[INFO] cloning repository https://github.com/jiantao88/Substrate_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiantao88/Substrate_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiantao88%2FSubstrate_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiantao88%2FSubstrate_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aa9f868d9a749977b05865b50cc4c42a6ea8552
[INFO] checking jiantao88/Substrate_4 against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiantao88%2FSubstrate_4" "/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/jiantao88/Substrate_4
[INFO] finished tweaking git repo https://github.com/jiantao88/Substrate_4
[INFO] tweaked toml for git repo https://github.com/jiantao88/Substrate_4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jiantao88/Substrate_4 on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jiantao88/Substrate_4 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e7a43db00029d410a9386d137f62f2ef61b7d293ae745b5b5f25fc8e7d8a85d
[INFO] running `Command { std: "docker" "start" "-a" "2e7a43db00029d410a9386d137f62f2ef61b7d293ae745b5b5f25fc8e7d8a85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7a43db00029d410a9386d137f62f2ef61b7d293ae745b5b5f25fc8e7d8a85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7a43db00029d410a9386d137f62f2ef61b7d293ae745b5b5f25fc8e7d8a85d", kill_on_drop: false }`
[INFO] [stdout] 2e7a43db00029d410a9386d137f62f2ef61b7d293ae745b5b5f25fc8e7d8a85d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c070514752d776fc64b1fe4684a921666f0be9bb97a1841a6f08fa36e05786
[INFO] running `Command { std: "docker" "start" "-a" "c6c070514752d776fc64b1fe4684a921666f0be9bb97a1841a6f08fa36e05786", kill_on_drop: false }`
[INFO] [stderr]     Checking Substrate_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => String::from(""),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             TrafficLight::Red => String::from("红灯亮10s"),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 34 |             TrafficLight::Green => String::from("绿灯亮15s"),
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] 35 |             TrafficLight::Yellow => String::from("黄灯亮13s"),
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 36 |             _ => String::from(""),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => String::from(""),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             TrafficLight::Red => String::from("红灯亮10s"),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 34 |             TrafficLight::Green => String::from("绿灯亮15s"),
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] 35 |             TrafficLight::Yellow => String::from("黄灯亮13s"),
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 36 |             _ => String::from(""),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Yellow` are never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 21 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     Green,
[INFO] [stdout] 23 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trafficLight` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let trafficLight = TrafficLight::Green;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `traffic_light`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `calculateTime` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn calculateTime(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Yellow` are never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 21 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     Green,
[INFO] [stdout] 23 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trafficLight` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let trafficLight = TrafficLight::Green;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `traffic_light`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `calculateTime` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn calculateTime(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "c6c070514752d776fc64b1fe4684a921666f0be9bb97a1841a6f08fa36e05786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c070514752d776fc64b1fe4684a921666f0be9bb97a1841a6f08fa36e05786", kill_on_drop: false }`
[INFO] [stdout] c6c070514752d776fc64b1fe4684a921666f0be9bb97a1841a6f08fa36e05786