderr]    |                      ^^^^^             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn intersect(&self, r: Ray) -> Intersections<'_> {
[INFO] [stderr]    |                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracer-challenge` (lib) generated 3 warnings (run `cargo fix --lib -p ray-tracer-challenge` to apply 3 suggestions)
[INFO] [stderr] warning: `ray-tracer-challenge` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracer-challenge` (bin "ray-tracer-challenge" test) generated 3 warnings (run `cargo fix --bin "ray-tracer-challenge" -p ray-tracer-challenge --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/ray-tracer-challenge/c326d6888fce1b6e/deps/ray_tracer_challenge-c326d6888fce1b6e)
[INFO] [stdout] 
[INFO] [stdout] running 122 tests
[INFO] [stdout] test camera::tests::constructiong_a_ray_through_the_center_of_the_canvas ... ok
[INFO] [stdout] test camera::tests::constructiong_a_ray_through_a_corner_of_the_canvas ... ok
[INFO] [stdout] test camera::tests::the_pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test canvas::tests::adding_colors ... ok
[INFO] [stdout] test canvas::tests::creating_a_red_canvas ... ok
[INFO] [stdout] test canvas::tests::multiplying_colors ... ok
[INFO] [stdout] test canvas::tests::substracting_colors ... ok
[INFO] [stdout] test geometry::tests::adding_two_vectors ... ok
[INFO] [stdout] test geometry::tests::computing_several_magnitudes ... ok
[INFO] [stdout] test canvas::tests::writing_pixels_to_a_canvas ... ok
[INFO] [stdout] test geometry::tests::multiplying_a_vector_by_a_scalar ... ok
[INFO] [stdout] test geometry::tests::negating_a_vector ... ok
[INFO] [stdout] test geometry::tests::normalizing_several_vectors ... ok
[INFO] [stdout] test geometry::tests::substracting_a_vector_from_a_point ... ok
[INFO] [stdout] test geometry::tests::substracting_two_points ... ok
[INFO] [stdout] test geometry::tests::the_dot_product_of_two_vectors ... ok
[INFO] [stdout] test geometry::tests::reflecting_a_vector_off_a_slanted_surface ... ok
[INFO] [stdout] test intersection::tests::finding_n1_and_n2_at_various_intersections ... ok
[INFO] [stdout] test geometry::tests::substracting_two_vectors ... ok
[INFO] [stdout] test intersection::tests::the_hit_is_always_the_lowest_nonnegative_intersection ... ok
[INFO] [stdout] test intersection::tests::the_hit_should_offset_the_point ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_negative_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_positive_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_positive_t_reversed ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_outside ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_inside ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t ... ok
[INFO] [stdout] test intersection::tests::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t_reversed ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_opposite_surface_light_offset_45_degrees ... ok
[INFO] [stdout] test material::tests::lighting_with_the_eye_between_the_light_and_the_surface ... ok
[INFO] [stdout] test material::tests::lighting_with_the_light_behind_the_surface ... ok
[INFO] [stdout] test matrix::tests::a_matrix_multipied_by_a_vector ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_matrix ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_thid_matrix ... ok
[INFO] [stdout] test material::tests::lighting_with_a_pattern_applied ... ok
[INFO] [stdout] test geometry::tests::the_cross_product_of_two_vectors ... ok
[INFO] [stdout] test camera::tests::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_in_the_path_of_the_reflection_vector ... ok
[INFO] [stdout] test intersection::tests::precomputing_the_reflection_vector ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_another_matrix ... ok
[INFO] [stdout] test matrix::tests::multiplying_a_matrix_by_the_identity_matrix ... ok
[INFO] [stdout] test object::tests::a_ray_intersecting_a_plane_from_above ... ok
[INFO] [stdout] test matrix::tests::transposing_a_matrix ... ok
[INFO] [stdout] test geometry::tests::reflecting_a_vector_approaching_at_45_degrees ... ok
[INFO] [stdout] test object::tests::changing_a_spheres_transformation ... ok
[INFO] [stdout] test intersection::tests::precomputing_the_state_of_an_intersection ... ok
[INFO] [stdout] test object::tests::intersect_with_a_coplanar_ray ... ok
[INFO] [stdout] test object::tests::intersecting_a_translated_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::the_normal_is_a_normalized_vector ... ok
[INFO] [stdout] test object::tests::the_normal_of_a_plane_is_constant_everywhere ... ok
[INFO] [stdout] test camera::tests::constructiong_a_ray_when_the_camera_is_transformed ... ok
[INFO] [stdout] test canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test material::tests::lighting_with_the_eye_between_light_and_surface_eye_offset_45_degrees ... ok
[INFO] [stdout] test object::tests::a_ray_intersecting_a_plane_from_below ... ok
[INFO] [stdout] test geometry::tests::dividing_a_vector_by_a_scalar ... ok
[INFO] [stdout] test matrix::tests::multiplying_two_matrices ... ok
[INFO] [stdout] test material::tests::lighting_with_the_surface_in_shadow ... ok
[INFO] [stdout] test object::tests::a_default_sphere ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_nonaxial_point ... ok
[INFO] [stdout] test object::tests::intersect_a_ray_parallel_to_the_plane ... ok
[INFO] [stdout] test object::tests::intersecting_a_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_x_axis ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_y_axis ... ok
[INFO] [stdout] test pattern::tests::a_gradient_linearly_interpolates_between_colors ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_z_axis ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_alternates_in_x ... ok
[INFO] [stdout] test pattern::tests::a_ring_should_extend_in_both_x_and_z ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_is_constant_in_y ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_is_constant_in_z ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_x ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_y ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_z ... ok
[INFO] [stdout] test pattern::tests::stripes_with_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::tests::stripes_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::tests::stripes_with_both_an_object_and_a_pattern_transformation ... ok
[INFO] [stdout] test ray::tests::a_ray_intersects_a_sphere_at_a_tangent ... ok
[INFO] [stdout] test ray::tests::translating_a_ray ... ok
[INFO] [stdout] test ray::tests::a_ray_intersects_a_sphere_at_two_points ... ok
[INFO] [stdout] test transform::tests::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_x_axis ... ok
[INFO] [stdout] test ray::tests::a_ray_originates_inside_a_sphere ... ok
[INFO] [stdout] test transform::tests::applying_a_shearing_transform_to_a_point ... ok
