[INFO] fetching crate stegano-core 0.5.1...
[INFO] documenting stegano-core-0.5.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate stegano-core 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stegano-core 0.5.1 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 stegano-core 0.5.1
[INFO] finished tweaking crates.io crate stegano-core 0.5.1
[INFO] tweaked toml for crates.io crate stegano-core 0.5.1 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] [stderr]     Blocking waiting for file lock on package cache
[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-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] [stdout] 03dad0104be5d563f767501fefd8a5e780ff9f2766b26131318d2ea0e995691f
[INFO] running `Command { std: "docker" "start" "-a" "03dad0104be5d563f767501fefd8a5e780ff9f2766b26131318d2ea0e995691f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03dad0104be5d563f767501fefd8a5e780ff9f2766b26131318d2ea0e995691f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03dad0104be5d563f767501fefd8a5e780ff9f2766b26131318d2ea0e995691f", kill_on_drop: false }`
[INFO] [stdout] 03dad0104be5d563f767501fefd8a5e780ff9f2766b26131318d2ea0e995691f
[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] [stdout] 5939bddffbf644815382ec2a0336caadf06019e73076b252f1f6934ea53ed5d9
[INFO] running `Command { std: "docker" "start" "-a" "5939bddffbf644815382ec2a0336caadf06019e73076b252f1f6934ea53ed5d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking bitstream-io v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking sha1 v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stderr]  Documenting stegano-core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.45s
[INFO] running `Command { std: "docker" "inspect" "5939bddffbf644815382ec2a0336caadf06019e73076b252f1f6934ea53ed5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5939bddffbf644815382ec2a0336caadf06019e73076b252f1f6934ea53ed5d9", kill_on_drop: false }`
[INFO] [stdout] 5939bddffbf644815382ec2a0336caadf06019e73076b252f1f6934ea53ed5d9
[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" "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] 0a3245e31ebf054195a5863f5f0b4bc90977cea0e208419fdead71f9a290ea5a
[INFO] running `Command { std: "docker" "start" "-a" "0a3245e31ebf054195a5863f5f0b4bc90977cea0e208419fdead71f9a290ea5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking bitstream-io v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stderr]  Documenting stegano-core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.98s
[INFO] running `Command { std: "docker" "inspect" "0a3245e31ebf054195a5863f5f0b4bc90977cea0e208419fdead71f9a290ea5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3245e31ebf054195a5863f5f0b4bc90977cea0e208419fdead71f9a290ea5a", kill_on_drop: false }`
[INFO] [stdout] 0a3245e31ebf054195a5863f5f0b4bc90977cea0e208419fdead71f9a290ea5a