[INFO] fetching crate lark-test-generate 0.1.0...
[INFO] checking lark-test-generate-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate lark-test-generate 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lark-test-generate 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lark-build v0.1.0
[INFO] [stderr]   Downloaded lark-eval v0.1.0
[INFO] [stderr]   Downloaded lark-query-system v0.1.0
[INFO] [stderr]   Downloaded flexi_logger v0.10.7
[INFO] [stderr]   Downloaded lark-cli v0.1.0
[INFO] [stderr]   Downloaded lark-language-server v0.1.0
[INFO] [stderr]   Downloaded lark-actor v0.1.0
[INFO] [stderr]   Downloaded lark-test v0.1.0
[INFO] [stderr]   Downloaded lark-type-check v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ef3efd8133281e8fece090a9465de110bfd1cfb7dcbc633e37ac0fa2af8b53
[INFO] running `Command { std: "docker" "start" "-a" "f7ef3efd8133281e8fece090a9465de110bfd1cfb7dcbc633e37ac0fa2af8b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ef3efd8133281e8fece090a9465de110bfd1cfb7dcbc633e37ac0fa2af8b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ef3efd8133281e8fece090a9465de110bfd1cfb7dcbc633e37ac0fa2af8b53", kill_on_drop: false }`
[INFO] [stdout] f7ef3efd8133281e8fece090a9465de110bfd1cfb7dcbc633e37ac0fa2af8b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70bf091d09da71d4b90428925693f34c0a7536d1b8f3940cb7726c71456e61ba
[INFO] running `Command { std: "docker" "start" "-a" "70bf091d09da71d4b90428925693f34c0a7536d1b8f3940cb7726c71456e61ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking cc v1.0.69
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]    Compiling lark-debug-derive v0.1.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking lark-debug-with v0.1.0
[INFO] [stderr]     Checking lark-collections v0.1.0
[INFO] [stderr]     Checking lark-unify v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lark-unify-0.1.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[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-unify` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "70bf091d09da71d4b90428925693f34c0a7536d1b8f3940cb7726c71456e61ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bf091d09da71d4b90428925693f34c0a7536d1b8f3940cb7726c71456e61ba", kill_on_drop: false }`
[INFO] [stdout] 70bf091d09da71d4b90428925693f34c0a7536d1b8f3940cb7726c71456e61ba