[INFO] fetching crate dialogical 0.8.2...
[INFO] testing dialogical-0.8.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate dialogical 0.8.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dialogical 0.8.2 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 dialogical 0.8.2
[INFO] finished tweaking crates.io crate dialogical 0.8.2
[INFO] tweaked toml for crates.io crate dialogical 0.8.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate dialogical 0.8.2 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded map-macro v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ca2f5b67a2aa4c640d1f8f4b5341a58cf786966fa9baf48a686fa8ab29cf2b7a
[INFO] running `Command { std: "docker" "start" "-a" "ca2f5b67a2aa4c640d1f8f4b5341a58cf786966fa9baf48a686fa8ab29cf2b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2f5b67a2aa4c640d1f8f4b5341a58cf786966fa9baf48a686fa8ab29cf2b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2f5b67a2aa4c640d1f8f4b5341a58cf786966fa9baf48a686fa8ab29cf2b7a", kill_on_drop: false }`
[INFO] [stdout] ca2f5b67a2aa4c640d1f8f4b5341a58cf786966fa9baf48a686fa8ab29cf2b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3fbd9fc43a71657a3e3ca0408a3de04229121081a2b7b1bd4a9de8338f70bd9e
[INFO] running `Command { std: "docker" "start" "-a" "3fbd9fc43a71657a3e3ca0408a3de04229121081a2b7b1bd4a9de8338f70bd9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling map-macro v0.2.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[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 clap v4.4.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling dialogical v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(if_let_guard)]
[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 `dialogical` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3fbd9fc43a71657a3e3ca0408a3de04229121081a2b7b1bd4a9de8338f70bd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbd9fc43a71657a3e3ca0408a3de04229121081a2b7b1bd4a9de8338f70bd9e", kill_on_drop: false }`
[INFO] [stdout] 3fbd9fc43a71657a3e3ca0408a3de04229121081a2b7b1bd4a9de8338f70bd9e
