[INFO] crate fasttext-serving 0.6.0-alpha.4 is already in cache
[INFO] checking fasttext-serving-0.6.0-alpha.4 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate fasttext-serving 0.6.0-alpha.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fasttext-serving 0.6.0-alpha.4 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fasttext-serving 0.6.0-alpha.4
[INFO] finished tweaking crates.io crate fasttext-serving 0.6.0-alpha.4
[INFO] tweaked toml for crates.io crate fasttext-serving 0.6.0-alpha.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate fasttext-serving 0.6.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 378da4a9ff044f4a0e562f0fe11f931249c0d137b5013264b73275e023a2b770
[INFO] running `"docker" "start" "-a" "378da4a9ff044f4a0e562f0fe11f931249c0d137b5013264b73275e023a2b770"`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.8
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cfasttext-sys v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking fasttext v0.4.1
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking async-stream v0.2.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tracing v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr] error[E0425]: cannot find value `pinned_self` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-limit-0.3.0/src/concurrency/future.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[pin_project(PinnedDrop)]
[INFO] [stderr]    |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0424]: expected value, found module `self`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-limit-0.3.0/src/concurrency/future.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[pinned_drop]
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stderr]    | this function doesn't have a `self` parameter
[INFO] [stderr] 
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0424, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0424`.
[INFO] [stderr] error: could not compile `tower-limit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "378da4a9ff044f4a0e562f0fe11f931249c0d137b5013264b73275e023a2b770"`
[INFO] running `"docker" "rm" "-f" "378da4a9ff044f4a0e562f0fe11f931249c0d137b5013264b73275e023a2b770"`
[INFO] [stdout] 378da4a9ff044f4a0e562f0fe11f931249c0d137b5013264b73275e023a2b770