[INFO] fetching crate mzandvliets_hello_world_crate 0.1.2...
[INFO] documenting mzandvliets_hello_world_crate-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mzandvliets_hello_world_crate 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mzandvliets_hello_world_crate 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mzandvliets_hello_world_crate 0.1.2
[INFO] finished tweaking crates.io crate mzandvliets_hello_world_crate 0.1.2
[INFO] tweaked toml for crates.io crate mzandvliets_hello_world_crate 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 686255191a0489cd3ed55fca4be3af30bc990365e7dd6cded37b2e48499898bb
[INFO] running `Command { std: "docker" "start" "-a" "686255191a0489cd3ed55fca4be3af30bc990365e7dd6cded37b2e48499898bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686255191a0489cd3ed55fca4be3af30bc990365e7dd6cded37b2e48499898bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686255191a0489cd3ed55fca4be3af30bc990365e7dd6cded37b2e48499898bb", kill_on_drop: false }`
[INFO] [stdout] 686255191a0489cd3ed55fca4be3af30bc990365e7dd6cded37b2e48499898bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1ff66a29e0c2449a8709bd874f083c86f8caa4b18abd635095ec09dc2ef5a9
[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" "3b1ff66a29e0c2449a8709bd874f083c86f8caa4b18abd635095ec09dc2ef5a9", kill_on_drop: false }`
[INFO] [stderr]     Checking mzandvliets_hello_world_crate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mzandvliets_hello_world_crate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:52:34
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "3b1ff66a29e0c2449a8709bd874f083c86f8caa4b18abd635095ec09dc2ef5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1ff66a29e0c2449a8709bd874f083c86f8caa4b18abd635095ec09dc2ef5a9", kill_on_drop: false }`
[INFO] [stdout] 3b1ff66a29e0c2449a8709bd874f083c86f8caa4b18abd635095ec09dc2ef5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] c276641da3f86b29d7d560d7e517b09aa56f05c2e9e24579fd211c67bfa2c87c
[INFO] running `Command { std: "docker" "start" "-a" "c276641da3f86b29d7d560d7e517b09aa56f05c2e9e24579fd211c67bfa2c87c", kill_on_drop: false }`
[INFO] [stderr]  Documenting mzandvliets_hello_world_crate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "c276641da3f86b29d7d560d7e517b09aa56f05c2e9e24579fd211c67bfa2c87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c276641da3f86b29d7d560d7e517b09aa56f05c2e9e24579fd211c67bfa2c87c", kill_on_drop: false }`
[INFO] [stdout] c276641da3f86b29d7d560d7e517b09aa56f05c2e9e24579fd211c67bfa2c87c