[INFO] fetching crate exist 0.1.2...
[INFO] extracting crate exist 0.1.2 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/exist/0.1.2
[INFO] extracting crate exist 0.1.2 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/exist/0.1.2
[INFO] validating manifest of exist-0.1.2 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of exist-0.1.2 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing exist-0.1.2
[INFO] finished frobbing exist-0.1.2
[INFO] frobbed toml for exist-0.1.2 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/exist/0.1.2/Cargo.toml
[INFO] started frobbing exist-0.1.2
[INFO] finished frobbing exist-0.1.2
[INFO] frobbed toml for exist-0.1.2 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/exist/0.1.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking exist-0.1.2 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/exist/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 87f8f0b5efd8e77d47a64fde350228224355a3646acf4e616946b67640e7ce09
[INFO] running `"docker" "start" "-a" "87f8f0b5efd8e77d47a64fde350228224355a3646acf4e616946b67640e7ce09"`
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking bincode v1.1.3
[INFO] [stderr]     Checking exist v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: 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 Trait>::Value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(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] warning: 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 Trait>::Value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(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] warning: constant item is never used: `BYTE_PATTERN_TEMPLATE_MARKER`
[INFO] [stderr]   --> src/prefix_encoding.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | const BYTE_PATTERN_TEMPLATE_MARKER: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TREE_TEMPLATE_MARKER`
[INFO] [stderr]   --> src/prefix_encoding.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | const TREE_TEMPLATE_MARKER: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEMPLATE_USE_SEQUENCE_MARKER`
[INFO] [stderr]    --> src/prefix_encoding.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | const TEMPLATE_USE_SEQUENCE_MARKER: u8 = 5;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Shape`
[INFO] [stderr]    --> src/prefix_encoding.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | struct Shape {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_shape`
[INFO] [stderr]    --> src/prefix_encoding.rs:180:1
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn get_shape<TView: View<Value = u8>>(view: TView) -> Shape {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ShapeState`
[INFO] [stderr]    --> src/prefix_encoding.rs:204:1
[INFO] [stderr]     |
[INFO] [stderr] 204 | struct ShapeState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `size`
[INFO] [stderr]  --> src/leaf_tree_template.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     size: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `offset`
[INFO] [stderr]   --> src/leaf_tree_template.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     offset: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 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 Trait>::Value`
[INFO] [stderr]    |
[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] warning: constant item is never used: `BYTE_PATTERN_TEMPLATE_MARKER`
[INFO] [stderr]   --> src/prefix_encoding.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | const BYTE_PATTERN_TEMPLATE_MARKER: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TREE_TEMPLATE_MARKER`
[INFO] [stderr]   --> src/prefix_encoding.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | const TREE_TEMPLATE_MARKER: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEMPLATE_USE_SEQUENCE_MARKER`
[INFO] [stderr]    --> src/prefix_encoding.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | const TEMPLATE_USE_SEQUENCE_MARKER: u8 = 5;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Shape`
[INFO] [stderr]    --> src/prefix_encoding.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | struct Shape {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_shape`
[INFO] [stderr]    --> src/prefix_encoding.rs:180:1
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn get_shape<TView: View<Value = u8>>(view: TView) -> Shape {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ShapeState`
[INFO] [stderr]    --> src/prefix_encoding.rs:204:1
[INFO] [stderr]     |
[INFO] [stderr] 204 | struct ShapeState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `size`
[INFO] [stderr]  --> src/leaf_tree_template.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     size: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `offset`
[INFO] [stderr]   --> src/leaf_tree_template.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     offset: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 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 Trait>::Value`
[INFO] [stderr]    |
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "87f8f0b5efd8e77d47a64fde350228224355a3646acf4e616946b67640e7ce09"`
[INFO] running `"docker" "rm" "-f" "87f8f0b5efd8e77d47a64fde350228224355a3646acf4e616946b67640e7ce09"`
[INFO] [stdout] 87f8f0b5efd8e77d47a64fde350228224355a3646acf4e616946b67640e7ce09