[INFO] cloning repository https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMP6991UNSW%2F6991_24t1_christmas_lights_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMP6991UNSW%2F6991_24t1_christmas_lights_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2004ef06154a4491b17804ef38e0dec9f9268bd2
[INFO] checking COMP6991UNSW/6991_24t1_christmas_lights_demo against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCOMP6991UNSW%2F6991_24t1_christmas_lights_demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo
[INFO] finished tweaking git repo https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo
[INFO] tweaked toml for git repo https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/COMP6991UNSW/6991_24t1_christmas_lights_demo 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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e3cfacedfce792a07b62f5646d6acb878ec1333a8a34a2cde20634f30dfa59e
[INFO] running `Command { std: "docker" "start" "-a" "4e3cfacedfce792a07b62f5646d6acb878ec1333a8a34a2cde20634f30dfa59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3cfacedfce792a07b62f5646d6acb878ec1333a8a34a2cde20634f30dfa59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3cfacedfce792a07b62f5646d6acb878ec1333a8a34a2cde20634f30dfa59e", kill_on_drop: false }`
[INFO] [stdout] 4e3cfacedfce792a07b62f5646d6acb878ec1333a8a34a2cde20634f30dfa59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de2141d110299db58a1d0d05aafbd739b6ab4be99743ef88e4198b8fb418359
[INFO] running `Command { std: "docker" "start" "-a" "0de2141d110299db58a1d0d05aafbd739b6ab4be99743ef88e4198b8fb418359", kill_on_drop: false }`
[INFO] [stderr]     Checking christmas_lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected type, found `"not yet implemented"`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     next: todo!(),
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           expected type
[INFO] [stdout]   |           in this macro invocation
[INFO] [stdout]   |           this macro call doesn't expand to a type
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `"not yet implemented"`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     next: todo!(),
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           expected type
[INFO] [stdout]   |           in this macro invocation
[INFO] [stdout]   |           this macro call doesn't expand to a type
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Light { r: r, g: g, b: b, next: None }
[INFO] [stdout]    |                                         ^^^^ expected `()`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut current_light = &light;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Light { r: r, g: g, b: b, next: None }
[INFO] [stdout]    |                                         ^^^^ expected `()`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `christmas_lights` (bin "christmas_lights") due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn add_to_chain(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut current_light = &light;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `christmas_lights` (bin "christmas_lights" test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0de2141d110299db58a1d0d05aafbd739b6ab4be99743ef88e4198b8fb418359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de2141d110299db58a1d0d05aafbd739b6ab4be99743ef88e4198b8fb418359", kill_on_drop: false }`
[INFO] [stdout] 0de2141d110299db58a1d0d05aafbd739b6ab4be99743ef88e4198b8fb418359
