[INFO] fetching crate rose-graph 0.1.0...
[INFO] checking rose-graph-0.1.0 against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] extracting crate rose-graph 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rose-graph 0.1.0
[INFO] finished tweaking crates.io crate rose-graph 0.1.0
[INFO] tweaked toml for crates.io crate rose-graph 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rose-graph 0.1.0 on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a889ce63bb9f7c4133d32d00fde14678d9b31d94e94a7d940815b75a03eb0781
[INFO] running `Command { std: "docker" "start" "-a" "a889ce63bb9f7c4133d32d00fde14678d9b31d94e94a7d940815b75a03eb0781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a889ce63bb9f7c4133d32d00fde14678d9b31d94e94a7d940815b75a03eb0781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a889ce63bb9f7c4133d32d00fde14678d9b31d94e94a7d940815b75a03eb0781", kill_on_drop: false }`
[INFO] [stdout] a889ce63bb9f7c4133d32d00fde14678d9b31d94e94a7d940815b75a03eb0781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8137562bc83083a102d59a51e3f4343886e71519d18dcca3ed9da593b1c82eb
[INFO] running `Command { std: "docker" "start" "-a" "a8137562bc83083a102d59a51e3f4343886e71519d18dcca3ed9da593b1c82eb", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rose-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:476:50
[INFO] [stdout]     |
[INFO] [stdout] 476 |                         UiTreeItem::Folder(f) => Box::new(f.iter_paths(path)),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Chain<Once<(String, UiTreeItemRef<'_, T, F>)>, FlatMap<..., ..., ...>>`, got `dyn Iterator<Item = (std::string::String, UiTreeItemRef<'_, T, F>)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:469:10
[INFO] [stdout]     |
[INFO] [stdout] 469 |     ) -> impl Iterator<Item = (String, UiTreeItemRef<'_, T, F>)> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-11466211389661806752.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:457:46
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     UiTreeItem::Folder(f) => Box::new(f.iter()),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^ expected `Chain<Once<UiTreeItemRef<'_, T, F>>, FlatMap<..., ..., ...>>`, got `dyn Iterator<Item = UiTreeItemRef<'_, T, F>>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:453:27
[INFO] [stdout]     |
[INFO] [stdout] 453 |     pub fn iter(&self) -> impl Iterator<Item = UiTreeItemRef<'_, T, F>> {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-16845808550178330230.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 UiTreeItem::Folder(f) => Box::new(f.files()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ expected `FlatMap<Values<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = &T>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:399:28
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn files(&self) -> impl Iterator<Item = &'_ T> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-11979982930877824515.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:413:42
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 UiTreeItem::Folder(f) => Box::new(f.files_mut()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<ValuesMut<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = &mut T>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:410:36
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn files_mut(&mut self) -> impl Iterator<Item = &'_ mut T> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-2458149347639365342.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:425:42
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 UiTreeItem::Folder(f) => Box::new(f.files_paths(path)),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<Iter<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = (std::string::String, &T)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:421:53
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn files_paths(&self, base_path: String) -> impl Iterator<Item = (String, &'_ T)> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-7749678360542071132.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:440:42
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 UiTreeItem::Folder(f) => Box::new(f.files_paths_mut(path)),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<IterMut<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = (std::string::String, &mut T)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:436:10
[INFO] [stdout]     |
[INFO] [stdout] 436 |     ) -> impl Iterator<Item = (String, &'_ mut T)> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-2b9357007b26f11e.long-type-2976564806630802258.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:476:50
[INFO] [stdout]     |
[INFO] [stdout] 476 |                         UiTreeItem::Folder(f) => Box::new(f.iter_paths(path)),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Chain<Once<(String, UiTreeItemRef<'_, T, F>)>, FlatMap<..., ..., ...>>`, got `dyn Iterator<Item = (std::string::String, UiTreeItemRef<'_, T, F>)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:469:10
[INFO] [stdout]     |
[INFO] [stdout] 469 |     ) -> impl Iterator<Item = (String, UiTreeItemRef<'_, T, F>)> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-13006464428552182331.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:457:46
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     UiTreeItem::Folder(f) => Box::new(f.iter()),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^ expected `Chain<Once<UiTreeItemRef<'_, T, F>>, FlatMap<..., ..., ...>>`, got `dyn Iterator<Item = UiTreeItemRef<'_, T, F>>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:453:27
[INFO] [stdout]     |
[INFO] [stdout] 453 |     pub fn iter(&self) -> impl Iterator<Item = UiTreeItemRef<'_, T, F>> {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-12330283725461077354.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 UiTreeItem::Folder(f) => Box::new(f.files()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ expected `FlatMap<Values<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = &T>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:399:28
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn files(&self) -> impl Iterator<Item = &'_ T> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-4647848998348812376.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:413:42
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 UiTreeItem::Folder(f) => Box::new(f.files_mut()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<ValuesMut<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = &mut T>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:410:36
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn files_mut(&mut self) -> impl Iterator<Item = &'_ mut T> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-9700180265608226117.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:425:42
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 UiTreeItem::Folder(f) => Box::new(f.files_paths(path)),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<Iter<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = (std::string::String, &T)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:421:53
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn files_paths(&self, base_path: String) -> impl Iterator<Item = (String, &'_ T)> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-9451372821813671218.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: concrete type differs from previous defining opaque type use
[INFO] [stdout]    --> src/lib.rs:440:42
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 UiTreeItem::Folder(f) => Box::new(f.files_paths_mut(path)),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `FlatMap<IterMut<'_, String, Box<UiTreeItem<T, F>>>, Box<...>, ...>`, got `dyn Iterator<Item = (std::string::String, &mut T)>`
[INFO] [stdout]     |
[INFO] [stdout] note: previous use here
[INFO] [stdout]    --> src/lib.rs:436:10
[INFO] [stdout]     |
[INFO] [stdout] 436 |     ) -> impl Iterator<Item = (String, &'_ mut T)> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/rose_graph-12ee3e9085e28e18.long-type-9228045811498531423.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rose-graph` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rose-graph` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "a8137562bc83083a102d59a51e3f4343886e71519d18dcca3ed9da593b1c82eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8137562bc83083a102d59a51e3f4343886e71519d18dcca3ed9da593b1c82eb", kill_on_drop: false }`
[INFO] [stdout] a8137562bc83083a102d59a51e3f4343886e71519d18dcca3ed9da593b1c82eb