[INFO] fetching crate combadge 0.4.1...
[INFO] checking combadge-0.4.1 against 1.95.0 for pr-155915
[INFO] extracting crate combadge 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate combadge 0.4.1
[INFO] finished tweaking crates.io crate combadge 0.4.1
[INFO] tweaked toml for crates.io crate combadge 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate combadge 0.4.1 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 crates.io crate combadge 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combadge-macros v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7eec22c65981610bc9837b37c7e6bbffdefe5d8cc755b65bd4a07002f68b402f
[INFO] running `Command { std: "docker" "start" "-a" "7eec22c65981610bc9837b37c7e6bbffdefe5d8cc755b65bd4a07002f68b402f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eec22c65981610bc9837b37c7e6bbffdefe5d8cc755b65bd4a07002f68b402f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eec22c65981610bc9837b37c7e6bbffdefe5d8cc755b65bd4a07002f68b402f", kill_on_drop: false }`
[INFO] [stdout] 7eec22c65981610bc9837b37c7e6bbffdefe5d8cc755b65bd4a07002f68b402f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 25a259a0fd067a7cfd6245eae99d0eeb56d8420e3beccc715b5df0d84e7e677e
[INFO] running `Command { std: "docker" "start" "-a" "25a259a0fd067a7cfd6245eae99d0eeb56d8420e3beccc715b5df0d84e7e677e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling combadge-macros v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking web-sys v0.3.77
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.5
[INFO] [stderr]     Checking combadge v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `combadge` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `combadge` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "25a259a0fd067a7cfd6245eae99d0eeb56d8420e3beccc715b5df0d84e7e677e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a259a0fd067a7cfd6245eae99d0eeb56d8420e3beccc715b5df0d84e7e677e", kill_on_drop: false }`
[INFO] [stdout] 25a259a0fd067a7cfd6245eae99d0eeb56d8420e3beccc715b5df0d84e7e677e
