[INFO] cloning repository https://github.com/TheOnlyTails/nymph_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheOnlyTails/nymph_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheOnlyTails%2Fnymph_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheOnlyTails%2Fnymph_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7280f425635dd9eb88e71701a8c8ef8d7c79edf
[INFO] checking TheOnlyTails/nymph_lang against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheOnlyTails%2Fnymph_lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TheOnlyTails/nymph_lang
[INFO] finished tweaking git repo https://github.com/TheOnlyTails/nymph_lang
[INFO] tweaked toml for git repo https://github.com/TheOnlyTails/nymph_lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TheOnlyTails/nymph_lang 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/TheOnlyTails/nymph_lang 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 test-case v3.3.1
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.4
[INFO] [stderr]   Downloaded ordered-float v5.0.0
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] [stderr]   Downloaded vte v0.14.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.1
[INFO] [stderr]   Downloaded ecow v0.2.5
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded psm v0.1.26
[INFO] [stderr]   Downloaded stacker v0.1.21
[INFO] [stderr]   Downloaded ariadne v0.5.1
[INFO] [stderr]   Downloaded chumsky v0.10.1
[INFO] [stderr]   Downloaded assertables v9.7.0
[INFO] [stderr]   Downloaded reedline v0.40.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aca84e98b63a54e6aaefb7353751621cb72febede65789bab6828e40cfb784fa
[INFO] running `Command { std: "docker" "start" "-a" "aca84e98b63a54e6aaefb7353751621cb72febede65789bab6828e40cfb784fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca84e98b63a54e6aaefb7353751621cb72febede65789bab6828e40cfb784fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca84e98b63a54e6aaefb7353751621cb72febede65789bab6828e40cfb784fa", kill_on_drop: false }`
[INFO] [stdout] aca84e98b63a54e6aaefb7353751621cb72febede65789bab6828e40cfb784fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e89bcb3802cbec3dc1a543f282260e1ba0110d63c56342a714f2fb4a22da89e1
[INFO] running `Command { std: "docker" "start" "-a" "e89bcb3802cbec3dc1a543f282260e1ba0110d63c56342a714f2fb4a22da89e1", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking strip-ansi-escapes v0.2.1
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking ecow v0.2.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking assertables v9.7.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chumsky-0.10.1/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     feature(never_type, fn_traits, tuple_trait, unboxed_closures)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking reedline v0.40.0
[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
[INFO] running `Command { std: "docker" "inspect" "e89bcb3802cbec3dc1a543f282260e1ba0110d63c56342a714f2fb4a22da89e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89bcb3802cbec3dc1a543f282260e1ba0110d63c56342a714f2fb4a22da89e1", kill_on_drop: false }`
[INFO] [stdout] e89bcb3802cbec3dc1a543f282260e1ba0110d63c56342a714f2fb4a22da89e1