[INFO] fetching crate bsalib 0.1.0...
[INFO] testing bsalib-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bsalib 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bsalib 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bsalib 0.1.0
[INFO] finished tweaking crates.io crate bsalib 0.1.0
[INFO] tweaked toml for crates.io crate bsalib 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.4
[INFO] [stderr]   Downloaded enumflags2 v0.7.5
[INFO] [stderr]   Downloaded generics v0.3.2
[INFO] [stderr]   Downloaded newtype-derive-2018 v0.0.3
[INFO] [stderr]   Downloaded macro-attr-2018 v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71de26df8965e6fe3b4475bf6136bf26ba07056941ffe434cfca750f31bd0f73
[INFO] running `Command { std: "docker" "start" "-a" "71de26df8965e6fe3b4475bf6136bf26ba07056941ffe434cfca750f31bd0f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71de26df8965e6fe3b4475bf6136bf26ba07056941ffe434cfca750f31bd0f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71de26df8965e6fe3b4475bf6136bf26ba07056941ffe434cfca750f31bd0f73", kill_on_drop: false }`
[INFO] [stdout] 71de26df8965e6fe3b4475bf6136bf26ba07056941ffe434cfca750f31bd0f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eed009b75e8d5d2d76fe6eae3ca3715332aac24f820339d65f097ec8476bff6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6eed009b75e8d5d2d76fe6eae3ca3715332aac24f820339d65f097ec8476bff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling generics v0.3.2
[INFO] [stderr]    Compiling macro-attr-2018 v1.1.1
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling enumflags2_derive v0.7.4
[INFO] [stderr]    Compiling newtype-derive-2018 v0.0.3
[INFO] [stderr]    Compiling libflate v1.2.0
[INFO] [stderr]    Compiling enumflags2 v0.7.5
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling lz4 v1.23.3
[INFO] [stderr]    Compiling bsalib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_defaults, wrapping_int_impl, specialization, arbitrary_enum_discriminant)]
[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 `bsalib` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6eed009b75e8d5d2d76fe6eae3ca3715332aac24f820339d65f097ec8476bff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eed009b75e8d5d2d76fe6eae3ca3715332aac24f820339d65f097ec8476bff6", kill_on_drop: false }`
[INFO] [stdout] 6eed009b75e8d5d2d76fe6eae3ca3715332aac24f820339d65f097ec8476bff6