[INFO] fetching crate fasttext-serving 0.6.2...
[INFO] checking fasttext-serving-0.6.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate fasttext-serving 0.6.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fasttext-serving 0.6.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fasttext-serving 0.6.2
[INFO] finished tweaking crates.io crate fasttext-serving 0.6.2
[INFO] tweaked toml for crates.io crate fasttext-serving 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fasttext-serving 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f5e086ab349f2daed7c36f2793dfadc8b96e4038448d17d8ba3d1cf2c53c7d4
[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" "3f5e086ab349f2daed7c36f2793dfadc8b96e4038448d17d8ba3d1cf2c53c7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f5e086ab349f2daed7c36f2793dfadc8b96e4038448d17d8ba3d1cf2c53c7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5e086ab349f2daed7c36f2793dfadc8b96e4038448d17d8ba3d1cf2c53c7d4", kill_on_drop: false }`
[INFO] [stdout] 3f5e086ab349f2daed7c36f2793dfadc8b96e4038448d17d8ba3d1cf2c53c7d4
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9624b698dcc45443d18d4269fa462ce9fd893469a81a90cc66cb3de823c674c2
[INFO] running `Command { std: "docker" "start" "-a" "9624b698dcc45443d18d4269fa462ce9fd893469a81a90cc66cb3de823c674c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling standback v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking actix-service v2.0.0-beta.5
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cfasttext-sys v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stdout] error[E0432]: unresolved import `core::task::Wake`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/standback-0.2.16/src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::Wake;
[INFO] [stdout]     |             ^^^^^^^^^^^^----
[INFO] [stdout]     |             |           |
[INFO] [stdout]     |             |           help: a similar name exists in the module (notice the capitalization): `wake`
[INFO] [stdout]     |             no `Wake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `standback`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::task::Wake`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/standback-0.2.16/src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::Wake;
[INFO] [stdout]     |             ^^^^^^^^^^^^----
[INFO] [stdout]     |             |           |
[INFO] [stdout]     |             |           help: a similar name exists in the module (notice the capitalization): `wake`
[INFO] [stdout]     |             no `Wake` in `task`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9624b698dcc45443d18d4269fa462ce9fd893469a81a90cc66cb3de823c674c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9624b698dcc45443d18d4269fa462ce9fd893469a81a90cc66cb3de823c674c2", kill_on_drop: false }`
[INFO] [stdout] 9624b698dcc45443d18d4269fa462ce9fd893469a81a90cc66cb3de823c674c2