[INFO] fetching crate zerofrom-derive 0.1.0...
[INFO] documenting zerofrom-derive-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate zerofrom-derive 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zerofrom-derive 0.1.0 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 zerofrom-derive 0.1.0
[INFO] finished tweaking crates.io crate zerofrom-derive 0.1.0
[INFO] tweaked toml for crates.io crate zerofrom-derive 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zerofrom-derive 0.1.0 already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 95f79d81de2683b7e60a67931346a5760159da98c6956ec3ce363f6fc177f801
[INFO] running `Command { std: "docker" "start" "-a" "95f79d81de2683b7e60a67931346a5760159da98c6956ec3ce363f6fc177f801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f79d81de2683b7e60a67931346a5760159da98c6956ec3ce363f6fc177f801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f79d81de2683b7e60a67931346a5760159da98c6956ec3ce363f6fc177f801", kill_on_drop: false }`
[INFO] [stdout] 95f79d81de2683b7e60a67931346a5760159da98c6956ec3ce363f6fc177f801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] f0419c8e69a56ce0b6c7f34806909d37d369bcb13e8ff859313c1a9a1d74c588
[INFO] running `Command { std: "docker" "start" "-a" "f0419c8e69a56ce0b6c7f34806909d37d369bcb13e8ff859313c1a9a1d74c588", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking quote v1.0.17
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]  Documenting zerofrom-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "f0419c8e69a56ce0b6c7f34806909d37d369bcb13e8ff859313c1a9a1d74c588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0419c8e69a56ce0b6c7f34806909d37d369bcb13e8ff859313c1a9a1d74c588", kill_on_drop: false }`
[INFO] [stdout] f0419c8e69a56ce0b6c7f34806909d37d369bcb13e8ff859313c1a9a1d74c588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 842d71a598110610b9ad3a2ed3f6f0578cfa26a4fa484646f13bdd75de05003c
[INFO] running `Command { std: "docker" "start" "-a" "842d71a598110610b9ad3a2ed3f6f0578cfa26a4fa484646f13bdd75de05003c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking quote v1.0.17
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]  Documenting zerofrom-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "842d71a598110610b9ad3a2ed3f6f0578cfa26a4fa484646f13bdd75de05003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842d71a598110610b9ad3a2ed3f6f0578cfa26a4fa484646f13bdd75de05003c", kill_on_drop: false }`
[INFO] [stdout] 842d71a598110610b9ad3a2ed3f6f0578cfa26a4fa484646f13bdd75de05003c