[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#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiantao88%2FSubstrate_4" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jiantao88/Substrate_4 on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e638869e4dd967834cec254cdb48f21bd4bdd6daca5cb4eacb2b11bdcd133cfe
[INFO] running `Command { std: "docker" "start" "-a" "e638869e4dd967834cec254cdb48f21bd4bdd6daca5cb4eacb2b11bdcd133cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e638869e4dd967834cec254cdb48f21bd4bdd6daca5cb4eacb2b11bdcd133cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e638869e4dd967834cec254cdb48f21bd4bdd6daca5cb4eacb2b11bdcd133cfe", kill_on_drop: false }`
[INFO] [stdout] e638869e4dd967834cec254cdb48f21bd4bdd6daca5cb4eacb2b11bdcd133cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63e2e648d877bbd5668c015df928434b51f5219875b6f50e8ee217598de915a0
[INFO] running `Command { std: "docker" "start" "-a" "63e2e648d877bbd5668c015df928434b51f5219875b6f50e8ee217598de915a0", 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Substrate_4` (bin "Substrate_4"); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/fc545c6b951a304df08b327c158f92678582f435/bin/rustc --crate-name Substrate_4 --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=cfc7b26ac348fc32 -C extra-filename=-e9806ded2f2f3bbd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `Substrate_4` (bin "Substrate_4" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/fc545c6b951a304df08b327c158f92678582f435/bin/rustc --crate-name Substrate_4 --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=07ccdbbfb58261f9 -C extra-filename=-ce511de51450b0b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "63e2e648d877bbd5668c015df928434b51f5219875b6f50e8ee217598de915a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e2e648d877bbd5668c015df928434b51f5219875b6f50e8ee217598de915a0", kill_on_drop: false }`
[INFO] [stdout] 63e2e648d877bbd5668c015df928434b51f5219875b6f50e8ee217598de915a0