[INFO] cloning repository https://github.com/remexre/csci5607
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/csci5607" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcsci5607", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcsci5607'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2129ac41c66a2258b9619147de94cb9697037608
[INFO] checking remexre/csci5607 against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcsci5607" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/csci5607 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remexre/csci5607
[INFO] finished tweaking git repo https://github.com/remexre/csci5607
[INFO] tweaked toml for git repo https://github.com/remexre/csci5607 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/csci5607 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2b094fa3c592f6b556c6cddef7ac5cfcd6be3480054de30662767b79d32b1d7
[INFO] running `Command { std: "docker" "start" "-a" "c2b094fa3c592f6b556c6cddef7ac5cfcd6be3480054de30662767b79d32b1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b094fa3c592f6b556c6cddef7ac5cfcd6be3480054de30662767b79d32b1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b094fa3c592f6b556c6cddef7ac5cfcd6be3480054de30662767b79d32b1d7", kill_on_drop: false }`
[INFO] [stdout] c2b094fa3c592f6b556c6cddef7ac5cfcd6be3480054de30662767b79d32b1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99da5a4133d99d2f5122821b391cf57a180cb183ca6ea7319d432866c9103b20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "99da5a4133d99d2f5122821b391cf57a180cb183ca6ea7319d432866c9103b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]     Checking float-ord v0.1.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking alga v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking nalgebra v0.16.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling glutin v0.10.1
[INFO] [stderr]    Compiling glium v0.18.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir/asgn2)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> asgn2/src/parser/nom.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// Parses a single non-comment line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> asgn2/src/parser/nom.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// Parses a single non-comment line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_collisions`
[INFO] [stdout]   --> asgn2/src/trace/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn trace_ray(&self, ray: Ray, remaining_collisions: usize) -> Rgb<f32> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_collisions`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> asgn2/src/trace/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         obj: &R,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_collisions`
[INFO] [stdout]   --> asgn2/src/trace/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn trace_ray(&self, ray: Ray, remaining_collisions: usize) -> Rgb<f32> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_collisions`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> asgn2/src/trace/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         obj: &R,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> asgn2/src/util.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let n = IntoIterator::into_iter([1.0, c.x, c.y, c.z])
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> asgn2/src/util.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let n = IntoIterator::into_iter([1.0, c.x, c.y, c.z])
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.0/src/base/cg.rs:292:44
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "99da5a4133d99d2f5122821b391cf57a180cb183ca6ea7319d432866c9103b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99da5a4133d99d2f5122821b391cf57a180cb183ca6ea7319d432866c9103b20", kill_on_drop: false }`
[INFO] [stdout] 99da5a4133d99d2f5122821b391cf57a180cb183ca6ea7319d432866c9103b20
