[INFO] updating cached repository https://github.com/lark-exploration/lark
[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] 87d1e42107ced29f5ef23b70ef66e3b6fa2e74de
[INFO] checking lark-exploration/lark against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-exploration%2Flark" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lark-exploration/lark on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lark-exploration/lark
[INFO] removed workspace from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-cli from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-debug-derive from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-debug-with from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-entity from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-hir from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-intern from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-language-server from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-parser from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-query-system from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-span from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-string from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-test from git repo https://github.com/lark-exploration/lark
[INFO] removed path dependency lark-test-generate from git repo https://github.com/lark-exploration/lark
[INFO] finished tweaking git repo https://github.com/lark-exploration/lark
[INFO] tweaked toml for git repo https://github.com/lark-exploration/lark written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lark-exploration/lark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f00af4f302f059e9f3a04824701a2c41bb062d791b0babec846cbafd87386b95
[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" "f00af4f302f059e9f3a04824701a2c41bb062d791b0babec846cbafd87386b95"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling datafrog v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking cc v1.0.48
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling generational-arena v0.2.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling render-tree v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lark-debug-with v0.1.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]     Checking lark-collections v0.1.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling lark-unify v0.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking flexi_logger v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling lark-intern v0.1.0
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling lark-string v0.1.0
[INFO] [stderr]    Compiling lark-debug-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking salsa v0.9.2
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking language-reporting v0.3.1
[INFO] [stderr]     Checking languageserver-types v0.53.1
[INFO] [stderr]     Checking languageserver-types v0.54.0
[INFO] [stderr]     Checking lark-span v0.1.0
[INFO] [stderr]     Checking lark-actor v0.1.0
[INFO] [stderr]     Checking lark-language-server v0.1.0
[INFO] [stderr]     Checking lark-error v0.1.0
[INFO] [stderr]     Checking lark-entity v0.1.0
[INFO] [stderr]     Checking lark-ty v0.1.0
[INFO] [stderr]     Checking lark-hir v0.1.0
[INFO] [stderr]     Checking lark-parser v0.1.0
[INFO] [stderr]     Checking lark-pretty-print v0.1.0
[INFO] [stderr]     Checking lark-type-check v0.1.0
[INFO] [stderr]     Checking lark-query-system v0.1.0
[INFO] [stderr]     Checking lark-build v0.1.0
[INFO] [stderr]     Checking lark-eval v0.1.0
[INFO] [stderr]     Checking lark-cli v0.1.0
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lark-cli-0.1.0/src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(existential_type)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![feature(type_alias_impl_trait)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `lark-cli`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lark-query-system`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name lark_query_system /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lark-query-system-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=1 -C debuginfo=2 -C debug-assertions=on -C metadata=a7989e4c6280da91 -C extra-filename=-a7989e4c6280da91 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern language_reporting=/opt/rustwide/target/debug/deps/liblanguage_reporting-169037926b32e211.rmeta --extern languageserver_types=/opt/rustwide/target/debug/deps/liblanguageserver_types-4f8ec740fd0e1f49.rmeta --extern lark_actor=/opt/rustwide/target/debug/deps/liblark_actor-25fad81302e985d2.rmeta --extern lark_entity=/opt/rustwide/target/debug/deps/liblark_entity-59624a239bed435a.rmeta --extern lark_error=/opt/rustwide/target/debug/deps/liblark_error-c54b4706e426fa02.rmeta --extern lark_hir=/opt/rustwide/target/debug/deps/liblark_hir-0ff82fa31056caf2.rmeta --extern lark_intern=/opt/rustwide/target/debug/deps/liblark_intern-6ecff55fa14b6d1a.rmeta --extern lark_parser=/opt/rustwide/target/debug/deps/liblark_parser-2ec71c7d2f3c7c7f.rmeta --extern lark_pretty_print=/opt/rustwide/target/debug/deps/liblark_pretty_print-35fe8bb2bb3aff38.rmeta --extern lark_span=/opt/rustwide/target/debug/deps/liblark_span-257b0c8bfe6c1c0e.rmeta --extern lark_string=/opt/rustwide/target/debug/deps/liblark_string-4ba02cf354ec7690.rmeta --extern lark_ty=/opt/rustwide/target/debug/deps/liblark_ty-ec4bf055915cb587.rmeta --extern lark_type_check=/opt/rustwide/target/debug/deps/liblark_type_check-3d857ea462d95b10.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-dd8f92aadf8c361b.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-10bb62de2734ad10.rmeta --extern salsa=/opt/rustwide/target/debug/deps/libsalsa-485f76748ddb492e.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-77483ddda51d0824.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f00af4f302f059e9f3a04824701a2c41bb062d791b0babec846cbafd87386b95"`
[INFO] running `"docker" "rm" "-f" "f00af4f302f059e9f3a04824701a2c41bb062d791b0babec846cbafd87386b95"`
[INFO] [stdout] f00af4f302f059e9f3a04824701a2c41bb062d791b0babec846cbafd87386b95