[INFO] cloning repository https://github.com/qaz2tec/Learning_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qaz2tec/Learning_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaz2tec%2FLearning_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaz2tec%2FLearning_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70f2d6f21a6f140fa1662b21bca0377c328b8bee
[INFO] checking qaz2tec/Learning_Rust against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaz2tec%2FLearning_Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qaz2tec/Learning_Rust
[INFO] finished tweaking git repo https://github.com/qaz2tec/Learning_Rust
[INFO] tweaked toml for git repo https://github.com/qaz2tec/Learning_Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qaz2tec/Learning_Rust on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qaz2tec/Learning_Rust 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78da489c4542f318d729737987b95794d5b8b9c0527c1bcfbc4b960ce2af038
[INFO] running `Command { std: "docker" "start" "-a" "d78da489c4542f318d729737987b95794d5b8b9c0527c1bcfbc4b960ce2af038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78da489c4542f318d729737987b95794d5b8b9c0527c1bcfbc4b960ce2af038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78da489c4542f318d729737987b95794d5b8b9c0527c1bcfbc4b960ce2af038", kill_on_drop: false }`
[INFO] [stdout] d78da489c4542f318d729737987b95794d5b8b9c0527c1bcfbc4b960ce2af038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3826aeda20d9318002a0fff8c8cdfc20258fc50b8ade8a82ab9abf2d419342c
[INFO] running `Command { std: "docker" "start" "-a" "d3826aeda20d9318002a0fff8c8cdfc20258fc50b8ade8a82ab9abf2d419342c", kill_on_drop: false }`
[INFO] [stderr]     Checking Ruust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NotOk` is never constructed
[INFO] [stdout]  --> src/bin/main2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Status {
[INFO] [stdout]   |      ------ variant in this enum
[INFO] [stdout] 2 |     Okay,
[INFO] [stdout] 3 |     NotOk,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `status` are never read
[INFO] [stdout]  --> src/bin/main2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Condition {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     status: Status,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotOk` is never constructed
[INFO] [stdout]  --> src/bin/main2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Status {
[INFO] [stdout]   |      ------ variant in this enum
[INFO] [stdout] 2 |     Okay,
[INFO] [stdout] 3 |     NotOk,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `status` are never read
[INFO] [stdout]  --> src/bin/main2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Condition {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     status: Status,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "d3826aeda20d9318002a0fff8c8cdfc20258fc50b8ade8a82ab9abf2d419342c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3826aeda20d9318002a0fff8c8cdfc20258fc50b8ade8a82ab9abf2d419342c", kill_on_drop: false }`
[INFO] [stdout] d3826aeda20d9318002a0fff8c8cdfc20258fc50b8ade8a82ab9abf2d419342c