[INFO] fetching crate structconf_derive 0.5.0...
[INFO] documenting structconf_derive-0.5.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate structconf_derive 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate structconf_derive 0.5.0 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 structconf_derive 0.5.0
[INFO] finished tweaking crates.io crate structconf_derive 0.5.0
[INFO] tweaked toml for crates.io crate structconf_derive 0.5.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9740e51458ec38db2f7da21ab1ba81e2a2246a7b59f29ef4cb46449134e75340
[INFO] running `Command { std: "docker" "start" "-a" "9740e51458ec38db2f7da21ab1ba81e2a2246a7b59f29ef4cb46449134e75340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9740e51458ec38db2f7da21ab1ba81e2a2246a7b59f29ef4cb46449134e75340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9740e51458ec38db2f7da21ab1ba81e2a2246a7b59f29ef4cb46449134e75340", kill_on_drop: false }`
[INFO] [stdout] 9740e51458ec38db2f7da21ab1ba81e2a2246a7b59f29ef4cb46449134e75340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f33de7a782ba4acfc96b8db066d9221b7537d42283feeb67c8b70ca130b1527e
[INFO] running `Command { std: "docker" "start" "-a" "f33de7a782ba4acfc96b8db066d9221b7537d42283feeb67c8b70ca130b1527e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking syn v1.0.95
[INFO] [stderr]     Checking darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]  Documenting structconf_derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
[INFO] running `Command { std: "docker" "inspect" "f33de7a782ba4acfc96b8db066d9221b7537d42283feeb67c8b70ca130b1527e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33de7a782ba4acfc96b8db066d9221b7537d42283feeb67c8b70ca130b1527e", kill_on_drop: false }`
[INFO] [stdout] f33de7a782ba4acfc96b8db066d9221b7537d42283feeb67c8b70ca130b1527e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6b5c73b910b215a7d04040310b8e527cfa1c18d10270f75f3f31f565b1e010d2
[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" "6b5c73b910b215a7d04040310b8e527cfa1c18d10270f75f3f31f565b1e010d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]  Documenting structconf_derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.05s
[INFO] running `Command { std: "docker" "inspect" "6b5c73b910b215a7d04040310b8e527cfa1c18d10270f75f3f31f565b1e010d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5c73b910b215a7d04040310b8e527cfa1c18d10270f75f3f31f565b1e010d2", kill_on_drop: false }`
[INFO] [stdout] 6b5c73b910b215a7d04040310b8e527cfa1c18d10270f75f3f31f565b1e010d2