[INFO] crate panini_macros 0.0.0 is already in cache
[INFO] testing panini_macros-0.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate panini_macros 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate panini_macros 0.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate panini_macros 0.0.0
[INFO] finished tweaking crates.io crate panini_macros 0.0.0
[INFO] tweaked toml for crates.io crate panini_macros 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] a75b6db29afdc2ee61c7eb5d88531f7143984698bf7b4047a30888918d5960c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a75b6db29afdc2ee61c7eb5d88531f7143984698bf7b4047a30888918d5960c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling regex-syntax v0.2.6
[INFO] [stderr]    Compiling memmem v0.1.1
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling aster v0.16.0
[INFO] [stderr]    Compiling ref_slice v1.2.0
[INFO] [stderr]    Compiling quasi v0.10.0
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[INFO] [stderr]    Compiling range-map v0.1.5
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling refinery-migrations v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling optional v0.5.0
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.10.0/src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `quasi`.
[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[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.16.0/src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a75b6db29afdc2ee61c7eb5d88531f7143984698bf7b4047a30888918d5960c5"`
[INFO] running `"docker" "rm" "-f" "a75b6db29afdc2ee61c7eb5d88531f7143984698bf7b4047a30888918d5960c5"`
[INFO] [stdout] a75b6db29afdc2ee61c7eb5d88531f7143984698bf7b4047a30888918d5960c5