[INFO] cloning repository https://github.com/skycloudd/pepper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skycloudd/pepper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fpepper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fpepper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41e5af1ad5b43dc29e060f61acc018159539053f
[INFO] checking skycloudd/pepper against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fpepper" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skycloudd/pepper
[INFO] finished tweaking git repo https://github.com/skycloudd/pepper
[INFO] tweaked toml for git repo https://github.com/skycloudd/pepper written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skycloudd/pepper on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skycloudd/pepper 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" "+b66808126f24f2f30898306a881e1676824ea80c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.15
[INFO] [stderr]   Downloaded lasso v0.7.3
[INFO] [stderr]   Downloaded owo-colors v4.1.0
[INFO] [stderr]   Downloaded clap v4.5.26
[INFO] [stderr]   Downloaded insta v1.42.0
[INFO] [stderr]   Downloaded cc v1.2.2
[INFO] [stderr]   Downloaded chumsky v1.0.0-alpha.7
[INFO] [stderr]   Downloaded clap_builder v4.5.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014
[INFO] running `Command { std: "docker" "start" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.7
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]     Checking bstr v1.11.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking lasso v0.7.3
[INFO] [stderr]     Checking globset v0.4.15
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]     Checking pepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.217
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/typechecker/mod.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn typecheck(&mut self, ast: Ast) -> TypedAst {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Typechecker<'a> {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 12 |     errors: &'a mut Vec<Error>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Typechecker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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/diagnostics/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn message(&self) -> Cow<str>;
[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] 9 |     fn message(&self) -> Cow<'_, str>;
[INFO] [stdout]   |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics/error.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking insta v1.42.0
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/typechecker/mod.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn typecheck(&mut self, ast: Ast) -> TypedAst {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Typechecker<'a> {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 12 |     errors: &'a mut Vec<Error>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Typechecker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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/diagnostics/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn message(&self) -> Cow<str>;
[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] 9 |     fn message(&self) -> Cow<'_, str>;
[INFO] [stdout]   |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics/error.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: chumsky v1.0.0-alpha.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014", kill_on_drop: false }`
[INFO] [stdout] 931c8fa8252c29f21244ace900e717566202e039e6e2fc404b6d7c866b7ae014
