[INFO] fetching crate lcf 0.9.2...
[INFO] checking lcf-0.9.2 against 1.95.0 for pr-155915
[INFO] extracting crate lcf 0.9.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate lcf 0.9.2
[INFO] finished tweaking crates.io crate lcf 0.9.2
[INFO] tweaked toml for crates.io crate lcf 0.9.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lcf 0.9.2 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 lcf 0.9.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v4.2.1
[INFO] [stderr]   Downloaded binrw_derive v0.15.0
[INFO] [stderr]   Downloaded binrw v0.15.0
[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] 40f11bb6ccf3855a103c8f6e909da5c7113c37719994a30e701d62cd8d79434d
[INFO] running `Command { std: "docker" "start" "-a" "40f11bb6ccf3855a103c8f6e909da5c7113c37719994a30e701d62cd8d79434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f11bb6ccf3855a103c8f6e909da5c7113c37719994a30e701d62cd8d79434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f11bb6ccf3855a103c8f6e909da5c7113c37719994a30e701d62cd8d79434d", kill_on_drop: false }`
[INFO] [stdout] 40f11bb6ccf3855a103c8f6e909da5c7113c37719994a30e701d62cd8d79434d
[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] 27cd12afdc5236cd5f3502e8d930dd8126ca6c9da0b95984a56a1d3a95862792
[INFO] running `Command { std: "docker" "start" "-a" "27cd12afdc5236cd5f3502e8d930dd8126ca6c9da0b95984a56a1d3a95862792", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]    Compiling binrw v0.15.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]     Checking num_enum v0.7.5
[INFO] [stderr]     Checking lcf v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcf` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcf` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "27cd12afdc5236cd5f3502e8d930dd8126ca6c9da0b95984a56a1d3a95862792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd12afdc5236cd5f3502e8d930dd8126ca6c9da0b95984a56a1d3a95862792", kill_on_drop: false }`
[INFO] [stdout] 27cd12afdc5236cd5f3502e8d930dd8126ca6c9da0b95984a56a1d3a95862792
