[INFO] fetching crate moongen 0.0.2...
[INFO] checking moongen-0.0.2 against 1.95.0 for pr-155915
[INFO] extracting crate moongen 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate moongen 0.0.2
[INFO] finished tweaking crates.io crate moongen 0.0.2
[INFO] tweaked toml for crates.io crate moongen 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate moongen 0.0.2 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 moongen 0.0.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v4.2.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.1
[INFO] [stderr]   Downloaded zmij v1.0.19
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded json-escape v0.3.1
[INFO] [stderr]   Downloaded tracing-fancytree v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5b274f647e0a0459b8086a535b66938a43395872a064c80dc6b910d34685e491
[INFO] running `Command { std: "docker" "start" "-a" "5b274f647e0a0459b8086a535b66938a43395872a064c80dc6b910d34685e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b274f647e0a0459b8086a535b66938a43395872a064c80dc6b910d34685e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b274f647e0a0459b8086a535b66938a43395872a064c80dc6b910d34685e491", kill_on_drop: false }`
[INFO] [stdout] 5b274f647e0a0459b8086a535b66938a43395872a064c80dc6b910d34685e491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 34ac12c93da1451807358fa5efc07b5aa79ba8d098751527575e6c7a4e7a8ca8
[INFO] running `Command { std: "docker" "start" "-a" "34ac12c93da1451807358fa5efc07b5aa79ba8d098751527575e6c7a4e7a8ca8", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling json-escape v0.3.1
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]    Compiling pest v2.8.5
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking tracing-fancytree v0.1.0
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]    Compiling pest_meta v2.8.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking clap v4.5.54
[INFO] [stderr]    Compiling pest_generator v2.8.5
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling pest_derive v2.8.5
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.6.0
[INFO] [stderr]     Checking moongen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `moongen` (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 `moongen` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "34ac12c93da1451807358fa5efc07b5aa79ba8d098751527575e6c7a4e7a8ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ac12c93da1451807358fa5efc07b5aa79ba8d098751527575e6c7a4e7a8ca8", kill_on_drop: false }`
[INFO] [stdout] 34ac12c93da1451807358fa5efc07b5aa79ba8d098751527575e6c7a4e7a8ca8
