[INFO] cloning repository https://github.com/madhav-madhusoodanan/langue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madhav-madhusoodanan/langue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Flangue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Flangue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 193471063a57102af227ff5f26ac9bcad58002d7
[INFO] checking madhav-madhusoodanan/langue against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Flangue" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madhav-madhusoodanan/langue on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madhav-madhusoodanan/langue
[INFO] finished tweaking git repo https://github.com/madhav-madhusoodanan/langue
[INFO] tweaked toml for git repo https://github.com/madhav-madhusoodanan/langue written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/madhav-madhusoodanan/langue 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5421a1a6517368cde091e6d97ac041a5bb59ab39ecc8edb0a0e145aac21ece94
[INFO] running `Command { std: "docker" "start" "-a" "5421a1a6517368cde091e6d97ac041a5bb59ab39ecc8edb0a0e145aac21ece94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5421a1a6517368cde091e6d97ac041a5bb59ab39ecc8edb0a0e145aac21ece94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5421a1a6517368cde091e6d97ac041a5bb59ab39ecc8edb0a0e145aac21ece94", kill_on_drop: false }`
[INFO] [stdout] 5421a1a6517368cde091e6d97ac041a5bb59ab39ecc8edb0a0e145aac21ece94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799f2425d9aa6db9eba03b11b0f3f7f92bd53105dfee97bdcb4097dccf5eba7b
[INFO] running `Command { std: "docker" "start" "-a" "799f2425d9aa6db9eba03b11b0f3f7f92bd53105dfee97bdcb4097dccf5eba7b", kill_on_drop: false }`
[INFO] [stderr]     Checking langue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     MissingVariable(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     MissingVariable(String),
[INFO] [stdout] 19 +     MissingVariable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GeneratingSomethingFromNothingEh` is never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum EngineError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     GeneratingSomethingFromNothingEh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     MissingVariable(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     MissingVariable(String),
[INFO] [stdout] 19 +     MissingVariable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GeneratingSomethingFromNothingEh` is never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum EngineError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     GeneratingSomethingFromNothingEh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "799f2425d9aa6db9eba03b11b0f3f7f92bd53105dfee97bdcb4097dccf5eba7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799f2425d9aa6db9eba03b11b0f3f7f92bd53105dfee97bdcb4097dccf5eba7b", kill_on_drop: false }`
[INFO] [stdout] 799f2425d9aa6db9eba03b11b0f3f7f92bd53105dfee97bdcb4097dccf5eba7b
