[INFO] fetching crate nncombinator 0.9.0...
[INFO] checking nncombinator-0.9.0 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate nncombinator 0.9.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate nncombinator 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nncombinator 0.9.0
[INFO] tweaked toml for crates.io crate nncombinator 0.9.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nncombinator 0.9.0 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.10)
[INFO] [stderr]       Adding mnist v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rand_xorshift v0.3.0 (available: v0.5.0)
[INFO] [stderr]       Adding statrs v0.15.0 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaaafe2f5cbd60b4059526eec8cf7eb2157a3234cd1cdd54ec4ceb984b1a72e4
[INFO] running `Command { std: "docker" "start" "-a" "aaaafe2f5cbd60b4059526eec8cf7eb2157a3234cd1cdd54ec4ceb984b1a72e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaaafe2f5cbd60b4059526eec8cf7eb2157a3234cd1cdd54ec4ceb984b1a72e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaaafe2f5cbd60b4059526eec8cf7eb2157a3234cd1cdd54ec4ceb984b1a72e4", kill_on_drop: false }`
[INFO] [stdout] aaaafe2f5cbd60b4059526eec8cf7eb2157a3234cd1cdd54ec4ceb984b1a72e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2265efab1c40a437f021aada2e03bd2211f9c8131d6df3161a683cd29dc74024
[INFO] running `Command { std: "docker" "start" "-a" "2265efab1c40a437f021aada2e03bd2211f9c8131d6df3161a683cd29dc74024", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cuda-config v0.1.0
[INFO] [stderr]    Compiling rcublas-sys v0.5.0
[INFO] [stderr]    Compiling rcudnn-sys v0.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]    Compiling cuda-runtime-sys v0.3.0-alpha.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling nncombinator v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rcudnn v1.8.0
[INFO] [stderr]     Checking rcublas v0.6.0
[INFO] [stdout] error[E0271]: type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]     --> src/layer/linear.rs:1042:41
[INFO] [stdout]      |
[INFO] [stdout] 1025 | impl<U,C,BC,P,D,OP,I,const NI:usize,const NO:usize> BackwardAll<U> for DiffLinearLayer<U,C,BC,P,OP,D,I,NI,NO>
[INFO] [stdout]      |          -- found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 1042 |           Self: ForwardAll + PreTrain<U,OutStack=Cons<<P as PreTrain<U>>::OutStack,BC>> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]      |
[INFO] [stdout] note: expected this to be `<DiffLinearLayer<U, C, BC, P, OP, D, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]     --> src/lib.rs:84:17
[INFO] [stdout]      |
[INFO] [stdout]   84 |     type Head = T;
[INFO] [stdout]      |                 ^
[INFO] [stdout]      = note: expected associated type `<DiffLinearLayer<U, C, BC, P, OP, D, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]                  found type parameter `BC`
[INFO] [stdout]      = note: you might be missing a type parameter or trait bound
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/nncombinator-8f2416babe3249f5.long-type-13397244408892704665.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]     --> src/layer/linear.rs:1096:28
[INFO] [stdout]      |
[INFO] [stdout] 1096 |           Self: PreTrain<U,OutStack=Cons<<P as PreTrain<U>>::OutStack,Arr<U,NO>>> {
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]      |
[INFO] [stdout] note: expected this to be `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]     --> src/lib.rs:84:17
[INFO] [stdout]      |
[INFO] [stdout]   84 |     type Head = T;
[INFO] [stdout]      |                 ^
[INFO] [stdout]      = note: expected associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]                          found struct `arr::Arr<U, NO>`
[INFO] [stdout]      = help: consider constraining the associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput` to `arr::Arr<U, NO>`
[INFO] [stdout]      = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/nncombinator-8f2416babe3249f5.long-type-14457035974139478794.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]     --> src/layer/linear.rs:1112:28
[INFO] [stdout]      |
[INFO] [stdout] 1112 |           Self: PreTrain<U,OutStack=Cons<<P as PreTrain<U>>::OutStack,CudaTensor1dPtr<U,NO>>> {
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]      |
[INFO] [stdout] note: expected this to be `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]     --> src/lib.rs:84:17
[INFO] [stdout]      |
[INFO] [stdout]   84 |     type Head = T;
[INFO] [stdout]      |                 ^
[INFO] [stdout]      = note: expected associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]                          found struct `CudaTensor1dPtr<U, NO>`
[INFO] [stdout]      = help: consider constraining the associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput` to `CudaTensor1dPtr<U, NO>`
[INFO] [stdout]      = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/nncombinator-8f2416babe3249f5.long-type-7206389934711591224.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]     --> src/layer/linear.rs:1096:28
[INFO] [stdout]      |
[INFO] [stdout] 1096 |           Self: PreTrain<U,OutStack=Cons<<P as PreTrain<U>>::OutStack,Arr<U,NO>>> {
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]      |
[INFO] [stdout] note: expected this to be `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]     --> src/lib.rs:84:17
[INFO] [stdout]      |
[INFO] [stdout]   84 |     type Head = T;
[INFO] [stdout]      |                 ^
[INFO] [stdout]      = note: expected associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]                          found struct `arr::Arr<U, NO>`
[INFO] [stdout]      = help: consider constraining the associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput` to `arr::Arr<U, NO>` or calling a method that returns `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceCpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]      = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/nncombinator-8f2416babe3249f5.long-type-14457035974139478794.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]     --> src/layer/linear.rs:1112:28
[INFO] [stdout]      |
[INFO] [stdout] 1112 |           Self: PreTrain<U,OutStack=Cons<<P as PreTrain<U>>::OutStack,CudaTensor1dPtr<U,NO>>> {
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Cons<..., ...> as Stack>::Head == <... as PreTrain<...>>::PreOutput`
[INFO] [stdout]      |
[INFO] [stdout] note: expected this to be `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]     --> src/lib.rs:84:17
[INFO] [stdout]      |
[INFO] [stdout]   84 |     type Head = T;
[INFO] [stdout]      |                 ^
[INFO] [stdout]      = note: expected associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]                          found struct `CudaTensor1dPtr<U, NO>`
[INFO] [stdout]      = help: consider constraining the associated type `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput` to `CudaTensor1dPtr<U, NO>` or calling a method that returns `<DiffLinearLayer<U, C, BC, P, OP, device::DeviceGpu<U>, I, NI, NO> as PreTrain<U>>::PreOutput`
[INFO] [stdout]      = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/nncombinator-8f2416babe3249f5.long-type-7206389934711591224.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nncombinator` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2265efab1c40a437f021aada2e03bd2211f9c8131d6df3161a683cd29dc74024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2265efab1c40a437f021aada2e03bd2211f9c8131d6df3161a683cd29dc74024", kill_on_drop: false }`
[INFO] [stdout] 2265efab1c40a437f021aada2e03bd2211f9c8131d6df3161a683cd29dc74024