[INFO] cloning repository https://github.com/347Online/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/347Online/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c8b10a538e776d186b97e708a5e0f73d89544d6
[INFO] checking 347Online/lox against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Flox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/347Online/lox
[INFO] finished tweaking git repo https://github.com/347Online/lox
[INFO] tweaked toml for git repo https://github.com/347Online/lox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/347Online/lox 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/347Online/lox 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 wasm-bindgen-macro v0.2.106
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.106
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded uuid v1.19.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] [stderr]   Downloaded proc-macro-crate v3.4.0
[INFO] [stderr]   Downloaded ordered-float v5.1.0
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]   Downloaded num_enum_derive v0.7.5
[INFO] [stderr]   Downloaded num_enum v0.7.5
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.106
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.106
[INFO] [stderr]   Downloaded bumpalo v3.19.1
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded js-sys v0.3.83
[INFO] [stderr]   Downloaded rustyline v17.0.2
[INFO] [stderr]   Downloaded winnow v0.7.14
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded rustix v1.1.3
[INFO] [stderr]   Downloaded linux-raw-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7cd10179011392a607665ff6cf85cdb03f86e743acfb214d83a22667f2f4adca
[INFO] running `Command { std: "docker" "start" "-a" "7cd10179011392a607665ff6cf85cdb03f86e743acfb214d83a22667f2f4adca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd10179011392a607665ff6cf85cdb03f86e743acfb214d83a22667f2f4adca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd10179011392a607665ff6cf85cdb03f86e743acfb214d83a22667f2f4adca", kill_on_drop: false }`
[INFO] [stdout] 7cd10179011392a607665ff6cf85cdb03f86e743acfb214d83a22667f2f4adca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d51d0b60a871eaf73c078ffcd0d34935324e70c907d838e687022bbb352d17d
[INFO] running `Command { std: "docker" "start" "-a" "3d51d0b60a871eaf73c078ffcd0d34935324e70c907d838e687022bbb352d17d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking rustyline v17.0.2
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking treewalk v0.1.0 (/opt/rustwide/workdir/treewalk)
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> treewalk/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(debug_closure_helpers)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> treewalk/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(debug_closure_helpers)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treewalk` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `treewalk` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3d51d0b60a871eaf73c078ffcd0d34935324e70c907d838e687022bbb352d17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d51d0b60a871eaf73c078ffcd0d34935324e70c907d838e687022bbb352d17d", kill_on_drop: false }`
[INFO] [stdout] 3d51d0b60a871eaf73c078ffcd0d34935324e70c907d838e687022bbb352d17d