[INFO] cloning repository https://github.com/importstring/Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/importstring/Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportstring%2FLearning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportstring%2FLearning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ec8e4ff853d116a4d5521f226313ea38c64fba8
[INFO] fixing importstring/Learning-Rust against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportstring%2FLearning-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/importstring/Learning-Rust
[INFO] finished tweaking git repo https://github.com/importstring/Learning-Rust
[INFO] tweaked toml for git repo https://github.com/importstring/Learning-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/importstring/Learning-Rust on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/importstring/Learning-Rust 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d
[INFO] running `Command { std: "docker" "start" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking nninrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let db = 
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let dX = 
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]    --> src/main.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |         }
[INFO] [stdout]     |          ^ help: add `;` here
[INFO] [stdout] 206 |     }
[INFO] [stdout]     |     - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn dense_backward(
[INFO] [stdout]     |            -------------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 175 |     ) -> DenseGrads {
[INFO] [stdout]     |          ^^^^^^^^^^ expected `DenseGrads`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nninrust` (bin "nninrust") due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let db = 
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let dX = 
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]    --> src/main.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |         }
[INFO] [stdout]     |          ^ help: add `;` here
[INFO] [stdout] 206 |     }
[INFO] [stdout]     |     - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn dense_backward(
[INFO] [stdout]     |            -------------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 175 |     ) -> DenseGrads {
[INFO] [stdout]     |          ^^^^^^^^^^ expected `DenseGrads`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nninrust` (bin "nninrust" test) due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d", kill_on_drop: false }`
[INFO] [stdout] 4916a38c74f292d115c85f761d7a366712b665c6697d5afc80f77010fddd075d
