Dec 02 06:11:47.727 INFO documenting legacy-serde-0.9.0 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1 Dec 02 06:11:47.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-6/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +f86f76f89ea2b1ccbfb3741962ec2029d878a389-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 02 06:11:47.914 INFO [stdout] adc5398b886c7d4631d92c7017a0668c962e989f3be2772e1ffc5665badddd42 Dec 02 06:11:47.916 INFO running `"docker" "start" "-a" "adc5398b886c7d4631d92c7017a0668c962e989f3be2772e1ffc5665badddd42"` Dec 02 06:11:48.270 INFO [stderr] usermod: no changes Dec 02 06:11:48.307 INFO [stderr] Checking serde v0.9.15 Dec 02 06:11:55.142 INFO [stderr] Documenting legacy-serde v0.9.0 (/source) Dec 02 06:11:57.044 INFO [stderr] warning: `[DefaultHasher::new]` cannot be resolved, ignoring it... Dec 02 06:11:57.044 INFO [stderr] | Dec 02 06:11:57.045 INFO [stderr] = note: #[warn(intra_doc_link_resolution_failure)] on by default Dec 02 06:11:57.045 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.045 INFO [stderr] Dec 02 06:11:57.045 INFO [stderr] Creates a new `DefaultHasher` using [`new`][DefaultHasher::new]. Dec 02 06:11:57.046 INFO [stderr] ^^^^^^^^^^^^^^^^^^ Dec 02 06:11:57.046 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.046 INFO [stderr] Dec 02 06:11:57.046 INFO [stderr] warning: `[DefaultHasher::new]` cannot be resolved, ignoring it... Dec 02 06:11:57.047 INFO [stderr] | Dec 02 06:11:57.047 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.047 INFO [stderr] Dec 02 06:11:57.048 INFO [stderr] Creates a new `DefaultHasher` using [`new`][DefaultHasher::new]. Dec 02 06:11:57.048 INFO [stderr] ^^^^^^^^^^^^^^^^^^ Dec 02 06:11:57.048 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.048 INFO [stderr] Dec 02 06:11:57.049 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.049 INFO [stderr] | Dec 02 06:11:57.049 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.050 INFO [stderr] Dec 02 06:11:57.050 INFO [stderr] Converts a [`String`] into a box of dyn [`Error`] + [`Send`] + [`Sync`]. Dec 02 06:11:57.050 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.051 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.051 INFO [stderr] Dec 02 06:11:57.051 INFO [stderr] warning: `[ErrorKind]` cannot be resolved, ignoring it... Dec 02 06:11:57.051 INFO [stderr] | Dec 02 06:11:57.052 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.052 INFO [stderr] Dec 02 06:11:57.052 INFO [stderr] Converts an [`ErrorKind`] into an [`Error`]. Dec 02 06:11:57.052 INFO [stderr] ^^^^^^^^^^^ Dec 02 06:11:57.053 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.053 INFO [stderr] Dec 02 06:11:57.053 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.053 INFO [stderr] | Dec 02 06:11:57.054 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.054 INFO [stderr] Dec 02 06:11:57.054 INFO [stderr] Converts an [`ErrorKind`] into an [`Error`]. Dec 02 06:11:57.055 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.055 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.055 INFO [stderr] Dec 02 06:11:57.055 INFO [stderr] warning: `[SocketAddrV4]` cannot be resolved, ignoring it... Dec 02 06:11:57.056 INFO [stderr] | Dec 02 06:11:57.057 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] Converts a [`SocketAddrV4`] into a [`SocketAddr::V4`]. Dec 02 06:11:57.057 INFO [stderr] ^^^^^^^^^^^^^^ Dec 02 06:11:57.057 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] warning: `[SocketAddr::V4]` cannot be resolved, ignoring it... Dec 02 06:11:57.057 INFO [stderr] | Dec 02 06:11:57.057 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] Converts a [`SocketAddrV4`] into a [`SocketAddr::V4`]. Dec 02 06:11:57.057 INFO [stderr] ^^^^^^^^^^^^^^^^ Dec 02 06:11:57.057 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] warning: `[Mutex::new]` cannot be resolved, ignoring it... Dec 02 06:11:57.057 INFO [stderr] | Dec 02 06:11:57.057 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] This is equivalent to [`Mutex::new`]. Dec 02 06:11:57.057 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.057 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.057 INFO [stderr] Dec 02 06:11:57.057 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.057 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`str`] into a box of dyn [`Error`] + [`Send`] + [`Sync`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`String`] into a box of dyn [`Error`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`str`] into a box of dyn [`Error`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[Cow]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`Cow`] into a box of dyn [`Error`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`Cow`] into a box of dyn [`Error`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[OsString]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a [`String`] into a [`OsString`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[IpAddr]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a