[INFO] fetching crate html-diff 0.0.6...
[INFO] documenting html-diff-0.0.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 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 html-diff 0.0.6
[INFO] finished tweaking crates.io crate html-diff 0.0.6
[INFO] tweaked toml for crates.io crate html-diff 0.0.6 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eddd39af66b55b80af986f08f3f9a45ea0dbc10b52bea9da3f7be030f2b1e4df
[INFO] running `Command { std: "docker" "start" "-a" "eddd39af66b55b80af986f08f3f9a45ea0dbc10b52bea9da3f7be030f2b1e4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eddd39af66b55b80af986f08f3f9a45ea0dbc10b52bea9da3f7be030f2b1e4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddd39af66b55b80af986f08f3f9a45ea0dbc10b52bea9da3f7be030f2b1e4df", kill_on_drop: false }`
[INFO] [stdout] eddd39af66b55b80af986f08f3f9a45ea0dbc10b52bea9da3f7be030f2b1e4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e75a7457c73dd5ecc3a75e490a6f66a8065db946c5ab528a2f9306bbea9320c1
[INFO] running `Command { std: "docker" "start" "-a" "e75a7457c73dd5ecc3a75e490a6f66a8065db946c5ab528a2f9306bbea9320c1", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `html_diff` in package `html-diff v0.0.6 (/opt/rustwide/workdir)` has the same output filename as the lib target `html-diff` in package `html-diff v0.0.6 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/html_diff/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.62.0-beta.2 (3f052d8ee 2022-05-12) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "html-diff", version: "0.0.6", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "html_diff", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2015) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 16266214979780978228 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "html-diff", version: "0.0.6", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("html-diff", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2015) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 11105027180111055495 }
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling selectors v0.18.0
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.5.0
[INFO] [stderr]    Compiling cssparser v0.13.7
[INFO] [stderr]    Compiling html5ever v0.20.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking kuchiki v0.6.0
[INFO] [stderr]  Documenting html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cssparser v0.13.7, selectors v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "e75a7457c73dd5ecc3a75e490a6f66a8065db946c5ab528a2f9306bbea9320c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75a7457c73dd5ecc3a75e490a6f66a8065db946c5ab528a2f9306bbea9320c1", kill_on_drop: false }`
[INFO] [stdout] e75a7457c73dd5ecc3a75e490a6f66a8065db946c5ab528a2f9306bbea9320c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a177827b060c09db21a0b5f963a3e7ab200cfd94fca6f3a05565a7efa158b57b
[INFO] running `Command { std: "docker" "start" "-a" "a177827b060c09db21a0b5f963a3e7ab200cfd94fca6f3a05565a7efa158b57b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling selectors v0.18.0
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.5.0
[INFO] [stderr]    Compiling cssparser v0.13.7
[INFO] [stderr]    Compiling html5ever v0.20.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking kuchiki v0.6.0
[INFO] [stderr]  Documenting html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cssparser v0.13.7, selectors v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "a177827b060c09db21a0b5f963a3e7ab200cfd94fca6f3a05565a7efa158b57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a177827b060c09db21a0b5f963a3e7ab200cfd94fca6f3a05565a7efa158b57b", kill_on_drop: false }`
[INFO] [stdout] a177827b060c09db21a0b5f963a3e7ab200cfd94fca6f3a05565a7efa158b57b