[INFO] fetching crate evtx 0.6.6...
[INFO] documenting evtx-0.6.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate evtx 0.6.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate evtx 0.6.6 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evtx 0.6.6
[INFO] finished tweaking crates.io crate evtx 0.6.6
[INFO] tweaked toml for crates.io crate evtx 0.6.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate evtx 0.6.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] f83f3e2fc3f26d60e419e9eb86230eb8d0d4ab12408232ad2165073ec874c500
[INFO] running `Command { std: "docker" "start" "-a" "f83f3e2fc3f26d60e419e9eb86230eb8d0d4ab12408232ad2165073ec874c500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83f3e2fc3f26d60e419e9eb86230eb8d0d4ab12408232ad2165073ec874c500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83f3e2fc3f26d60e419e9eb86230eb8d0d4ab12408232ad2165073ec874c500", kill_on_drop: false }`
[INFO] [stdout] f83f3e2fc3f26d60e419e9eb86230eb8d0d4ab12408232ad2165073ec874c500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b301c3710efa81e580ea15979b7bedc77715530a79ab2820d2c8b80e8550c5e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b301c3710efa81e580ea15979b7bedc77715530a79ab2820d2c8b80e8550c5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking winstructs v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling evtx v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]  Documenting evtx v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/json_output.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     mem::replace(v_temp, Value::Object(map));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(unused_must_use)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/json_output.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     mem::replace(v_temp, Value::Object(map));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/json_output.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |             mem::replace(current_value, value.clone().into());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `evtx`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/xml_output.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ///                                                     ~~~~~~~~~~~~~~~
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ///                                                     ```text~~~~~~~~~~~~
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b301c3710efa81e580ea15979b7bedc77715530a79ab2820d2c8b80e8550c5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b301c3710efa81e580ea15979b7bedc77715530a79ab2820d2c8b80e8550c5e1", kill_on_drop: false }`
[INFO] [stdout] b301c3710efa81e580ea15979b7bedc77715530a79ab2820d2c8b80e8550c5e1