tuple struct (Into<[`IpAddr`]>, `u16`) into a [`SocketAddr`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[SocketAddr]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] Converts a tuple struct (Into<[`IpAddr`]>, `u16`) into a [`SocketAddr`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[SocketAddr::V4]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] This conversion creates a [`SocketAddr::V4`] for a [`IpAddr::V4`] Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[IpAddr::V4]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] This conversion creates a [`SocketAddr::V4`] for a [`IpAddr::V4`] Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[SocketAddr::V6]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.058 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] and creates a [`SocketAddr::V6`] for a [`IpAddr::V6`]. Dec 02 06:11:57.058 INFO [stderr] ^^^^^^^^^^^^^^^^ Dec 02 06:11:57.058 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.058 INFO [stderr] Dec 02 06:11:57.058 INFO [stderr] warning: `[IpAddr::V6]` cannot be resolved, ignoring it... Dec 02 06:11:57.058 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] and creates a [`SocketAddr::V6`] for a [`IpAddr::V6`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[SocketAddr]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] `u16` is treated as port of the newly created [`SocketAddr`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[SocketAddrV6]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a [`SocketAddrV6`] into a [`SocketAddr::V6`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[SocketAddr::V6]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a [`SocketAddrV6`] into a [`SocketAddr::V6`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^^^^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a type of [`Error`] + [`Send`] + [`Sync`] into a box of dyn [`Error`] + Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a type of [`Error`] + [`Send`] + [`Sync`] into a box of dyn [`Error`] + Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a type of [`Error`] into a box of dyn [`Error`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a type of [`Error`] into a box of dyn [`Error`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[RwLock::new]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] This is equivalent to [`RwLock::new`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Cow]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a [`Cow`] into a box of dyn [`Error`] + [`Send`] + [`Sync`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[Error]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.059 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] Converts a [`Cow`] into a box of dyn [`Error`] + [`Send`] + [`Sync`]. Dec 02 06:11:57.059 INFO [stderr] ^^^^^^^ Dec 02 06:11:57.059 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.059 INFO [stderr] Dec 02 06:11:57.059 INFO [stderr] warning: `[chunks]` cannot be resolved, ignoring it... Dec 02 06:11:57.059 INFO [stderr] | Dec 02 06:11:57.060 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] resulting code better than in the case of [`chunks`]. Dec 02 06:11:57.060 INFO [stderr] ^^^^^^^^ Dec 02 06:11:57.060 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] warning: `[chunks_mut]` cannot be resolved, ignoring it... Dec 02 06:11:57.060 INFO [stderr] | Dec 02 06:11:57.060 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] resulting code better than in the case of [`chunks_mut`]. Dec 02 06:11:57.060 INFO [stderr] ^^^^^^^^^^^^ Dec 02 06:11:57.060 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] warning: `[Weak::upgrade]` cannot be resolved, ignoring it... Dec 02 06:11:57.060 INFO [stderr] | Dec 02 06:11:57.060 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] it. Calling [`upgrade`][Weak::upgrade] on the return value always gives [`None`]. Dec 02 06:11:57.060 INFO [stderr] ^^^^^^^^^^^^^ Dec 02 06:11:57.060 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] warning: `[Weak::upgrade]` cannot be resolved, ignoring it... Dec 02 06:11:57.060 INFO [stderr] | Dec 02 06:11:57.060 INFO [stderr] = note: the link appears in this line: Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.060 INFO [stderr] Calling [`upgrade`][Weak::upgrade] on the return value always Dec 02 06:11:57.060 INFO [stderr] ^^^^^^^^^^^^^ Dec 02 06:11:57.060 INFO [stderr] = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]` Dec 02 06:11:57.060 INFO [stderr] Dec 02 06:11:57.435 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.15s Dec 02 06:11:57.439 INFO [stderr] su: No module specific data is present Dec 02 06:11:57.707 INFO running `"docker" "inspect" "adc5398b886c7d4631d92c7017a0668c962e989f3be2772e1ffc5665badddd42"` Dec 02 06:11:57.795 INFO running `"docker" "rm" "-f" "adc5398b886c7d4631d92c7017a0668c962e989f3be2772e1ffc5665badddd42"` Dec 02 06:11:57.918 INFO [stdout] adc5398b886c7d4631d92c7017a0668c962e989f3be2772e1ffc5665badddd42