[INFO] fetching crate unmemftp 0.1.0...
[INFO] documenting unmemftp-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate unmemftp 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate unmemftp 0.1.0 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 unmemftp 0.1.0
[INFO] finished tweaking crates.io crate unmemftp 0.1.0
[INFO] tweaked toml for crates.io crate unmemftp 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 slog-stdlog v4.1.1
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded path_abs v0.5.1
[INFO] [stderr]   Downloaded prometheus v0.9.0
[INFO] [stderr]   Downloaded stfu8 v0.2.5
[INFO] [stderr]   Downloaded async_ftp v4.0.4
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded proxy-protocol v0.1.1
[INFO] [stderr]   Downloaded libunftp v0.11.2
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b655ce703c8514b0aacdd70fce4451ed11ace38e0f6b0b015f1ff927dab6c9d
[INFO] running `Command { std: "docker" "start" "-a" "3b655ce703c8514b0aacdd70fce4451ed11ace38e0f6b0b015f1ff927dab6c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b655ce703c8514b0aacdd70fce4451ed11ace38e0f6b0b015f1ff927dab6c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b655ce703c8514b0aacdd70fce4451ed11ace38e0f6b0b015f1ff927dab6c9d", kill_on_drop: false }`
[INFO] [stdout] 3b655ce703c8514b0aacdd70fce4451ed11ace38e0f6b0b015f1ff927dab6c9d
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc0835d0ef1fa491e207a6d4f47412adf82a7753a5add593f6e36930a58f6a55
[INFO] running `Command { std: "docker" "start" "-a" "fc0835d0ef1fa491e207a6d4f47412adf82a7753a5add593f6e36930a58f6a55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking slog-stdlog v4.1.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking stfu8 v0.2.5
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking path_abs v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking libunftp v0.11.2
[INFO] [stderr]  Documenting unmemftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.66s
[INFO] running `Command { std: "docker" "inspect" "fc0835d0ef1fa491e207a6d4f47412adf82a7753a5add593f6e36930a58f6a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0835d0ef1fa491e207a6d4f47412adf82a7753a5add593f6e36930a58f6a55", kill_on_drop: false }`
[INFO] [stdout] fc0835d0ef1fa491e207a6d4f47412adf82a7753a5add593f6e36930a58f6a55
[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" "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] 2e496bb33d806c5fbbaf8c40801da815936ff397ffd7c2514683544ef9408d2d
[INFO] running `Command { std: "docker" "start" "-a" "2e496bb33d806c5fbbaf8c40801da815936ff397ffd7c2514683544ef9408d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking slog-stdlog v4.1.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking stfu8 v0.2.5
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking path_abs v0.5.1
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking libunftp v0.11.2
[INFO] [stderr]  Documenting unmemftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.99s
[INFO] running `Command { std: "docker" "inspect" "2e496bb33d806c5fbbaf8c40801da815936ff397ffd7c2514683544ef9408d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e496bb33d806c5fbbaf8c40801da815936ff397ffd7c2514683544ef9408d2d", kill_on_drop: false }`
[INFO] [stdout] 2e496bb33d806c5fbbaf8c40801da815936ff397ffd7c2514683544ef9408d2d