[INFO] fetching crate nix-test 0.0.1...
[INFO] testing nix-test-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nix-test 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nix-test 0.0.1
[INFO] finished tweaking crates.io crate nix-test 0.0.1
[INFO] tweaked toml for crates.io crate nix-test 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nix-test 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19dbcf401ad8fb9467f83b5cea8f66cc5d3d9216ff1c0375c55ddb8f373de36c
[INFO] running `Command { std: "docker" "start" "-a" "19dbcf401ad8fb9467f83b5cea8f66cc5d3d9216ff1c0375c55ddb8f373de36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19dbcf401ad8fb9467f83b5cea8f66cc5d3d9216ff1c0375c55ddb8f373de36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dbcf401ad8fb9467f83b5cea8f66cc5d3d9216ff1c0375c55ddb8f373de36c", kill_on_drop: false }`
[INFO] [stdout] 19dbcf401ad8fb9467f83b5cea8f66cc5d3d9216ff1c0375c55ddb8f373de36c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f1fb8df982c3c75d310ea0e4693d0dafd0a11e1bdd6c278273df07aaf0aa526
[INFO] running `Command { std: "docker" "start" "-a" "0f1fb8df982c3c75d310ea0e4693d0dafd0a11e1bdd6c278273df07aaf0aa526", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling nix-test v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `nix-test` (build script) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(env, process)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `env` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> build.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(env, process)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `process` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> build.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(env, process)]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f1fb8df982c3c75d310ea0e4693d0dafd0a11e1bdd6c278273df07aaf0aa526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1fb8df982c3c75d310ea0e4693d0dafd0a11e1bdd6c278273df07aaf0aa526", kill_on_drop: false }`
[INFO] [stdout] 0f1fb8df982c3c75d310ea0e4693d0dafd0a11e1bdd6c278273df07aaf0aa526