[INFO] fetching crate ltv 0.2.21...
[INFO] documenting ltv-0.2.21 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ltv 0.2.21 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ltv 0.2.21 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ltv 0.2.21
[INFO] finished tweaking crates.io crate ltv 0.2.21
[INFO] tweaked toml for crates.io crate ltv 0.2.21 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ltv 0.2.21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e7b76c26552a47bd8b2e766c408e6079ce420caac4d1f3eea0fbe72267f5bc
[INFO] running `Command { std: "docker" "start" "-a" "50e7b76c26552a47bd8b2e766c408e6079ce420caac4d1f3eea0fbe72267f5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e7b76c26552a47bd8b2e766c408e6079ce420caac4d1f3eea0fbe72267f5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e7b76c26552a47bd8b2e766c408e6079ce420caac4d1f3eea0fbe72267f5bc", kill_on_drop: false }`
[INFO] [stdout] 50e7b76c26552a47bd8b2e766c408e6079ce420caac4d1f3eea0fbe72267f5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a519ca620f08f87f2600738a989b047fba717b6574e199e1d0146e3116170547
[INFO] running `Command { std: "docker" "start" "-a" "a519ca620f08f87f2600738a989b047fba717b6574e199e1d0146e3116170547", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ltv_derive_impl v0.2.11
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ltv_derive_impl-0.2.11/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ltv_derive_impl` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a519ca620f08f87f2600738a989b047fba717b6574e199e1d0146e3116170547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a519ca620f08f87f2600738a989b047fba717b6574e199e1d0146e3116170547", kill_on_drop: false }`
[INFO] [stdout] a519ca620f08f87f2600738a989b047fba717b6574e199e1d0146e3116170547