[INFO] updating cached repository https://github.com/mercode-org/fireframe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 22723a333da687b3762289e73cfc81be74fc6207
[INFO] testing mercode-org/fireframe against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmercode-org%2Ffireframe" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mercode-org/fireframe 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 git repo https://github.com/mercode-org/fireframe
[INFO] finished tweaking git repo https://github.com/mercode-org/fireframe
[INFO] tweaked toml for git repo https://github.com/mercode-org/fireframe written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mercode-org/fireframe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54057e56a69d703470b71ddd1063928e8f44f71aac03cc22a701458f14f4f935
[INFO] running `"docker" "start" "-a" "54057e56a69d703470b71ddd1063928e8f44f71aac03cc22a701458f14f4f935"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling smallbitvec v2.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling boxfnonce v0.1.0
[INFO] [stderr]    Compiling servo-media-traits v0.1.0 (https://github.com/servo/media#62cd58a9)
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.6
[INFO] [stderr]    Compiling encoding_c_mem v0.2.5
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling thread_profiler v0.1.3
[INFO] [stderr]    Compiling sw-composite v0.7.7
[INFO] [stderr]    Compiling svg_fmt v0.4.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling ucd v0.1.1
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.0
[INFO] [stderr]    Compiling half v1.0.0
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling net v0.0.1 (https://github.com/servo/servo?rev=5504d9259d59bb80e019ed1563b213dcf56fc86a#5504d925)
[INFO] [stderr]    Compiling swapper v0.1.0
[INFO] [stderr]    Compiling mitochondria v1.1.2
[INFO] [stderr]    Compiling ref_filter_map v1.0.1
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo?rev=5504d9259d59bb80e019ed1563b213dcf56fc86a#5504d925)
[INFO] [stderr]    Compiling ref_slice v1.1.1
[INFO] [stderr]    Compiling libservo v0.0.1 (https://github.com/servo/servo?rev=5504d9259d59bb80e019ed1563b213dcf56fc86a#5504d925)
[INFO] [stderr] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/5504d92/components/script_plugins/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | extern crate rustc_ast;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr]    Compiling histogram v0.6.8
[INFO] [stderr]    Compiling json v0.12.4
[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 `script_plugins`.
[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" "54057e56a69d703470b71ddd1063928e8f44f71aac03cc22a701458f14f4f935"`
[INFO] running `"docker" "rm" "-f" "54057e56a69d703470b71ddd1063928e8f44f71aac03cc22a701458f14f4f935"`
[INFO] [stdout] 54057e56a69d703470b71ddd1063928e8f44f71aac03cc22a701458f14f4f935