[INFO] fetching crate mdbook-aquascope 0.1.4...
[INFO] testing mdbook-aquascope-0.1.4 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate mdbook-aquascope 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mdbook-aquascope 0.1.4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-aquascope 0.1.4
[INFO] finished tweaking crates.io crate mdbook-aquascope 0.1.4
[INFO] tweaked toml for crates.io crate mdbook-aquascope 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-aquascope 0.1.4 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aquascope_workspace_utils v0.1.4
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded html-escape v0.2.13
[INFO] [stderr]   Downloaded clap_complete v4.2.0
[INFO] [stderr]   Downloaded nom_locate v4.1.0
[INFO] [stderr]   Downloaded ts-rs v6.2.1
[INFO] [stderr]   Downloaded ts-rs-macros v6.2.0
[INFO] [stderr]   Downloaded mdbook-preprocessor-utils v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8177a6f29d3d254e30001ee728c5d4777674b3f29b6d612e8855f22e01e40b11
[INFO] running `Command { std: "docker" "start" "-a" "8177a6f29d3d254e30001ee728c5d4777674b3f29b6d612e8855f22e01e40b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8177a6f29d3d254e30001ee728c5d4777674b3f29b6d612e8855f22e01e40b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8177a6f29d3d254e30001ee728c5d4777674b3f29b6d612e8855f22e01e40b11", kill_on_drop: false }`
[INFO] [stdout] 8177a6f29d3d254e30001ee728c5d4777674b3f29b6d612e8855f22e01e40b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa08dc275be43b51eddaff3c59912d71f811bf0ba87eb24591c406199963b1e1
[INFO] running `Command { std: "docker" "start" "-a" "fa08dc275be43b51eddaff3c59912d71f811bf0ba87eb24591c406199963b1e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling is-terminal v0.4.6
[INFO] [stderr]    Compiling anstream v0.2.6
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]    Compiling clap_builder v4.2.1
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling opener v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling clap v4.2.1
[INFO] [stderr]    Compiling clap_complete v4.2.0
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling ts-rs-macros v6.2.0
[INFO] [stderr]    Compiling pest v2.5.7
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling pest_meta v2.5.7
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling utf8-width v0.1.6
[INFO] [stderr]    Compiling nom_locate v4.1.0
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling ts-rs v6.2.1
[INFO] [stderr]    Compiling pest_generator v2.5.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling pest_derive v2.5.7
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling aquascope_workspace_utils v0.1.4
[INFO] [stderr]    Compiling handlebars v4.3.6
[INFO] [stderr]    Compiling mdbook v0.4.28
[INFO] [stderr]    Compiling mdbook-preprocessor-utils v0.1.4
[INFO] [stderr]    Compiling mdbook-aquascope v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-aquascope` (bin "mdbook-aquascope") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa08dc275be43b51eddaff3c59912d71f811bf0ba87eb24591c406199963b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa08dc275be43b51eddaff3c59912d71f811bf0ba87eb24591c406199963b1e1", kill_on_drop: false }`
[INFO] [stdout] fa08dc275be43b51eddaff3c59912d71f811bf0ba87eb24591c406199963b1e1
