[INFO] cloning repository https://github.com/chunhongZheng/substrate-learning-lesson4-04
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chunhongZheng/substrate-learning-lesson4-04" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchunhongZheng%2Fsubstrate-learning-lesson4-04", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchunhongZheng%2Fsubstrate-learning-lesson4-04'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a38d6857c3644e558dab24f3ddd95d236f51ab1
[INFO] checking chunhongZheng/substrate-learning-lesson4-04 against master#59d99f56d8888b0e5a5866d6418df3ca1bb90013 for pr-100046
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchunhongZheng%2Fsubstrate-learning-lesson4-04" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chunhongZheng/substrate-learning-lesson4-04 on toolchain 59d99f56d8888b0e5a5866d6418df3ca1bb90013
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chunhongZheng/substrate-learning-lesson4-04
[INFO] finished tweaking git repo https://github.com/chunhongZheng/substrate-learning-lesson4-04
[INFO] tweaked toml for git repo https://github.com/chunhongZheng/substrate-learning-lesson4-04 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/chunhongZheng/substrate-learning-lesson4-04 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76d8aa3c3af186755b5ad29af5dd023b2ef248948186e29b05c26a2e20ea2a9
[INFO] running `Command { std: "docker" "start" "-a" "e76d8aa3c3af186755b5ad29af5dd023b2ef248948186e29b05c26a2e20ea2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76d8aa3c3af186755b5ad29af5dd023b2ef248948186e29b05c26a2e20ea2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76d8aa3c3af186755b5ad29af5dd023b2ef248948186e29b05c26a2e20ea2a9", kill_on_drop: false }`
[INFO] [stdout] e76d8aa3c3af186755b5ad29af5dd023b2ef248948186e29b05c26a2e20ea2a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6e3f906e450b195ff41ed1ecf13979c3b82e4db07290cb8f52c047995c36e0
[INFO] running `Command { std: "docker" "start" "-a" "4c6e3f906e450b195ff41ed1ecf13979c3b82e4db07290cb8f52c047995c36e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-learn-lesson4-04 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Yellow` is never constructed
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TrafficLight{
[INFO] [stdout]   |      ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Yellow` is never constructed
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TrafficLight{
[INFO] [stdout]   |      ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `redLight` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let  redLight = TrafficLight::Red;
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to snake case: `red_light`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `redLight` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let  redLight = TrafficLight::Red;
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to snake case: `red_light`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `greenLight` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let greenLight = TrafficLight::Green;
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `green_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `greenLight` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let greenLight = TrafficLight::Green;
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `green_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "4c6e3f906e450b195ff41ed1ecf13979c3b82e4db07290cb8f52c047995c36e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6e3f906e450b195ff41ed1ecf13979c3b82e4db07290cb8f52c047995c36e0", kill_on_drop: false }`
[INFO] [stdout] 4c6e3f906e450b195ff41ed1ecf13979c3b82e4db07290cb8f52c047995c36e0