[INFO] cloning repository https://github.com/sagarreddypatil/language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagarreddypatil/language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarreddypatil%2Flanguage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarreddypatil%2Flanguage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 238cf9c33cfbcdcdc19b1250342edd6175ba9980
[INFO] checking sagarreddypatil/language against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarreddypatil%2Flanguage" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagarreddypatil/language on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sagarreddypatil/language
[INFO] finished tweaking git repo https://github.com/sagarreddypatil/language
[INFO] tweaked toml for git repo https://github.com/sagarreddypatil/language written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sagarreddypatil/language 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfa8bcbcbeb232794d10b2d288d131311e78e1e54cf809f66402240a07e2b3e9
[INFO] running `Command { std: "docker" "start" "-a" "cfa8bcbcbeb232794d10b2d288d131311e78e1e54cf809f66402240a07e2b3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa8bcbcbeb232794d10b2d288d131311e78e1e54cf809f66402240a07e2b3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa8bcbcbeb232794d10b2d288d131311e78e1e54cf809f66402240a07e2b3e9", kill_on_drop: false }`
[INFO] [stdout] cfa8bcbcbeb232794d10b2d288d131311e78e1e54cf809f66402240a07e2b3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630eaba3f1aa08313c14b3742674fe0a8d1913d2986464955ce65e538b16bf10
[INFO] running `Command { std: "docker" "start" "-a" "630eaba3f1aa08313c14b3742674fe0a8d1913d2986464955ce65e538b16bf10", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `line`, `col`, and `length` are never read
[INFO] [stdout]   --> src/lexer.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 47 |     pub kind: TokenKind,
[INFO] [stdout] 48 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 49 |     pub col: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 50 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `col`, and `length` are never read
[INFO] [stdout]   --> src/lexer.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 47 |     pub kind: TokenKind,
[INFO] [stdout] 48 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 49 |     pub col: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 50 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "630eaba3f1aa08313c14b3742674fe0a8d1913d2986464955ce65e538b16bf10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630eaba3f1aa08313c14b3742674fe0a8d1913d2986464955ce65e538b16bf10", kill_on_drop: false }`
[INFO] [stdout] 630eaba3f1aa08313c14b3742674fe0a8d1913d2986464955ce65e538b16bf10