[INFO] fetching crate zkp-u256 0.1.1...
[INFO] documenting zkp-u256-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate zkp-u256 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zkp-u256 0.1.1 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 zkp-u256 0.1.1
[INFO] finished tweaking crates.io crate zkp-u256 0.1.1
[INFO] tweaked toml for crates.io crate zkp-u256 0.1.1 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d0ae31489308b91b28c45d2d344ac1045ea17901c97f0906e057cc8574120ba
[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" "0d0ae31489308b91b28c45d2d344ac1045ea17901c97f0906e057cc8574120ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d0ae31489308b91b28c45d2d344ac1045ea17901c97f0906e057cc8574120ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0ae31489308b91b28c45d2d344ac1045ea17901c97f0906e057cc8574120ba", kill_on_drop: false }`
[INFO] [stdout] 0d0ae31489308b91b28c45d2d344ac1045ea17901c97f0906e057cc8574120ba
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443d7c706e6ae2260d91e3227a5081df3d810c45e12f93ac397fc467f1025ab4
[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" "443d7c706e6ae2260d91e3227a5081df3d810c45e12f93ac397fc467f1025ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking no-std-compat v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling zkp-macros-lib v0.1.0
[INFO] [stderr]    Compiling zkp-macros-impl v0.1.0
[INFO] [stderr]     Checking zkp-macros-decl v0.1.0
[INFO] [stderr]  Documenting zkp-u256 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `i` should have an upper case name
[INFO] [stdout]   --> src/gcd.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for i in 1..20 {
[INFO] [stdout]    |             ^ help: convert the identifier to upper case (notice the capitalization): `I`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `i` should have an upper case name
[INFO] [stdout]   --> src/gcd.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for i in 1..20 {
[INFO] [stdout]    |             ^ help: convert the identifier to upper case (notice the capitalization): `I`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `i` should have an upper case name
[INFO] [stdout]    --> src/gcd.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for i in 1..17 {
[INFO] [stdout]     |             ^ help: convert the identifier to upper case (notice the capitalization): `I`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `Command { std: "docker" "inspect" "443d7c706e6ae2260d91e3227a5081df3d810c45e12f93ac397fc467f1025ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443d7c706e6ae2260d91e3227a5081df3d810c45e12f93ac397fc467f1025ab4", kill_on_drop: false }`
[INFO] [stdout] 443d7c706e6ae2260d91e3227a5081df3d810c45e12f93ac397fc467f1025ab4