[INFO] cloning repository https://github.com/ilyas-taouaou/codotaku-math-expression-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilyas-taouaou/codotaku-math-expression-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyas-taouaou%2Fcodotaku-math-expression-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyas-taouaou%2Fcodotaku-math-expression-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a056a7a88d4a8aedcaf977d0f2bd73a21804a83e
[INFO] checking ilyas-taouaou/codotaku-math-expression-parser against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyas-taouaou%2Fcodotaku-math-expression-parser" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ilyas-taouaou/codotaku-math-expression-parser
[INFO] finished tweaking git repo https://github.com/ilyas-taouaou/codotaku-math-expression-parser
[INFO] tweaked toml for git repo https://github.com/ilyas-taouaou/codotaku-math-expression-parser written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ilyas-taouaou/codotaku-math-expression-parser 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/ilyas-taouaou/codotaku-math-expression-parser 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 git repository `https://github.com/zesterer/chumsky`
[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] f93238cbc8eba6329478067560f110ffa96c51db32ccfc14578052cd2c3f52c2
[INFO] running `Command { std: "docker" "start" "-a" "f93238cbc8eba6329478067560f110ffa96c51db32ccfc14578052cd2c3f52c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93238cbc8eba6329478067560f110ffa96c51db32ccfc14578052cd2c3f52c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93238cbc8eba6329478067560f110ffa96c51db32ccfc14578052cd2c3f52c2", kill_on_drop: false }`
[INFO] [stdout] f93238cbc8eba6329478067560f110ffa96c51db32ccfc14578052cd2c3f52c2
[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] 51948d38a8f11fed43702ea3942f4c6ee8f3154a28f1d70110521c3e63b6ddda
[INFO] running `Command { std: "docker" "start" "-a" "51948d38a8f11fed43702ea3942f4c6ee8f3154a28f1d70110521c3e63b6ddda", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.6 (https://github.com/zesterer/chumsky#902a0471)
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/chumsky-f75fa12f276e2bbf/902a047/src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | /     feature(
[INFO] [stdout]  7 | |         never_type,
[INFO] [stdout]  8 | |         fn_traits,
[INFO] [stdout]  9 | |         tuple_trait,
[INFO] [stdout] 10 | |         unboxed_closures,
[INFO] [stdout] 11 | |         diagnostic_namespace
[INFO] [stdout] 12 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `diagnostic_namespace` has been stable since `1.78.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chumsky` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "51948d38a8f11fed43702ea3942f4c6ee8f3154a28f1d70110521c3e63b6ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51948d38a8f11fed43702ea3942f4c6ee8f3154a28f1d70110521c3e63b6ddda", kill_on_drop: false }`
[INFO] [stdout] 51948d38a8f11fed43702ea3942f4c6ee8f3154a28f1d70110521c3e63b6ddda