[INFO] crate unicode_names2 0.3.0 is already in cache
[INFO] checking unicode_names2-0.3.0 against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] extracting crate unicode_names2 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate unicode_names2 0.3.0 on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unicode_names2 0.3.0
[INFO] finished tweaking crates.io crate unicode_names2 0.3.0
[INFO] tweaked toml for crates.io crate unicode_names2 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate unicode_names2 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=allow" "-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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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] cf16b3c9557e833408223e2a54c028a12b3b78a7eed94f11188d172480bae644
[INFO] running `"docker" "start" "-a" "cf16b3c9557e833408223e2a54c028a12b3b78a7eed94f11188d172480bae644"`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling unicode_names2 v0.2.2
[INFO] [stderr]     Checking unicode_names2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling unicode_names2_macros v0.2.0
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode_names2_macros-0.2.0/src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(quote, plugin_registrar, plugin, rustc_private)]
[INFO] [stderr]   |            ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode_names2_macros-0.2.0/src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | extern crate syntax;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `unicode_names2_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cf16b3c9557e833408223e2a54c028a12b3b78a7eed94f11188d172480bae644"`
[INFO] running `"docker" "rm" "-f" "cf16b3c9557e833408223e2a54c028a12b3b78a7eed94f11188d172480bae644"`
[INFO] [stdout] cf16b3c9557e833408223e2a54c028a12b3b78a7eed94f11188d172480bae644