[INFO] fetching crate rand_derive2 0.1.17...
[INFO] documenting rand_derive2-0.1.17 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rand_derive2 0.1.17 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rand_derive2 0.1.17 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 rand_derive2 0.1.17
[INFO] finished tweaking crates.io crate rand_derive2 0.1.17
[INFO] tweaked toml for crates.io crate rand_derive2 0.1.17 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690e19bcf4e6e5115cac3113bcc4999144388accbd484e68f88629357007ddf3
[INFO] running `Command { std: "docker" "start" "-a" "690e19bcf4e6e5115cac3113bcc4999144388accbd484e68f88629357007ddf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690e19bcf4e6e5115cac3113bcc4999144388accbd484e68f88629357007ddf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690e19bcf4e6e5115cac3113bcc4999144388accbd484e68f88629357007ddf3", kill_on_drop: false }`
[INFO] [stdout] 690e19bcf4e6e5115cac3113bcc4999144388accbd484e68f88629357007ddf3
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910a67ec7f32048c52e7e80051abc4a513a538a5c9e97c33b2c9760081139910
[INFO] running `Command { std: "docker" "start" "-a" "910a67ec7f32048c52e7e80051abc4a513a538a5c9e97c33b2c9760081139910", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking proc_macro2_helper v0.2.9
[INFO] [stderr]  Documenting rand_derive2 v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "910a67ec7f32048c52e7e80051abc4a513a538a5c9e97c33b2c9760081139910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910a67ec7f32048c52e7e80051abc4a513a538a5c9e97c33b2c9760081139910", kill_on_drop: false }`
[INFO] [stdout] 910a67ec7f32048c52e7e80051abc4a513a538a5c9e97c33b2c9760081139910
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 285d1c89ca6229a30ea5f189486bbd4010aa41d976fb9e5eefab8251c3e58b5a
[INFO] running `Command { std: "docker" "start" "-a" "285d1c89ca6229a30ea5f189486bbd4010aa41d976fb9e5eefab8251c3e58b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking proc_macro2_helper v0.2.9
[INFO] [stderr]  Documenting rand_derive2 v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "285d1c89ca6229a30ea5f189486bbd4010aa41d976fb9e5eefab8251c3e58b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285d1c89ca6229a30ea5f189486bbd4010aa41d976fb9e5eefab8251c3e58b5a", kill_on_drop: false }`
[INFO] [stdout] 285d1c89ca6229a30ea5f189486bbd4010aa41d976fb9e5eefab8251c3e58b5a