[INFO] fetching crate ethkey 0.3.1...
[INFO] documenting ethkey-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ethkey 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ethkey 0.3.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethkey 0.3.1
[INFO] finished tweaking crates.io crate ethkey 0.3.1
[INFO] tweaked toml for crates.io crate ethkey 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded parity-crypto v0.3.1
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded ethsign v0.7.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded scrypt v0.1.2
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded pbkdf2 v0.2.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f47c27e92023d47d7b476c9b71133f258560b2e7033c02bb0ee69c6d08cf55
[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" "82f47c27e92023d47d7b476c9b71133f258560b2e7033c02bb0ee69c6d08cf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f47c27e92023d47d7b476c9b71133f258560b2e7033c02bb0ee69c6d08cf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f47c27e92023d47d7b476c9b71133f258560b2e7033c02bb0ee69c6d08cf55", kill_on_drop: false }`
[INFO] [stdout] 82f47c27e92023d47d7b476c9b71133f258560b2e7033c02bb0ee69c6d08cf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec4d738bcbc81ab4a19bf992499d3a6f78a7a2380955c2fd9f9a64aba182c10
[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" "8ec4d738bcbc81ab4a19bf992499d3a6f78a7a2380955c2fd9f9a64aba182c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking scrypt v0.1.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking parity-crypto v0.3.1
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking parity-crypto v0.4.2
[INFO] [stderr]     Checking ethsign v0.7.3
[INFO] [stderr]  Documenting ethkey v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "8ec4d738bcbc81ab4a19bf992499d3a6f78a7a2380955c2fd9f9a64aba182c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec4d738bcbc81ab4a19bf992499d3a6f78a7a2380955c2fd9f9a64aba182c10", kill_on_drop: false }`
[INFO] [stdout] 8ec4d738bcbc81ab4a19bf992499d3a6f78a7a2380955c2fd9f9a64aba182c10