[INFO] crate exist 0.1.2 is already in cache
[INFO] checking exist-0.1.2 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate exist 0.1.2 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate exist 0.1.2 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exist 0.1.2
[INFO] finished tweaking crates.io crate exist 0.1.2
[INFO] tweaked toml for crates.io crate exist 0.1.2 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dedd9041fa59778b44cf198dd0ae3b0d36bfe35d31e431091fb921bcea895f67
[INFO] running `"docker" "start" "-a" "dedd9041fa59778b44cf198dd0ae3b0d36bfe35d31e431091fb921bcea895f67"`
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking exist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]   --> src/data_models/leaf_tree.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn visit<V: Visitor<Value = Self::Value>>(&self, v: &mut V) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<data_models::leaf_tree::concrete::Concrete<Value> as View>::Value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(ambiguous_associated_items)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Value` could refer to variant defined here
[INFO] [stderr]   --> src/data_models/leaf_tree.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Value(V),
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] note: `Value` could also refer to associated type defined here
[INFO] [stderr]   --> src/data_models/mod.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |             $(type $Items;)*
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/data_models/leaf_tree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | Visitable!(View, Visitor, Value);
[INFO] [stderr]    | --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `exist`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]   --> src/data_models/leaf_tree.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn visit<V: Visitor<Value = Self::Value>>(&self, v: &mut V) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<data_models::leaf_tree::concrete::Concrete<Value> as View>::Value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(ambiguous_associated_items)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Value` could refer to variant defined here
[INFO] [stderr]   --> src/data_models/leaf_tree.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Value(V),
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] note: `Value` could also refer to associated type defined here
[INFO] [stderr]   --> src/data_models/mod.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |             $(type $Items;)*
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/data_models/leaf_tree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | Visitable!(View, Visitor, Value);
[INFO] [stderr]    | --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `exist`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dedd9041fa59778b44cf198dd0ae3b0d36bfe35d31e431091fb921bcea895f67"`
[INFO] running `"docker" "rm" "-f" "dedd9041fa59778b44cf198dd0ae3b0d36bfe35d31e431091fb921bcea895f67"`
[INFO] [stdout] dedd9041fa59778b44cf198dd0ae3b0d36bfe35d31e431091fb921bcea895f67