[INFO] fetching crate rlpx 0.4.1...
[INFO] documenting rlpx-0.4.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rlpx 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rlpx 0.4.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlpx 0.4.1
[INFO] finished tweaking crates.io crate rlpx 0.4.1
[INFO] tweaked toml for crates.io crate rlpx 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f48c06c6bafd577f2b49e5ad7ac5933211daee4bb2f93d827b504c06524d80b
[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" "1f48c06c6bafd577f2b49e5ad7ac5933211daee4bb2f93d827b504c06524d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f48c06c6bafd577f2b49e5ad7ac5933211daee4bb2f93d827b504c06524d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f48c06c6bafd577f2b49e5ad7ac5933211daee4bb2f93d827b504c06524d80b", kill_on_drop: false }`
[INFO] [stdout] 1f48c06c6bafd577f2b49e5ad7ac5933211daee4bb2f93d827b504c06524d80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b903b5c07e8576846616bb2c402058be2d886685988851a3a522e956dbd9fe36
[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" "b903b5c07e8576846616bb2c402058be2d886685988851a3a522e956dbd9fe36", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking elastic-array-plus v0.9.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.1.15
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]  Documenting rlpx v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SHA256BlockSize` should have an upper case name
[INFO] [stdout]   --> src/ecies/algorithm.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |     const SHA256BlockSize: usize = 64;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SHA256_BLOCK_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `reps` should have an upper case name
[INFO] [stdout]   --> src/ecies/algorithm.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     const reps: usize = (32 + 7) * 8 / (SHA256BlockSize * 8);
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `REPS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "b903b5c07e8576846616bb2c402058be2d886685988851a3a522e956dbd9fe36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b903b5c07e8576846616bb2c402058be2d886685988851a3a522e956dbd9fe36", kill_on_drop: false }`
[INFO] [stdout] b903b5c07e8576846616bb2c402058be2d886685988851a3a522e956dbd9fe36