[INFO] fetching crate kdb 0.3.0...
[INFO] checking kdb-0.3.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate kdb 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate kdb 0.3.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b700a17c6f642dc7d0964d090645fefdd97f12d60b0e96150a32d0395ed9be49
[INFO] running `Command { std: "docker" "start" "-a" "b700a17c6f642dc7d0964d090645fefdd97f12d60b0e96150a32d0395ed9be49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b700a17c6f642dc7d0964d090645fefdd97f12d60b0e96150a32d0395ed9be49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b700a17c6f642dc7d0964d090645fefdd97f12d60b0e96150a32d0395ed9be49", kill_on_drop: false }`
[INFO] [stdout] b700a17c6f642dc7d0964d090645fefdd97f12d60b0e96150a32d0395ed9be49
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 184c7fd9bf150a73055effebdea82ee6721db63e5e7e4a15db667e489bcc8297
[INFO] running `Command { std: "docker" "start" "-a" "184c7fd9bf150a73055effebdea82ee6721db63e5e7e4a15db667e489bcc8297", 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, <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] 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, <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] 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, <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] 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, <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] 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, <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] 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, <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] 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, <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] 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, <kbox::KBox<list::List<i32>> as AsRef<T>>::as_ref(&l)).unwrap();
[INFO] [stdout]     |                                                               +++++++++++++++++++++++++++++++++++++++++++++++++++ ~
[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
[INFO] running `Command { std: "docker" "inspect" "184c7fd9bf150a73055effebdea82ee6721db63e5e7e4a15db667e489bcc8297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184c7fd9bf150a73055effebdea82ee6721db63e5e7e4a15db667e489bcc8297", kill_on_drop: false }`
[INFO] [stdout] 184c7fd9bf150a73055effebdea82ee6721db63e5e7e4a15db667e489bcc8297