[INFO] [stdout] test ray::tests::scaling_a_ray ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_y_axis ... ok
[INFO] [stdout] test ray::tests::computing_a_point_from_a_distance ... ok
[INFO] [stdout] test ray::tests::a_sphere_is_behind_a_ray ... ok
[INFO] [stdout] test transform::tests::chaining_transforms ... ok
[INFO] [stdout] test transform::tests::scaling_a_vector ... ok
[INFO] [stdout] test transform::tests::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_z_axis ... ok
[INFO] [stdout] test ray::tests::a_ray_misses_a_sphere ... ok
[INFO] [stdout] test transform::tests::scaling_a_point ... ok
[INFO] [stdout] test transform::tests::translating_a_point ... ok
[INFO] [stdout] test transform::tests::translating_a_vector ... ok
[INFO] [stdout] test world::tests::shade_hit_is_given_an_intersection_in_shadow ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::tests::shading_an_intersection ... ok
[INFO] [stdout] test world::tests::intersect_a_world_with_a_ray ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_reflective_material ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_misses ... ok
[INFO] [stdout] test transform::tests::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_hits ... ok
[INFO] [stdout] test world::tests::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test world::tests::shading_an_intersection_from_the_inside ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_reflective_material ... ok
[INFO] [stdout] test world::tests::the_refracted_color_at_the_maximum_recursive_depth ... ok
[INFO] [stdout] test world::tests::the_color_with_an_intersection_behind_the_ray ... ok
[INFO] [stdout] test world::tests::the_refracted_color_under_total_internal_reflection ... ok
[INFO] [stdout] test world::tests::the_reflected_color_at_the_maximum_recursive_depth ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_nonreflective_material ... ok
[INFO] [stdout] test world::tests::the_refracted_color_with_a_refracted_ray ... ok
[INFO] [stdout] test world::tests::the_shadow_when_an_object_is_between_the_point_and_the_light ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_an_object_is_behind_the_point ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_an_object_is_behind_the_light ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_nothing_is_collinear_with_point_and_light ... ok
[INFO] [stdout] test world::tests::the_refracted_color_with_an_opaque_surface ... ok
[INFO] [stdout] test canvas::tests::multiplying_a_color_by_a_scalar ... ok
[INFO] [stdout] test object::tests::computing_the_normal_on_a_translated_sphere ... ok
[INFO] [stdout] test object::tests::computing_the_normal_on_a_transformed_sphere ... ok
[INFO] [stdout] test camera::tests::the_pixel_size_for_a_vertical_canvas ... ok
[INFO] [stdout] test canvas::tests::saving_a_canvas ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- canvas::tests::saving_a_canvas stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'canvas::tests::saving_a_canvas' (37) panicked at src/canvas.rs:218:27:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f11857cea2 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f11857cea2 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f11857cea2 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f11857cea2 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f11859360a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f11859360a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x56f118581fc6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56f118581fc6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56f11855abcf - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56f11855abcf - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56f118574e19 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56f1182ee1ae - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56f1182ee1ae - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56f118574fd2 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56f118574fd2 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56f11855ac88 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56f118552629 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56f11855badd - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56f118593d1c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56f118593a92 - core[8f93d80df273fe75]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56f1182cf2e4 - <core[8f93d80df273fe75]::result::Result<(), image[991e65e34b8a6a79]::error::ImageError>>::unwrap
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56f1182cf2e4 - ray_tracer_challenge[d42af3d12c1312a8]::canvas::tests::saving_a_canvas
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:218:27
[INFO] [stdout]   22:     0x56f1182cc6a7 - ray_tracer_challenge[d42af3d12c1312a8]::canvas::tests::saving_a_canvas::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:216:25
[INFO] [stdout]   23:     0x56f1182d71e6 - <ray_tracer_challenge[d42af3d12c1312a8]::canvas::tests::saving_a_canvas::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56f1182e255b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56f1182e255b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56f1182eedba - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56f1182eedba - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56f1182eedba - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56f1182eedba - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56f1182eedba - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56f1182eedba - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56f1182eedba - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56f1182e9284 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56f1182e9284 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56f1182f18b2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56f1182f18b2 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56f1182f18b2 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56f1182f18b2 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56f1182f18b2 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56f1182f18b2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56f1182f18b2 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56f11857c71f - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56f11857c71f - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7ced14134aa4 - <unknown>
[INFO] [stdout]   45:     0x7ced141c1a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     canvas::tests::saving_a_canvas
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 121 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "de684441828d1775da9cc0bdbdc6587b0668111688c41a1f214728b82210d9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de684441828d1775da9cc0bdbdc6587b0668111688c41a1f214728b82210d9fe", kill_on_drop: false }`
[INFO] [stdout] de684441828d1775da9cc0bdbdc6587b0668111688c41a1f214728b82210d9fe
