[INFO] cloning repository https://github.com/duanbing/xchain-rust-crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duanbing/xchain-rust-crypto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanbing%2Fxchain-rust-crypto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanbing%2Fxchain-rust-crypto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0fe47d2f10c9c7b886e38163dfe57be794f9021
[INFO] documenting duanbing/xchain-rust-crypto against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanbing%2Fxchain-rust-crypto" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duanbing/xchain-rust-crypto 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 git repo https://github.com/duanbing/xchain-rust-crypto
[INFO] finished tweaking git repo https://github.com/duanbing/xchain-rust-crypto
[INFO] tweaked toml for git repo https://github.com/duanbing/xchain-rust-crypto written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/duanbing/xchain-rust-crypto already has a lockfile, it will not be regenerated
[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 base58 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86f8002ea9b0b379baaf5a6d6acee9c2eea1c054f2f0f51c84d16853ed77de72
[INFO] running `Command { std: "docker" "start" "-a" "86f8002ea9b0b379baaf5a6d6acee9c2eea1c054f2f0f51c84d16853ed77de72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f8002ea9b0b379baaf5a6d6acee9c2eea1c054f2f0f51c84d16853ed77de72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f8002ea9b0b379baaf5a6d6acee9c2eea1c054f2f0f51c84d16853ed77de72", kill_on_drop: false }`
[INFO] [stdout] 86f8002ea9b0b379baaf5a6d6acee9c2eea1c054f2f0f51c84d16853ed77de72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4ef51b56dd9e4a1de3982ae781b17d928edbb2db4e6956a25c5545ee4fd0621e
[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" "4ef51b56dd9e4a1de3982ae781b17d928edbb2db4e6956a25c5545ee4fd0621e", kill_on_drop: false }`
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]  Documenting xchain-rust-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `int` should have an upper camel case name
[INFO] [stdout]   --> src/c.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) type int = i32;
[INFO] [stdout]    |                 ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `uint` should have an upper camel case name
[INFO] [stdout]   --> src/c.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) type uint = u32;
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Uint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `size_t` should have an upper camel case name
[INFO] [stdout]   --> src/c.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) type size_t = usize;
[INFO] [stdout]    |                 ^^^^^^ help: convert the identifier to upper camel case: `SizeT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/languages.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     static ref WORDLIST_S_CH: WordMap = { load_wordlist(include_str!("langs/simplified_chinese.txt")) };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/languages.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     static ref WORDLIST_EN: WordMap = { load_wordlist(include_str!("langs/english.txt")) };
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/rand.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { num_bigint::BigInt::from_i32(2048).unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/rand.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         { num_bigint::BigInt::from_i32(2047).unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/rand.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref BIGINT_ZERO: num_bigint::BigInt = { num_traits::Zero::zero() };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/rand.rs:15:53
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref BIGINT_ONE: num_bigint::BigInt = { num_traits::One::one() };
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/hdwallet/rand.rs:16:53
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub static ref BIGINT_TWO: num_bigint::BigInt = { num_bigint::BigInt::from_i32(2).unwrap() };
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ECDSA_P256_SHA256_ASN1_SIGNING` should have an upper camel case name
[INFO] [stdout]   --> src/ec/suite_b/ecdsa/signing.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ECDSA_P256_SHA256_ASN1_SIGNING,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EcdsaP256Sha256Asn1Signing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ECDSA_P256_SHA256_ASN1` should have an upper camel case name
[INFO] [stdout]   --> src/ec/suite_b/ecdsa/verification.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ECDSA_P256_SHA256_ASN1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EcdsaP256Sha256Asn1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.21s
[INFO] running `Command { std: "docker" "inspect" "4ef51b56dd9e4a1de3982ae781b17d928edbb2db4e6956a25c5545ee4fd0621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef51b56dd9e4a1de3982ae781b17d928edbb2db4e6956a25c5545ee4fd0621e", kill_on_drop: false }`
[INFO] [stdout] 4ef51b56dd9e4a1de3982ae781b17d928edbb2db4e6956a25c5545ee4fd0621e