[INFO] cloning repository https://github.com/bbehnkeSE/rusty_nn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbehnkeSE/rusty_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbbehnkeSE%2Frusty_nn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbbehnkeSE%2Frusty_nn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e09739383077fea8b1aa0849aaff93e7db1ba94d [INFO] checking bbehnkeSE/rusty_nn against try#5ff93158e08fa2205cd4b86cddf9eae95952cc96 for pr-129543-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbbehnkeSE%2Frusty_nn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bbehnkeSE/rusty_nn [INFO] finished tweaking git repo https://github.com/bbehnkeSE/rusty_nn [INFO] tweaked toml for git repo https://github.com/bbehnkeSE/rusty_nn written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bbehnkeSE/rusty_nn on toolchain 5ff93158e08fa2205cd4b86cddf9eae95952cc96 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bbehnkeSE/rusty_nn 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" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4f7e48fb25e1bda74f7e0f0c1ef06e48e33bb21cf2721cd38a5da56825d8a15 [INFO] running `Command { std: "docker" "start" "-a" "b4f7e48fb25e1bda74f7e0f0c1ef06e48e33bb21cf2721cd38a5da56825d8a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4f7e48fb25e1bda74f7e0f0c1ef06e48e33bb21cf2721cd38a5da56825d8a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4f7e48fb25e1bda74f7e0f0c1ef06e48e33bb21cf2721cd38a5da56825d8a15", kill_on_drop: false }` [INFO] [stdout] b4f7e48fb25e1bda74f7e0f0c1ef06e48e33bb21cf2721cd38a5da56825d8a15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 119f3d8a4df47d0413347227f9163344fb8227a8be6650df71506e6a6d93e85c [INFO] running `Command { std: "docker" "start" "-a" "119f3d8a4df47d0413347227f9163344fb8227a8be6650df71506e6a6d93e85c", kill_on_drop: false }` [INFO] [stderr] Checking rusty_nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0782]: expected a type, found a trait [INFO] [stdout] --> src/lib.rs:73:29 [INFO] [stdout] | [INFO] [stdout] 73 | self.set_backward::(|| { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object [INFO] [stdout] | [INFO] [stdout] 73 | self.set_backward::(|| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | fn mul(mut self, rhs: Self) -> Val { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0782`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty_nn` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0782]: expected a type, found a trait [INFO] [stdout] --> src/lib.rs:73:29 [INFO] [stdout] | [INFO] [stdout] 73 | self.set_backward::(|| { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object [INFO] [stdout] | [INFO] [stdout] 73 | self.set_backward::(|| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `backward` found for struct `Val` in the current scope [INFO] [stdout] --> src/lib.rs:597:15 [INFO] [stdout] | [INFO] [stdout] 15 | struct Val { [INFO] [stdout] | ---------- method `backward` not found for this struct [INFO] [stdout] ... [INFO] [stdout] 597 | o.backward(); [INFO] [stdout] | ^^^^^^^^-- help: remove the arguments [INFO] [stdout] | | [INFO] [stdout] | field, not a method [INFO] [stdout] | [INFO] [stdout] help: there is a method `set_backward` with a similar name, but with different arguments [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | / fn set_backward(&mut self, func: F) [INFO] [stdout] 34 | | where F: Fn() + 'static, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | fn mul(mut self, rhs: Self) -> Val { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0782. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty_nn` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "119f3d8a4df47d0413347227f9163344fb8227a8be6650df71506e6a6d93e85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "119f3d8a4df47d0413347227f9163344fb8227a8be6650df71506e6a6d93e85c", kill_on_drop: false }` [INFO] [stdout] 119f3d8a4df47d0413347227f9163344fb8227a8be6650df71506e6a6d93e85c