[INFO] updating cached repository https://github.com/Dessix/lg600r
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c2470efabfab850cef023940d3ca2e2992f850e
[INFO] checking Dessix/lg600r against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FDessix%2Flg600r" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dessix/lg600r on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dessix/lg600r
[INFO] finished tweaking git repo https://github.com/Dessix/lg600r
[INFO] tweaked toml for git repo https://github.com/Dessix/lg600r written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Dessix/lg600r already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef481f6c470be633ede1ff1e1c6c20a652a9a8b92271775f3164b03c9518668e
[INFO] running `"docker" "start" "-a" "ef481f6c470be633ede1ff1e1c6c20a652a9a8b92271775f3164b03c9518668e"`
[INFO] [stderr]    Compiling bindgen v0.49.3
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling lg600r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0635]: unknown feature `const_vec_new`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(const_vec_new)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `lg600r`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0635]: unknown feature `const_vec_new`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(const_vec_new)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `lg600r`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ef481f6c470be633ede1ff1e1c6c20a652a9a8b92271775f3164b03c9518668e"`
[INFO] running `"docker" "rm" "-f" "ef481f6c470be633ede1ff1e1c6c20a652a9a8b92271775f3164b03c9518668e"`
[INFO] [stdout] ef481f6c470be633ede1ff1e1c6c20a652a9a8b92271775f3164b03c9518668e