[INFO] fetching crate yml_dict_li 0.1.4...
[INFO] testing yml_dict_li-0.1.4 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate yml_dict_li 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate yml_dict_li 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate yml_dict_li 0.1.4
[INFO] tweaked toml for crates.io crate yml_dict_li 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yml_dict_li 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to highest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b
[INFO] running `Command { std: "docker" "start" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b", 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" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b" "/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" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b", 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" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling aok v0.1.18
[INFO] [stderr]    Compiling xerr v0.1.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling pipe v0.4.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling ifs v0.1.47
[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/ifs-0.1.47/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 `ifs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b", kill_on_drop: false }`
[INFO] [stdout] 0ed48ab86f895d95a671bd557a0e80f9b5b69ded4820af818cab5faa6e7b716b
