[INFO] cloning repository https://github.com/TimoFreiberg/parse-kotlin-data-class
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimoFreiberg/parse-kotlin-data-class" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fparse-kotlin-data-class", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fparse-kotlin-data-class'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8213f99904629ce0ef86944430d0cfff670db21d
[INFO] checking TimoFreiberg/parse-kotlin-data-class against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fparse-kotlin-data-class" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimoFreiberg/parse-kotlin-data-class 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/TimoFreiberg/parse-kotlin-data-class
[INFO] finished tweaking git repo https://github.com/TimoFreiberg/parse-kotlin-data-class
[INFO] tweaked toml for git repo https://github.com/TimoFreiberg/parse-kotlin-data-class written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TimoFreiberg/parse-kotlin-data-class 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 36e370c7c238ff84e33cae2abae1f8c473918c7d3e6517528e0378b98edd62a3
[INFO] running `Command { std: "docker" "start" "-a" "36e370c7c238ff84e33cae2abae1f8c473918c7d3e6517528e0378b98edd62a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e370c7c238ff84e33cae2abae1f8c473918c7d3e6517528e0378b98edd62a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e370c7c238ff84e33cae2abae1f8c473918c7d3e6517528e0378b98edd62a3", kill_on_drop: false }`
[INFO] [stdout] 36e370c7c238ff84e33cae2abae1f8c473918c7d3e6517528e0378b98edd62a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c90b1c3b6fb2ae0383272df184c35fb3e466583a488e214c6839b19b8ee5a06e
[INFO] running `Command { std: "docker" "start" "-a" "c90b1c3b6fb2ae0383272df184c35fb3e466583a488e214c6839b19b8ee5a06e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ron v0.6.0 (/opt/rustwide/workdir/ron)
[INFO] [stderr]     Checking kotlin-data-class v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `boolean`, `float`, `map`, `nested`, `option`, and `tuple` are never read
[INFO] [stdout]   --> ron/examples/decode.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Config {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 7  |     boolean: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     float: f32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     map: HashMap<u8, char>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     nested: Nested,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     option: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     tuple: (u32, u32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> ron/examples/decode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Nested {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 17 |     a: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     b: char,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Nested` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `boolean`, `float`, `map`, `nested`, `tuple`, and `vec` are never read
[INFO] [stdout]   --> ron/examples/decode_file.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Config {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 7  |     boolean: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     float: f32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     map: HashMap<u8, char>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     nested: Nested,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     tuple: (u32, u32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     vec: Vec<Nested>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> ron/examples/decode_file.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Nested {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 17 |     a: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     b: char,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Nested` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "c90b1c3b6fb2ae0383272df184c35fb3e466583a488e214c6839b19b8ee5a06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90b1c3b6fb2ae0383272df184c35fb3e466583a488e214c6839b19b8ee5a06e", kill_on_drop: false }`
[INFO] [stdout] c90b1c3b6fb2ae0383272df184c35fb3e466583a488e214c6839b19b8ee5a06e