[INFO] cloning repository https://github.com/Kim-Dewelski/cyn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kim-Dewelski/cyn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKim-Dewelski%2Fcyn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKim-Dewelski%2Fcyn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fa01f16f27a9f85cf4927d6308f222cb8cbfa82
[INFO] checking Kim-Dewelski/cyn/0fa01f16f27a9f85cf4927d6308f222cb8cbfa82 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKim-Dewelski%2Fcyn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kim-Dewelski/cyn on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kim-Dewelski/cyn
[INFO] finished tweaking git repo https://github.com/Kim-Dewelski/cyn
[INFO] tweaked toml for git repo https://github.com/Kim-Dewelski/cyn written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kim-Dewelski/cyn 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peeking_take_while v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2127ed2b4ab4c040f62a630f81d41d32588b03a82bb81aca88cd5ba6d72b614e
[INFO] running `Command { std: "docker" "start" "-a" "2127ed2b4ab4c040f62a630f81d41d32588b03a82bb81aca88cd5ba6d72b614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2127ed2b4ab4c040f62a630f81d41d32588b03a82bb81aca88cd5ba6d72b614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2127ed2b4ab4c040f62a630f81d41d32588b03a82bb81aca88cd5ba6d72b614e", kill_on_drop: false }`
[INFO] [stdout] 2127ed2b4ab4c040f62a630f81d41d32588b03a82bb81aca88cd5ba6d72b614e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7aa487768f475ee294156592ca813532b21df749c78c432963817ba7d727447
[INFO] running `Command { std: "docker" "start" "-a" "e7aa487768f475ee294156592ca813532b21df749c78c432963817ba7d727447", kill_on_drop: false }`
[INFO] [stderr]     Checking peeking_take_while v1.0.0
[INFO] [stderr]     Checking cyn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parse`
[INFO] [stdout]   --> src/initializer.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn parse(parse: ParseStream) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parse`
[INFO] [stdout]   --> src/initializer.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parse(parse: ParseStream) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/initializer.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn to_tokens(&self, tokens: &mut TokenStream) {
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/initializer.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn to_tokens(&self, tokens: &mut TokenStream) {
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> src/specifier.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |         fn to_tokens(&self, tokens: &mut TokenStream) {}
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_token` and `end_token` are never read
[INFO] [stdout]  --> src/span.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Span {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     start_token: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     end_token: usize,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parse`
[INFO] [stdout]   --> src/initializer.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn parse(parse: ParseStream) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parse`
[INFO] [stdout]   --> src/initializer.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parse(parse: ParseStream) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/initializer.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn to_tokens(&self, tokens: &mut TokenStream) {
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/initializer.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn to_tokens(&self, tokens: &mut TokenStream) {
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> src/specifier.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |         fn to_tokens(&self, tokens: &mut TokenStream) {}
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_token` and `end_token` are never read
[INFO] [stdout]  --> src/span.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Span {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     start_token: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     end_token: usize,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "e7aa487768f475ee294156592ca813532b21df749c78c432963817ba7d727447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7aa487768f475ee294156592ca813532b21df749c78c432963817ba7d727447", kill_on_drop: false }`
[INFO] [stdout] e7aa487768f475ee294156592ca813532b21df749c78c432963817ba7d727447