[INFO] fetching crate libyml 0.0.5...
[INFO] testing libyml-0.0.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate libyml 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libyml 0.0.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libyml 0.0.5
[INFO] tweaked toml for crates.io crate libyml 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libyml 0.0.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libyml 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 872dfc33217e6ec62124cac65afeed8d62d0373b9f8dccb43874890bc376ed15
[INFO] running `Command { std: "docker" "start" "-a" "872dfc33217e6ec62124cac65afeed8d62d0373b9f8dccb43874890bc376ed15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872dfc33217e6ec62124cac65afeed8d62d0373b9f8dccb43874890bc376ed15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872dfc33217e6ec62124cac65afeed8d62d0373b9f8dccb43874890bc376ed15", kill_on_drop: false }`
[INFO] [stdout] 872dfc33217e6ec62124cac65afeed8d62d0373b9f8dccb43874890bc376ed15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b188426b3a9884e2b4e823d9b05f4672a46ed2965dc34d29f58a5940ddccf1b1
[INFO] running `Command { std: "docker" "start" "-a" "b188426b3a9884e2b4e823d9b05f4672a46ed2965dc34d29f58a5940ddccf1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling libyml v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see <https://github.com/rust-lang/rust/issues/40107> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D missing_fragment_specifier`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W box_pointers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dumper.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `-D unused-assignments` implied by `-D unused`
[INFO] [stdout]     = help: to override `-D unused` add `#[allow(unused_assignments)]`
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dumper.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dumper.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     STACK_DEL!(ctx);
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     STACK_DEL!(ctx);
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     STACK_DEL!(ctx);
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         STACK_DEL!(ctx);
[INFO] [stdout]     |         --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         STACK_DEL!(ctx);
[INFO] [stdout]     |         --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `ctx` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/loader.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         STACK_DEL!(ctx);
[INFO] [stdout]     |         --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `nodes` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     STACK_DEL!(nodes);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `nodes` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     STACK_DEL!(nodes);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `nodes` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     STACK_DEL!(nodes);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 STACK_DEL!(node.data.sequence.items);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 STACK_DEL!(node.data.sequence.items);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 STACK_DEL!(node.data.sequence.items);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |                 ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |                 ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `node` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 STACK_DEL!(node.data.mapping.pairs);
[INFO] [stdout]     |                 ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `items` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     STACK_DEL!(items);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `items` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     STACK_DEL!(items);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `items` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     STACK_DEL!(items);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `pairs` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:521:5
[INFO] [stdout]     |
[INFO] [stdout] 521 |     STACK_DEL!(pairs);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `pairs` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:521:5
[INFO] [stdout]     |
[INFO] [stdout] 521 |     STACK_DEL!(pairs);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `pairs` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:521:5
[INFO] [stdout]     |
[INFO] [stdout] 521 |     STACK_DEL!(pairs);
[INFO] [stdout]     |     ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:791:5
[INFO] [stdout]     |
[INFO] [stdout] 791 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:791:5
[INFO] [stdout]     |
[INFO] [stdout] 791 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives_copy` is never read
[INFO] [stdout]    --> src/macros.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/document.rs:791:5
[INFO] [stdout]     |
[INFO] [stdout] 791 |     STACK_DEL!(tag_directives_copy);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]    --> src/parser.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 tag_directives.start = tag_directives.end;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:916:9
[INFO] [stdout]      |
[INFO] [stdout]  916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1499:25
[INFO] [stdout]      |
[INFO] [stdout] 1499 |                         STACK_DEL!(tag_directives);
[INFO] [stdout]      |                         -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:917:9
[INFO] [stdout]      |
[INFO] [stdout]  917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1499:25
[INFO] [stdout]      |
[INFO] [stdout] 1499 |                         STACK_DEL!(tag_directives);
[INFO] [stdout]      |                         -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:918:9
[INFO] [stdout]      |
[INFO] [stdout]  918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1499:25
[INFO] [stdout]      |
[INFO] [stdout] 1499 |                         STACK_DEL!(tag_directives);
[INFO] [stdout]      |                         -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:916:9
[INFO] [stdout]      |
[INFO] [stdout]  916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1506:21
[INFO] [stdout]      |
