[INFO] fetching crate muta-codec-derive 0.2.2...
[INFO] documenting muta-codec-derive-0.2.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate muta-codec-derive 0.2.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate muta-codec-derive 0.2.2 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 muta-codec-derive 0.2.2
[INFO] finished tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] tweaked toml for crates.io crate muta-codec-derive 0.2.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate muta-codec-derive 0.2.2 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlp v0.4.5
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] [stdout] 6511275d2787f69ea4532a5e32e285bad7710d703c460f7297c5eb5dfcfa4f14
[INFO] running `Command { std: "docker" "start" "-a" "6511275d2787f69ea4532a5e32e285bad7710d703c460f7297c5eb5dfcfa4f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6511275d2787f69ea4532a5e32e285bad7710d703c460f7297c5eb5dfcfa4f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6511275d2787f69ea4532a5e32e285bad7710d703c460f7297c5eb5dfcfa4f14", kill_on_drop: false }`
[INFO] [stdout] 6511275d2787f69ea4532a5e32e285bad7710d703c460f7297c5eb5dfcfa4f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] b9d67c9f57fd39198354746fce61108b99eba10596756ad52c053c899590def7
[INFO] running `Command { std: "docker" "start" "-a" "b9d67c9f57fd39198354746fce61108b99eba10596756ad52c053c899590def7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]  Documenting muta-codec-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "b9d67c9f57fd39198354746fce61108b99eba10596756ad52c053c899590def7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d67c9f57fd39198354746fce61108b99eba10596756ad52c053c899590def7", kill_on_drop: false }`
[INFO] [stdout] b9d67c9f57fd39198354746fce61108b99eba10596756ad52c053c899590def7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] [stdout] 2fd100ecc3ab8d9c820703fb50af77baaa46dc7537d604a0f460111e955d4374
[INFO] running `Command { std: "docker" "start" "-a" "2fd100ecc3ab8d9c820703fb50af77baaa46dc7537d604a0f460111e955d4374", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]  Documenting muta-codec-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "2fd100ecc3ab8d9c820703fb50af77baaa46dc7537d604a0f460111e955d4374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd100ecc3ab8d9c820703fb50af77baaa46dc7537d604a0f460111e955d4374", kill_on_drop: false }`
[INFO] [stdout] 2fd100ecc3ab8d9c820703fb50af77baaa46dc7537d604a0f460111e955d4374