[INFO] cloning repository https://github.com/jonesinator/logic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonesinator/logic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesinator%2Flogic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesinator%2Flogic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 217efaa0434c6deb227e42451cf4780afad891f7
[INFO] testing jonesinator/logic against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonesinator%2Flogic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonesinator/logic
[INFO] finished tweaking git repo https://github.com/jonesinator/logic
[INFO] tweaked toml for git repo https://github.com/jonesinator/logic written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonesinator/logic on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonesinator/logic 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24b60103d2e45ac49623a641a34adb38201ebfa3d47ccf1dbffa5f59be685984
[INFO] running `Command { std: "docker" "start" "-a" "24b60103d2e45ac49623a641a34adb38201ebfa3d47ccf1dbffa5f59be685984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b60103d2e45ac49623a641a34adb38201ebfa3d47ccf1dbffa5f59be685984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b60103d2e45ac49623a641a34adb38201ebfa3d47ccf1dbffa5f59be685984", kill_on_drop: false }`
[INFO] [stdout] 24b60103d2e45ac49623a641a34adb38201ebfa3d47ccf1dbffa5f59be685984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff0917fee57d7f3b037a7083ee9b7f8b852408717d56d3f1f45e4eea8e39178
[INFO] running `Command { std: "docker" "start" "-a" "1ff0917fee57d7f3b037a7083ee9b7f8b852408717d56d3f1f45e4eea8e39178", kill_on_drop: false }`
[INFO] [stderr]    Compiling device-derive v0.1.0 (/opt/rustwide/workdir/device-derive)
[INFO] [stderr]    Compiling foundation v0.1.0 (/opt/rustwide/workdir/foundation)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> foundation/src/lib.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> foundation/src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | #![feature(strict_overflow_ops)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> foundation/src/lib.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | #![feature(trait_upcasting)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `trait_upcasting` has been stable since `1.86.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> foundation/src/lib.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 | #![feature(trait_upcasting)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `foundation` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1ff0917fee57d7f3b037a7083ee9b7f8b852408717d56d3f1f45e4eea8e39178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff0917fee57d7f3b037a7083ee9b7f8b852408717d56d3f1f45e4eea8e39178", kill_on_drop: false }`
[INFO] [stdout] 1ff0917fee57d7f3b037a7083ee9b7f8b852408717d56d3f1f45e4eea8e39178