[INFO] cloning repository https://github.com/christianpoveda/librarian
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christianpoveda/librarian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristianpoveda%2Flibrarian"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristianpoveda%2Flibrarian'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe1ff0ef00de27edbd8f755e77fa5e3d502681cd
[INFO] checking christianpoveda/librarian against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristianpoveda%2Flibrarian" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christianpoveda/librarian on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/christianpoveda/librarian
[INFO] finished tweaking git repo https://github.com/christianpoveda/librarian
[INFO] tweaked toml for git repo https://github.com/christianpoveda/librarian written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/christianpoveda/librarian already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 802cbad4e1142f119050165ae12aacfebfd5bb50f3828aba414fbb8377bf4371
[INFO] running `"docker" "start" "-a" "802cbad4e1142f119050165ae12aacfebfd5bb50f3828aba414fbb8377bf4371"`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking scrawl v1.1.0
[INFO] [stderr]     Checking open v1.3.3
[INFO] [stderr]    Compiling blake3 v0.1.4
[INFO] [stderr]     Checking fuzzy-matcher v0.3.3
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr] error[E0658]: use of unstable library feature 'stdsimd'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blake3-0.1.4/src/platform.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         if is_x86_feature_detected!("avx512f") && is_x86_feature_detected!("avx512vl") {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27731 <https://github.com/rust-lang/rust/issues/27731> for more information
[INFO] [stderr]     = help: add `#![feature(stdsimd)]` to the crate attributes to enable
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `blake3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "802cbad4e1142f119050165ae12aacfebfd5bb50f3828aba414fbb8377bf4371"`
[INFO] running `"docker" "rm" "-f" "802cbad4e1142f119050165ae12aacfebfd5bb50f3828aba414fbb8377bf4371"`
[INFO] [stdout] 802cbad4e1142f119050165ae12aacfebfd5bb50f3828aba414fbb8377bf4371