[INFO] fetching crate uper 0.1.13...
[INFO] testing uper-0.1.13 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate uper 0.1.13 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate uper 0.1.13
[INFO] finished tweaking crates.io crate uper 0.1.13
[INFO] tweaked toml for crates.io crate uper 0.1.13 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uper 0.1.13 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uper 0.1.13 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc
[INFO] running `Command { std: "docker" "start" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustls-pki-types v1.13.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling rustls-native-certs v0.8.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling aok v0.1.18
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling xerr v0.1.16
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling current_platform v0.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling crossfire v2.1.8
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling coarsetime v0.1.36
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling sonic-simd v0.1.2
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling riter v0.1.1
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling sver v0.1.10
[INFO] [stderr]    Compiling const-str v0.7.0
[INFO] [stderr]    Compiling defer-lite v1.0.0
[INFO] [stderr]    Compiling confdir v0.1.4
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling pbar v0.1.8
[INFO] [stderr]    Compiling self-replace v1.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling clap_args v0.1.8
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling confer v0.1.12
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/confer-0.1.12/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg)]
[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 `confer` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc", kill_on_drop: false }`
[INFO] [stdout] c1e4add7058e0be3e8e5eabc9fa33c4151b52c92af01897660ef043fa28f2bfc
