[INFO] fetching crate cuteness 0.9.10...
[INFO] testing cuteness-0.9.10 against 1.75.0 for beta-1.76-1
[INFO] extracting crate cuteness 0.9.10 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cuteness 0.9.10 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuteness 0.9.10
[INFO] finished tweaking crates.io crate cuteness 0.9.10
[INFO] tweaked toml for crates.io crate cuteness 0.9.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cuteness 0.9.10 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.7.5
[INFO] [stderr]   Downloaded handlebars v4.5.0
[INFO] [stderr]   Downloaded document-features v0.2.7
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded pest v2.7.5
[INFO] [stderr]   Downloaded emojis v0.5.3
[INFO] [stderr]   Downloaded pest_generator v2.7.5
[INFO] [stderr]   Downloaded yaml-front-matter v0.1.0
[INFO] [stderr]   Downloaded pest_meta v2.7.5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b45d43f1daec2443a41fc1f88c872c6610abf1eac494d3def56164b0a6fe6577
[INFO] running `Command { std: "docker" "start" "-a" "b45d43f1daec2443a41fc1f88c872c6610abf1eac494d3def56164b0a6fe6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45d43f1daec2443a41fc1f88c872c6610abf1eac494d3def56164b0a6fe6577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45d43f1daec2443a41fc1f88c872c6610abf1eac494d3def56164b0a6fe6577", kill_on_drop: false }`
[INFO] [stdout] b45d43f1daec2443a41fc1f88c872c6610abf1eac494d3def56164b0a6fe6577
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c6a919b9f031a580c115c35e4d8cda6676edf5d56632c2ff0a8fcf4997b654
[INFO] running `Command { std: "docker" "start" "-a" "c0c6a919b9f031a580c115c35e4d8cda6676edf5d56632c2ff0a8fcf4997b654", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling zerocopy v0.7.26
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling emojis v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling document-features v0.2.7
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]    Compiling clap v4.4.8
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling yaml-front-matter v0.1.0
[INFO] [stderr]    Compiling handlebars v4.5.0
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling cuteness v0.9.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[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 `cuteness` (bin "cuteness") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c0c6a919b9f031a580c115c35e4d8cda6676edf5d56632c2ff0a8fcf4997b654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c6a919b9f031a580c115c35e4d8cda6676edf5d56632c2ff0a8fcf4997b654", kill_on_drop: false }`
[INFO] [stdout] c0c6a919b9f031a580c115c35e4d8cda6676edf5d56632c2ff0a8fcf4997b654
[INFO] testing cuteness-0.9.10 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate cuteness 0.9.10 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cuteness 0.9.10 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuteness 0.9.10
[INFO] finished tweaking crates.io crate cuteness 0.9.10
[INFO] tweaked toml for crates.io crate cuteness 0.9.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cuteness 0.9.10 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38401eec4fd7005d5645fa6f50b152c7754928c635002e080dfc071de06124b
[INFO] running `Command { std: "docker" "start" "-a" "f38401eec4fd7005d5645fa6f50b152c7754928c635002e080dfc071de06124b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38401eec4fd7005d5645fa6f50b152c7754928c635002e080dfc071de06124b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38401eec4fd7005d5645fa6f50b152c7754928c635002e080dfc071de06124b", kill_on_drop: false }`
[INFO] [stdout] f38401eec4fd7005d5645fa6f50b152c7754928c635002e080dfc071de06124b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf140fae1a47a5a205a9eb7f951c2cc0c6b4ea20dc3675b6997e0dcb82eca5af
[INFO] running `Command { std: "docker" "start" "-a" "cf140fae1a47a5a205a9eb7f951c2cc0c6b4ea20dc3675b6997e0dcb82eca5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling zerocopy v0.7.26
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling emojis v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling document-features v0.2.7
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]    Compiling clap v4.4.8
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling yaml-front-matter v0.1.0
[INFO] [stderr]    Compiling handlebars v4.5.0
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling cuteness v0.9.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `cuteness` (bin "cuteness") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cf140fae1a47a5a205a9eb7f951c2cc0c6b4ea20dc3675b6997e0dcb82eca5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf140fae1a47a5a205a9eb7f951c2cc0c6b4ea20dc3675b6997e0dcb82eca5af", kill_on_drop: false }`
[INFO] [stdout] cf140fae1a47a5a205a9eb7f951c2cc0c6b4ea20dc3675b6997e0dcb82eca5af
