[INFO] fetching crate serde_tagged 0.2.0...
[INFO] documenting serde_tagged-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_tagged 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_tagged 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_tagged 0.2.0
[INFO] finished tweaking crates.io crate serde_tagged 0.2.0
[INFO] tweaked toml for crates.io crate serde_tagged 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "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] 846cbac9159f096728dc9a1a0206b798cb864c079964e489101f49499b9894d3
[INFO] running `Command { std: "docker" "start" "-a" "846cbac9159f096728dc9a1a0206b798cb864c079964e489101f49499b9894d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846cbac9159f096728dc9a1a0206b798cb864c079964e489101f49499b9894d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846cbac9159f096728dc9a1a0206b798cb864c079964e489101f49499b9894d3", kill_on_drop: false }`
[INFO] [stdout] 846cbac9159f096728dc9a1a0206b798cb864c079964e489101f49499b9894d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] a9c3cc6b1431dcf40ea1b3ba73c63798225b164453e3b7a3b72312622fda677f
[INFO] running `Command { std: "docker" "start" "-a" "a9c3cc6b1431dcf40ea1b3ba73c63798225b164453e3b7a3b72312622fda677f", kill_on_drop: false }`
[INFO] [stderr]    Compiling erased-serde v0.3.20
[INFO] [stderr]  Documenting serde_tagged v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/de/internal.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 |         use serde::de::value::SeqAccessDeserializer;;
[INFO] [stdout]     |                                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "a9c3cc6b1431dcf40ea1b3ba73c63798225b164453e3b7a3b72312622fda677f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c3cc6b1431dcf40ea1b3ba73c63798225b164453e3b7a3b72312622fda677f", kill_on_drop: false }`
[INFO] [stdout] a9c3cc6b1431dcf40ea1b3ba73c63798225b164453e3b7a3b72312622fda677f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d2721904cbb9f823a1f8463d9d6ab0a9b0174eb158575151a4933c62130adb1c
[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" "d2721904cbb9f823a1f8463d9d6ab0a9b0174eb158575151a4933c62130adb1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling erased-serde v0.3.20
[INFO] [stderr]  Documenting serde_tagged v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/de/internal.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 |         use serde::de::value::SeqAccessDeserializer;;
[INFO] [stdout]     |                                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `Command { std: "docker" "inspect" "d2721904cbb9f823a1f8463d9d6ab0a9b0174eb158575151a4933c62130adb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2721904cbb9f823a1f8463d9d6ab0a9b0174eb158575151a4933c62130adb1c", kill_on_drop: false }`
[INFO] [stdout] d2721904cbb9f823a1f8463d9d6ab0a9b0174eb158575151a4933c62130adb1c