[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 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKim-Dewelski%2Fcyn" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Kim-Dewelski/cyn on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7dfff382d54f50ff9aed7e1421b45cc0055261f951c6b422b56b5c03a45b9739 [INFO] running `Command { std: "docker" "start" "-a" "7dfff382d54f50ff9aed7e1421b45cc0055261f951c6b422b56b5c03a45b9739", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dfff382d54f50ff9aed7e1421b45cc0055261f951c6b422b56b5c03a45b9739", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dfff382d54f50ff9aed7e1421b45cc0055261f951c6b422b56b5c03a45b9739", kill_on_drop: false }` [INFO] [stdout] 7dfff382d54f50ff9aed7e1421b45cc0055261f951c6b422b56b5c03a45b9739 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b33b4e3b4bcfce5f3517156fc65305606f32e850aa8832210938cbf1e8b252ec [INFO] running `Command { std: "docker" "start" "-a" "b33b4e3b4bcfce5f3517156fc65305606f32e850aa8832210938cbf1e8b252ec", 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 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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 { [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: unused variable: `parse` [INFO] [stdout] --> src/initializer.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse(parse: ParseStream) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_parse` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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 { [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] error: struct `Span` is never constructed [INFO] [stdout] --> src/span.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/buffers/mod.rs:258:23 [INFO] [stdout] | [INFO] [stdout] 258 | pub fn lookahead1(&self) -> Lookahead { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 258 | pub fn lookahead1(&self) -> Lookahead<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cyn` (lib) due to 1 previous error; 7 warnings emitted [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: struct `Span` is never constructed [INFO] [stdout] --> src/span.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/buffers/mod.rs:258:23 [INFO] [stdout] | [INFO] [stdout] 258 | pub fn lookahead1(&self) -> Lookahead { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 258 | pub fn lookahead1(&self) -> Lookahead<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cyn` (lib test) due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b33b4e3b4bcfce5f3517156fc65305606f32e850aa8832210938cbf1e8b252ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b33b4e3b4bcfce5f3517156fc65305606f32e850aa8832210938cbf1e8b252ec", kill_on_drop: false }` [INFO] [stdout] b33b4e3b4bcfce5f3517156fc65305606f32e850aa8832210938cbf1e8b252ec