[INFO] fetching crate kdb 0.3.0...
[INFO] checking kdb-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate kdb 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate kdb 0.3.0
[INFO] finished tweaking crates.io crate kdb 0.3.0
[INFO] tweaked toml for crates.io crate kdb 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kdb 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kdb 0.3.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_iterator v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab8d0f3324d821a7636223e50bb3d1a5d111c81853120e0656cece768397012
[INFO] running `Command { std: "docker" "start" "-a" "eab8d0f3324d821a7636223e50bb3d1a5d111c81853120e0656cece768397012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab8d0f3324d821a7636223e50bb3d1a5d111c81853120e0656cece768397012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab8d0f3324d821a7636223e50bb3d1a5d111c81853120e0656cece768397012", kill_on_drop: false }`
[INFO] [stdout] eab8d0f3324d821a7636223e50bb3d1a5d111c81853120e0656cece768397012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f166feec1f0d7bbbfae57d107753737437f54c316f4c74e167ef6cb6122501
[INFO] running `Command { std: "docker" "start" "-a" "66f166feec1f0d7bbbfae57d107753737437f54c316f4c74e167ef6cb6122501", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling kdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking array_iterator v1.3.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:51:63
[INFO] [stdout]     |
[INFO] [stdout]  51 |         let bytes = b9_serialize(SerializationMode::InProc, l.as_ref()).unwrap();
[INFO] [stdout]     |                                                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `kbox::KBox<list::List<i32>>: AsRef<_>` found
[INFO] [stdout]    --> src/any.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: KListable> AsRef<Any> for KBox<List<T>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/kbox.rs:82:1
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl<T: KObject> AsRef<T> for KBox<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  51 -         let bytes = b9_serialize(SerializationMode::InProc, l.as_ref()).unwrap();
[INFO] [stdout]  51 +         let bytes = b9_serialize(SerializationMode::InProc, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:51:63
[INFO] [stdout]     |
[INFO] [stdout]  51 |         let bytes = b9_serialize(SerializationMode::InProc, l.as_ref()).unwrap();
[INFO] [stdout]     |                     ------------                              ^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `_: AsRef<any::Any>` found
[INFO] [stdout]    --> src/any.rs:40:1
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl AsRef<Any> for Dictionary {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 | impl AsRef<Any> for Table {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  52 | impl AsRef<Any> for KError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl AsRef<Any> for KBox<Dictionary> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 | impl AsRef<Any> for KBox<Table> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `AsRef<any::Any>`
[INFO] [stdout] note: required by a bound in `serialization::b9_serialize`
[INFO] [stdout]    --> src/serialization.rs:19:54
[INFO] [stdout]     |
[INFO] [stdout]  19 | pub fn b9_serialize(mode: SerializationMode, k: impl AsRef<Any>) -> Result<KBox<List<u8>>, KBox<KError>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ required by this bound in `b9_serialize`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  51 -         let bytes = b9_serialize(SerializationMode::InProc, l.as_ref()).unwrap();
[INFO] [stdout]  51 +         let bytes = b9_serialize(SerializationMode::InProc, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing this method call, as the receiver has type `kbox::KBox<list::List<i32>>` and `kbox::KBox<list::List<i32>>: AsRef<any::Any>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout]  51 -         let bytes = b9_serialize(SerializationMode::InProc, l.as_ref()).unwrap();
[INFO] [stdout]  51 +         let bytes = b9_serialize(SerializationMode::InProc, l).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:55:66
[INFO] [stdout]     |
[INFO] [stdout]  55 |         let bytes = b9_serialize(SerializationMode::Enumerate, l.as_ref()).unwrap();
[INFO] [stdout]     |                                                                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `kbox::KBox<list::List<i32>>: AsRef<_>` found
[INFO] [stdout]    --> src/any.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: KListable> AsRef<Any> for KBox<List<T>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/kbox.rs:82:1
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl<T: KObject> AsRef<T> for KBox<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  55 -         let bytes = b9_serialize(SerializationMode::Enumerate, l.as_ref()).unwrap();
[INFO] [stdout]  55 +         let bytes = b9_serialize(SerializationMode::Enumerate, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:55:66
[INFO] [stdout]     |
[INFO] [stdout]  55 |         let bytes = b9_serialize(SerializationMode::Enumerate, l.as_ref()).unwrap();
[INFO] [stdout]     |                     ------------                                 ^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `_: AsRef<any::Any>` found
[INFO] [stdout]    --> src/any.rs:40:1
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl AsRef<Any> for Dictionary {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 | impl AsRef<Any> for Table {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  52 | impl AsRef<Any> for KError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl AsRef<Any> for KBox<Dictionary> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 | impl AsRef<Any> for KBox<Table> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `AsRef<any::Any>`
[INFO] [stdout] note: required by a bound in `serialization::b9_serialize`
[INFO] [stdout]    --> src/serialization.rs:19:54
[INFO] [stdout]     |
[INFO] [stdout]  19 | pub fn b9_serialize(mode: SerializationMode, k: impl AsRef<Any>) -> Result<KBox<List<u8>>, KBox<KError>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ required by this bound in `b9_serialize`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  55 -         let bytes = b9_serialize(SerializationMode::Enumerate, l.as_ref()).unwrap();
[INFO] [stdout]  55 +         let bytes = b9_serialize(SerializationMode::Enumerate, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing this method call, as the receiver has type `kbox::KBox<list::List<i32>>` and `kbox::KBox<list::List<i32>>: AsRef<any::Any>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout]  55 -         let bytes = b9_serialize(SerializationMode::Enumerate, l.as_ref()).unwrap();
[INFO] [stdout]  55 +         let bytes = b9_serialize(SerializationMode::Enumerate, l).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:59:68
[INFO] [stdout]     |
[INFO] [stdout]  59 |         let bytes = b9_serialize(SerializationMode::Unenumerate, l.as_ref()).unwrap();
