[INFO] cloning repository https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackLin00/LearnSubstrateLesson3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bef756e7af041aa6d29fe904fd2281c3765e4b7
[INFO] checking JackLin00/LearnSubstrateLesson3 against master#1c7b36d4db582cb47513a6c7176baaec1c3346ab for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackLin00%2FLearnSubstrateLesson3" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JackLin00/LearnSubstrateLesson3 on toolchain 1c7b36d4db582cb47513a6c7176baaec1c3346ab
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] finished tweaking git repo https://github.com/JackLin00/LearnSubstrateLesson3
[INFO] tweaked toml for git repo https://github.com/JackLin00/LearnSubstrateLesson3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JackLin00/LearnSubstrateLesson3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b80f503b0e2baa2eaafc5f32011330c0b4eeb521ba4a9566e8dd14533a4a67e
[INFO] running `Command { std: "docker" "start" "-a" "0b80f503b0e2baa2eaafc5f32011330c0b4eeb521ba4a9566e8dd14533a4a67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b80f503b0e2baa2eaafc5f32011330c0b4eeb521ba4a9566e8dd14533a4a67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b80f503b0e2baa2eaafc5f32011330c0b4eeb521ba4a9566e8dd14533a4a67e", kill_on_drop: false }`
[INFO] [stdout] 0b80f503b0e2baa2eaafc5f32011330c0b4eeb521ba4a9566e8dd14533a4a67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d2be6aca293469c0c78bbd64be36835732ad91955265c5bdd4dcb9babc7aff
[INFO] running `Command { std: "docker" "start" "-a" "c2d2be6aca293469c0c78bbd64be36835732ad91955265c5bdd4dcb9babc7aff", kill_on_drop: false }`
[INFO] [stderr]     Checking Lesson3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Lesson3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lesson3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Lesson3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lesson3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c2d2be6aca293469c0c78bbd64be36835732ad91955265c5bdd4dcb9babc7aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d2be6aca293469c0c78bbd64be36835732ad91955265c5bdd4dcb9babc7aff", kill_on_drop: false }`
[INFO] [stdout] c2d2be6aca293469c0c78bbd64be36835732ad91955265c5bdd4dcb9babc7aff