[INFO] fetching crate libsmallworld 0.1.0...
[INFO] testing libsmallworld-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate libsmallworld 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate libsmallworld 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate libsmallworld 0.1.0
[INFO] finished tweaking crates.io crate libsmallworld 0.1.0
[INFO] tweaked toml for crates.io crate libsmallworld 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2 v0.7.7
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.7
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63ddb63eda31383772210e53ca7bfa5e7cb6b72dcdbe629c87513618eb786e90
[INFO] running `Command { std: "docker" "start" "-a" "63ddb63eda31383772210e53ca7bfa5e7cb6b72dcdbe629c87513618eb786e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63ddb63eda31383772210e53ca7bfa5e7cb6b72dcdbe629c87513618eb786e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ddb63eda31383772210e53ca7bfa5e7cb6b72dcdbe629c87513618eb786e90", kill_on_drop: false }`
[INFO] [stdout] 63ddb63eda31383772210e53ca7bfa5e7cb6b72dcdbe629c87513618eb786e90
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7ec1a8057bcf06aa3ec104a1b5215754d09fe2db91d94e33fe1f8a9e908f4a6
[INFO] running `Command { std: "docker" "start" "-a" "b7ec1a8057bcf06aa3ec104a1b5215754d09fe2db91d94e33fe1f8a9e908f4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling enumflags2_derive v0.7.7
[INFO] [stderr]    Compiling enumflags2 v0.7.7
[INFO] [stderr]    Compiling libsmallworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_bytes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsmallworld` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b7ec1a8057bcf06aa3ec104a1b5215754d09fe2db91d94e33fe1f8a9e908f4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ec1a8057bcf06aa3ec104a1b5215754d09fe2db91d94e33fe1f8a9e908f4a6", kill_on_drop: false }`
[INFO] [stdout] b7ec1a8057bcf06aa3ec104a1b5215754d09fe2db91d94e33fe1f8a9e908f4a6
