[INFO] fetching crate lark-test-generate 0.1.0...
[INFO] checking lark-test-generate-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate lark-test-generate 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lark-test-generate 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lark-test-generate 0.1.0
[INFO] finished tweaking crates.io crate lark-test-generate 0.1.0
[INFO] tweaked toml for crates.io crate lark-test-generate 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lark-query-system v0.1.0
[INFO] [stderr]   Downloaded lark-build v0.1.0
[INFO] [stderr]   Downloaded lark-test v0.1.0
[INFO] [stderr]   Downloaded lark-type-check v0.1.0
[INFO] [stderr]   Downloaded flexi_logger v0.10.7
[INFO] [stderr]   Downloaded lark-language-server v0.1.0
[INFO] [stderr]   Downloaded lark-eval v0.1.0
[INFO] [stderr]   Downloaded lark-cli v0.1.0
[INFO] [stderr]   Downloaded lark-actor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043010b6d3899940e788a8dddc3ebd9b22601a1900c96405fd615f6ca8130044
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "043010b6d3899940e788a8dddc3ebd9b22601a1900c96405fd615f6ca8130044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043010b6d3899940e788a8dddc3ebd9b22601a1900c96405fd615f6ca8130044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043010b6d3899940e788a8dddc3ebd9b22601a1900c96405fd615f6ca8130044", kill_on_drop: false }`
[INFO] [stdout] 043010b6d3899940e788a8dddc3ebd9b22601a1900c96405fd615f6ca8130044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e1d62f1bcd24e9695eb9bc0719e6c46a3e10588955e4a505743c2edca72f9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91e1d62f1bcd24e9695eb9bc0719e6c46a3e10588955e4a505743c2edca72f9e", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking cc v1.0.62
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking lark-debug-with v0.1.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking lark-collections v0.1.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]     Checking lark-unify v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking lark-intern v0.1.0
[INFO] [stderr]     Checking lark-string v0.1.0
[INFO] [stderr]     Checking salsa v0.9.2
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking language-reporting v0.3.1
[INFO] [stderr]     Checking flexi_logger v0.10.7
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling lark-debug-derive v0.1.0
[INFO] [stderr]     Checking languageserver-types v0.53.1
[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-eval v0.1.0
[INFO] [stderr]     Checking lark-build v0.1.0
[INFO] [stderr]     Checking lark-cli v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lark-cli-0.1.0/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(existential_type)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(type_alias_impl_trait)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lark-cli`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "91e1d62f1bcd24e9695eb9bc0719e6c46a3e10588955e4a505743c2edca72f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e1d62f1bcd24e9695eb9bc0719e6c46a3e10588955e4a505743c2edca72f9e", kill_on_drop: false }`
[INFO] [stdout] 91e1d62f1bcd24e9695eb9bc0719e6c46a3e10588955e4a505743c2edca72f9e