[INFO] fetching crate py-bip39-bindings 0.1.6...
[INFO] documenting py-bip39-bindings-0.1.6 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate py-bip39-bindings 0.1.6 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate py-bip39-bindings 0.1.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-118/source/.cargo/config
[INFO] started tweaking crates.io crate py-bip39-bindings 0.1.6
[INFO] finished tweaking crates.io crate py-bip39-bindings 0.1.6
[INFO] tweaked toml for crates.io crate py-bip39-bindings 0.1.6 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded hashbrown v0.1.8
[INFO] [stderr]   Downloaded tiny-bip39 v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3eea94f0f6567c422ba3d6771bbac3a8f6bf5bd984d66a5469ce50fa4612096
[INFO] running `Command { std: "docker" "start" "-a" "c3eea94f0f6567c422ba3d6771bbac3a8f6bf5bd984d66a5469ce50fa4612096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3eea94f0f6567c422ba3d6771bbac3a8f6bf5bd984d66a5469ce50fa4612096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eea94f0f6567c422ba3d6771bbac3a8f6bf5bd984d66a5469ce50fa4612096", kill_on_drop: false }`
[INFO] [stdout] c3eea94f0f6567c422ba3d6771bbac3a8f6bf5bd984d66a5469ce50fa4612096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c08e56bb48a16d245159c68db178c6ecc20e0096b6b0e0b2321294dcc40792
[INFO] running `Command { std: "docker" "start" "-a" "05c08e56bb48a16d245159c68db178c6ecc20e0096b6b0e0b2321294dcc40792", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", 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 pbkdf2 v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "05c08e56bb48a16d245159c68db178c6ecc20e0096b6b0e0b2321294dcc40792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c08e56bb48a16d245159c68db178c6ecc20e0096b6b0e0b2321294dcc40792", kill_on_drop: false }`
[INFO] [stdout] 05c08e56bb48a16d245159c68db178c6ecc20e0096b6b0e0b2321294dcc40792
