[INFO] cloning repository https://github.com/accusitive/sweetc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/accusitive/sweetc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Fsweetc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Fsweetc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bf5debbe05cbff0482112998d9acd1bb54c09bf
[INFO] checking accusitive/sweetc against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Fsweetc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/accusitive/sweetc
[INFO] finished tweaking git repo https://github.com/accusitive/sweetc
[INFO] tweaked toml for git repo https://github.com/accusitive/sweetc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/accusitive/sweetc on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/accusitive/sweetc 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.5.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded chumsky v0.10.1
[INFO] [stderr]   Downloaded regex-automata v0.3.9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c293346c26835294f70b897093282f809851c94c81eace8416eafdc873b9e49a
[INFO] running `Command { std: "docker" "start" "-a" "c293346c26835294f70b897093282f809851c94c81eace8416eafdc873b9e49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c293346c26835294f70b897093282f809851c94c81eace8416eafdc873b9e49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c293346c26835294f70b897093282f809851c94c81eace8416eafdc873b9e49a", kill_on_drop: false }`
[INFO] [stdout] c293346c26835294f70b897093282f809851c94c81eace8416eafdc873b9e49a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e789d0b11d586c0d968fbf13da15d46904d4beb93c8dce83759f6c9008978f
[INFO] running `Command { std: "docker" "start" "-a" "b2e789d0b11d586c0d968fbf13da15d46904d4beb93c8dce83759f6c9008978f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking infer v0.1.0 (/opt/rustwide/workdir/infer)
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> parser/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Write`, `ops::Deref`, and `write`
[INFO] [stdout]  --> parser/src/lib.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write, write},
[INFO] [stdout]   |           ^^^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 4 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryOperation`, `Expression`, `Item`, `Parameter`, `PathSegment`, `Path`, `Ty`, `TypeDefinitionKind`, and `TypeParameter`
[INFO] [stdout]   --> parser/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BinaryOperation, Expression, Item, Parameter, Path, PathSegment, TranslationUnit, Ty,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^^^                   ^^
[INFO] [stdout] 13 |     TypeDefinitionKind, TypeParameter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> parser/src/parser.rs:268:26
[INFO] [stdout]     |
[INFO] [stdout] 268 |             .map_with(|(((condition), then), elze), e| {
[INFO] [stdout]     |                          ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 -             .map_with(|(((condition), then), elze), e| {
[INFO] [stdout] 268 +             .map_with(|((condition , then), elze), e| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> parser/src/parser.rs:213:70
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let r#false = just(Token::Keyword(Keyword::False)).map_with(|i, e| {
[INFO] [stdout]     |                                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> parser/src/parser.rs:206:68
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let r#true = just(Token::Keyword(Keyword::True)).map_with(|i, e| {
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b2e789d0b11d586c0d968fbf13da15d46904d4beb93c8dce83759f6c9008978f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e789d0b11d586c0d968fbf13da15d46904d4beb93c8dce83759f6c9008978f", kill_on_drop: false }`
[INFO] [stdout] b2e789d0b11d586c0d968fbf13da15d46904d4beb93c8dce83759f6c9008978f