[INFO] fetching crate mca-cuboids 0.2.0...
[INFO] testing mca-cuboids-0.2.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate mca-cuboids 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mca-cuboids 0.2.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mca-cuboids 0.2.0
[INFO] finished tweaking crates.io crate mca-cuboids 0.2.0
[INFO] tweaked toml for crates.io crate mca-cuboids 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-common v9.2.1
[INFO] [stderr]   Downloaded pprof v0.10.1
[INFO] [stderr]   Downloaded symbolic-demangle v9.2.1
[INFO] [stderr]   Downloaded fastnbt v2.4.4
[INFO] [stderr]   Downloaded fastanvil v0.26.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 032e09e2a880874fe63a63d9576620635200d415fddcdc261553d1f82feb197b
[INFO] running `Command { std: "docker" "start" "-a" "032e09e2a880874fe63a63d9576620635200d415fddcdc261553d1f82feb197b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "032e09e2a880874fe63a63d9576620635200d415fddcdc261553d1f82feb197b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032e09e2a880874fe63a63d9576620635200d415fddcdc261553d1f82feb197b", kill_on_drop: false }`
[INFO] [stdout] 032e09e2a880874fe63a63d9576620635200d415fddcdc261553d1f82feb197b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8024e6a144a1e3c76eec1408b98fcc7fc3fcdecf265249fbf8fb75f3917f8cf0
[INFO] running `Command { std: "docker" "start" "-a" "8024e6a144a1e3c76eec1408b98fcc7fc3fcdecf265249fbf8fb75f3917f8cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling indexmap v2.2.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling serde_bytes v0.11.14
[INFO] [stderr]    Compiling fastnbt v2.4.4
[INFO] [stderr]    Compiling fastanvil v0.26.3
[INFO] [stderr]    Compiling mca-cuboids v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[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 `mca-cuboids` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8024e6a144a1e3c76eec1408b98fcc7fc3fcdecf265249fbf8fb75f3917f8cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8024e6a144a1e3c76eec1408b98fcc7fc3fcdecf265249fbf8fb75f3917f8cf0", kill_on_drop: false }`
[INFO] [stdout] 8024e6a144a1e3c76eec1408b98fcc7fc3fcdecf265249fbf8fb75f3917f8cf0