[INFO] [stdout] 1506 |                     STACK_DEL!(tag_directives);
[INFO] [stdout]      |                     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:917:9
[INFO] [stdout]      |
[INFO] [stdout]  917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1506:21
[INFO] [stdout]      |
[INFO] [stdout] 1506 |                     STACK_DEL!(tag_directives);
[INFO] [stdout]      |                     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:918:9
[INFO] [stdout]      |
[INFO] [stdout]  918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1506:21
[INFO] [stdout]      |
[INFO] [stdout] 1506 |                     STACK_DEL!(tag_directives);
[INFO] [stdout]      |                     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:916:9
[INFO] [stdout]      |
[INFO] [stdout]  916 |         $stack.end = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1521:5
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     STACK_DEL!(tag_directives);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:917:9
[INFO] [stdout]      |
[INFO] [stdout]  917 |         $stack.top = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1521:5
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     STACK_DEL!(tag_directives);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `tag_directives` is never read
[INFO] [stdout]     --> src/macros.rs:918:9
[INFO] [stdout]      |
[INFO] [stdout]  918 |         $stack.start = ptr::null_mut();
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/parser.rs:1521:5
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     STACK_DEL!(tag_directives);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STACK_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:1295:5
[INFO] [stdout]      |
[INFO] [stdout] 1295 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:1568:5
[INFO] [stdout]      |
[INFO] [stdout] 1568 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:1777:5
[INFO] [stdout]      |
[INFO] [stdout] 1777 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:1801:17
[INFO] [stdout]      |
[INFO] [stdout] 1801 |                 STRING_DEL!(string);
[INFO] [stdout]      |                 ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2280:5
[INFO] [stdout]      |
[INFO] [stdout] 2280 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2281:5
[INFO] [stdout]      |
[INFO] [stdout] 2281 |     STRING_DEL!(leading_break);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2268:41
[INFO] [stdout]      |
[INFO] [stdout] 2268 | ...                   STRING_DEL!(leading_break);
[INFO] [stdout]      |                       -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2282:5
[INFO] [stdout]      |
[INFO] [stdout] 2282 |     STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |     ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2269:41
[INFO] [stdout]      |
[INFO] [stdout] 2269 | ...                   STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |                       ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2828:5
[INFO] [stdout]      |
[INFO] [stdout] 2828 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2829:5
[INFO] [stdout]      |
[INFO] [stdout] 2829 |     STRING_DEL!(leading_break);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2823:9
[INFO] [stdout]      |
[INFO] [stdout] 2823 |         STRING_DEL!(leading_break);
[INFO] [stdout]      |         -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2830:5
[INFO] [stdout]      |
[INFO] [stdout] 2830 |     STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |     ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2824:9
[INFO] [stdout]      |
[INFO] [stdout] 2824 |         STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |         ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `whitespaces` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2831:5
[INFO] [stdout]      |
[INFO] [stdout] 2831 |     STRING_DEL!(whitespaces);
[INFO] [stdout]      |     ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `whitespaces` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:2825:9
[INFO] [stdout]      |
[INFO] [stdout] 2825 |         STRING_DEL!(whitespaces);
[INFO] [stdout]      |         ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `string` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3019:5
[INFO] [stdout]      |
[INFO] [stdout] 3019 |     STRING_DEL!(string);
[INFO] [stdout]      |     ------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3020:5
[INFO] [stdout]      |
[INFO] [stdout] 3020 |     STRING_DEL!(leading_break);
[INFO] [stdout]      |     -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `leading_break` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3014:9
[INFO] [stdout]      |
[INFO] [stdout] 3014 |         STRING_DEL!(leading_break);
[INFO] [stdout]      |         -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3021:5
[INFO] [stdout]      |
[INFO] [stdout] 3021 |     STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |     ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `trailing_breaks` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3015:9
[INFO] [stdout]      |
[INFO] [stdout] 3015 |         STRING_DEL!(trailing_breaks);
[INFO] [stdout]      |         ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `whitespaces` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3022:5
[INFO] [stdout]      |
[INFO] [stdout] 3022 |     STRING_DEL!(whitespaces);
[INFO] [stdout]      |     ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `whitespaces` is never read
[INFO] [stdout]     --> src/macros.rs:127:9
[INFO] [stdout]      |
[INFO] [stdout]  127 |         $string.start = $string.pointer;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/scanner.rs:3016:9
[INFO] [stdout]      |
[INFO] [stdout] 3016 |         STRING_DEL!(whitespaces);
[INFO] [stdout]      |         ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: this error originates in the macro `STRING_DEL` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libyml` (lib) due to 63 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b188426b3a9884e2b4e823d9b05f4672a46ed2965dc34d29f58a5940ddccf1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b188426b3a9884e2b4e823d9b05f4672a46ed2965dc34d29f58a5940ddccf1b1", kill_on_drop: false }`
[INFO] [stdout] b188426b3a9884e2b4e823d9b05f4672a46ed2965dc34d29f58a5940ddccf1b1