[INFO] [stdout]     |                                                                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `kbox::KBox<list::List<i32>>: AsRef<_>` found
[INFO] [stdout]    --> src/any.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: KListable> AsRef<Any> for KBox<List<T>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/kbox.rs:82:1
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl<T: KObject> AsRef<T> for KBox<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  59 -         let bytes = b9_serialize(SerializationMode::Unenumerate, l.as_ref()).unwrap();
[INFO] [stdout]  59 +         let bytes = b9_serialize(SerializationMode::Unenumerate, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:59:68
[INFO] [stdout]     |
[INFO] [stdout]  59 |         let bytes = b9_serialize(SerializationMode::Unenumerate, l.as_ref()).unwrap();
[INFO] [stdout]     |                     ------------                                   ^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `_: AsRef<any::Any>` found
[INFO] [stdout]    --> src/any.rs:40:1
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl AsRef<Any> for Dictionary {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 | impl AsRef<Any> for Table {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  52 | impl AsRef<Any> for KError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl AsRef<Any> for KBox<Dictionary> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 | impl AsRef<Any> for KBox<Table> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `AsRef<any::Any>`
[INFO] [stdout] note: required by a bound in `serialization::b9_serialize`
[INFO] [stdout]    --> src/serialization.rs:19:54
[INFO] [stdout]     |
[INFO] [stdout]  19 | pub fn b9_serialize(mode: SerializationMode, k: impl AsRef<Any>) -> Result<KBox<List<u8>>, KBox<KError>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ required by this bound in `b9_serialize`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  59 -         let bytes = b9_serialize(SerializationMode::Unenumerate, l.as_ref()).unwrap();
[INFO] [stdout]  59 +         let bytes = b9_serialize(SerializationMode::Unenumerate, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing this method call, as the receiver has type `kbox::KBox<list::List<i32>>` and `kbox::KBox<list::List<i32>>: AsRef<any::Any>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout]  59 -         let bytes = b9_serialize(SerializationMode::Unenumerate, l.as_ref()).unwrap();
[INFO] [stdout]  59 +         let bytes = b9_serialize(SerializationMode::Unenumerate, l).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:63:65
[INFO] [stdout]     |
[INFO] [stdout]  63 |         let bytes = b9_serialize(SerializationMode::Compress, l.as_ref()).unwrap();
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `kbox::KBox<list::List<i32>>: AsRef<_>` found
[INFO] [stdout]    --> src/any.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: KListable> AsRef<Any> for KBox<List<T>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/kbox.rs:82:1
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl<T: KObject> AsRef<T> for KBox<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  63 -         let bytes = b9_serialize(SerializationMode::Compress, l.as_ref()).unwrap();
[INFO] [stdout]  63 +         let bytes = b9_serialize(SerializationMode::Compress, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/serialization.rs:63:65
[INFO] [stdout]     |
[INFO] [stdout]  63 |         let bytes = b9_serialize(SerializationMode::Compress, l.as_ref()).unwrap();
[INFO] [stdout]     |                     ------------                                ^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `_: AsRef<any::Any>` found
[INFO] [stdout]    --> src/any.rs:40:1
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl AsRef<Any> for Dictionary {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 | impl AsRef<Any> for Table {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  52 | impl AsRef<Any> for KError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl AsRef<Any> for KBox<Dictionary> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 | impl AsRef<Any> for KBox<Table> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `AsRef<any::Any>`
[INFO] [stdout] note: required by a bound in `serialization::b9_serialize`
[INFO] [stdout]    --> src/serialization.rs:19:54
[INFO] [stdout]     |
[INFO] [stdout]  19 | pub fn b9_serialize(mode: SerializationMode, k: impl AsRef<Any>) -> Result<KBox<List<u8>>, KBox<KError>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ required by this bound in `b9_serialize`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout]  63 -         let bytes = b9_serialize(SerializationMode::Compress, l.as_ref()).unwrap();
[INFO] [stdout]  63 +         let bytes = b9_serialize(SerializationMode::Compress, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing this method call, as the receiver has type `kbox::KBox<list::List<i32>>` and `kbox::KBox<list::List<i32>>: AsRef<any::Any>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout]  63 -         let bytes = b9_serialize(SerializationMode::Compress, l.as_ref()).unwrap();
[INFO] [stdout]  63 +         let bytes = b9_serialize(SerializationMode::Compress, l).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/k_error.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut err = KBox::new_atom(symbol(msg)).into_raw() as *mut K;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kdb` (lib test) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/k_error.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut err = KBox::new_atom(symbol(msg)).into_raw() as *mut K;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attr` is never constructed
[INFO] [stdout]    --> src/k.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Attr(u8);
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sorted`, `unique`, `partioned`, and `grouped` are never used
[INFO] [stdout]    --> src/k.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Attr {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 104 |     pub fn sorted(self) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn unique(self) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn partioned(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn grouped(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<T::ListItem> {
[INFO] [stdout]    |                 ^^^^^     ----------------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<'_, T::ListItem> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter_mut(&mut self) -> IterMut<T::ListItem> {
[INFO] [stdout]    |                     ^^^^^^^^^     -------------------- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter_mut(&mut self) -> IterMut<'_, T::ListItem> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66f166feec1f0d7bbbfae57d107753737437f54c316f4c74e167ef6cb6122501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f166feec1f0d7bbbfae57d107753737437f54c316f4c74e167ef6cb6122501", kill_on_drop: false }`
[INFO] [stdout] 66f166feec1f0d7bbbfae57d107753737437f54c316f4c74e167ef6cb6122501