[INFO] fetching crate surge-lag 0.2.4-alpha.0...
[INFO] testing surge-lag-0.2.4-alpha.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate surge-lag 0.2.4-alpha.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate surge-lag 0.2.4-alpha.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate surge-lag 0.2.4-alpha.0
[INFO] finished tweaking crates.io crate surge-lag 0.2.4-alpha.0
[INFO] tweaked toml for crates.io crate surge-lag 0.2.4-alpha.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aabac74a6a4aac48c4591194f2aacd05542180f412fb335ed98275843aa55ab2
[INFO] running `Command { std: "docker" "start" "-a" "aabac74a6a4aac48c4591194f2aacd05542180f412fb335ed98275843aa55ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aabac74a6a4aac48c4591194f2aacd05542180f412fb335ed98275843aa55ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabac74a6a4aac48c4591194f2aacd05542180f412fb335ed98275843aa55ab2", kill_on_drop: false }`
[INFO] [stdout] aabac74a6a4aac48c4591194f2aacd05542180f412fb335ed98275843aa55ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 636673e73994441dacf4c3a65c99c97868578cbfb3bb38e1b4ee384dba544051
[INFO] running `Command { std: "docker" "start" "-a" "636673e73994441dacf4c3a65c99c97868578cbfb3bb38e1b4ee384dba544051", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling packed_simd_2 v0.3.7
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     adt_const_params,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |     custom_inner_attributes,
[INFO] [stdout] 227 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `aarch64_target_feature` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 219 |     stdsimd,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     core_intrinsics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stdout] error: aborting due to 3 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 `packed_simd_2` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "636673e73994441dacf4c3a65c99c97868578cbfb3bb38e1b4ee384dba544051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636673e73994441dacf4c3a65c99c97868578cbfb3bb38e1b4ee384dba544051", kill_on_drop: false }`
[INFO] [stdout] 636673e73994441dacf4c3a65c99c97868578cbfb3bb38e1b4ee384dba544051