[INFO] fetching crate hedera 0.4.1...
[INFO] documenting hedera-0.4.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate hedera 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hedera 0.4.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking crates.io crate hedera 0.4.1
[INFO] finished tweaking crates.io crate hedera 0.4.1
[INFO] tweaked toml for crates.io crate hedera 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58aeab75e33bebb578032d69abbc3be9b2d21fb435c00d5e780d7a392d6e436b
[INFO] running `Command { std: "docker" "start" "-a" "58aeab75e33bebb578032d69abbc3be9b2d21fb435c00d5e780d7a392d6e436b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58aeab75e33bebb578032d69abbc3be9b2d21fb435c00d5e780d7a392d6e436b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58aeab75e33bebb578032d69abbc3be9b2d21fb435c00d5e780d7a392d6e436b", kill_on_drop: false }`
[INFO] [stdout] 58aeab75e33bebb578032d69abbc3be9b2d21fb435c00d5e780d7a392d6e436b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29113ebf285c90dae045bf94d8403b3de82aafcf5e7e7c110525780c3cfd57a3
[INFO] running `Command { std: "docker" "start" "-a" "29113ebf285c90dae045bf94d8403b3de82aafcf5e7e7c110525780c3cfd57a3", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling protoc v2.8.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking tls-api-stub v0.1.22
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-async-await v0.1.7
[INFO] [stderr]     Checking tokio-tls-api v0.1.22
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::await`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use std::await as std_await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no `await` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-async-await`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "29113ebf285c90dae045bf94d8403b3de82aafcf5e7e7c110525780c3cfd57a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29113ebf285c90dae045bf94d8403b3de82aafcf5e7e7c110525780c3cfd57a3", kill_on_drop: false }`
[INFO] [stdout] 29113ebf285c90dae045bf94d8403b3de82aafcf5e7e7c110525780c3cfd57a3
