[INFO] cloning repository https://github.com/spacecowboy/scarecrow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacecowboy/scarecrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacecowboy%2Fscarecrow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacecowboy%2Fscarecrow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11e5df59b4460880f77b1bdf601966debb30643a [INFO] checking spacecowboy/scarecrow against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacecowboy%2Fscarecrow" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/spacecowboy/scarecrow on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/spacecowboy/scarecrow [INFO] finished tweaking git repo https://github.com/spacecowboy/scarecrow [INFO] tweaked toml for git repo https://github.com/spacecowboy/scarecrow written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/spacecowboy/scarecrow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4b547da765cf443da915bd6581bc0ce012499496b9bf1a8db09335ed0be0ff4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c4b547da765cf443da915bd6581bc0ce012499496b9bf1a8db09335ed0be0ff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4b547da765cf443da915bd6581bc0ce012499496b9bf1a8db09335ed0be0ff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4b547da765cf443da915bd6581bc0ce012499496b9bf1a8db09335ed0be0ff4", kill_on_drop: false }` [INFO] [stdout] c4b547da765cf443da915bd6581bc0ce012499496b9bf1a8db09335ed0be0ff4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 350c91e7fbcdd8c850e10db27c135f6b7384117951f4ce4f60cdf11c724fa24b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "350c91e7fbcdd8c850e10db27c135f6b7384117951f4ce4f60cdf11c724fa24b", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking scarecrow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traits.rs:108:49 [INFO] [stdout] | [INFO] [stdout] 108 | fn train(&self, layers: &mut LinkedList>, inputs: &[f32], targets: &[f32]); [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | pub loss: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DifferentiableLossFunction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:28:39 [INFO] [stdout] | [INFO] [stdout] 28 | fn weight_step(&self, layer: &Box, inputs: &[f32], delta: &[f32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:44:37 [INFO] [stdout] | [INFO] [stdout] 44 | fn bias_step(&self, layer: &Box, delta: &[f32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:55:49 [INFO] [stdout] | [INFO] [stdout] 55 | fn train(&self, layers: &mut LinkedList>, inputs: &[f32], targets: &[f32]) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traits.rs:108:49 [INFO] [stdout] | [INFO] [stdout] 108 | fn train(&self, layers: &mut LinkedList>, inputs: &[f32], targets: &[f32]); [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | pub loss: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DifferentiableLossFunction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:28:39 [INFO] [stdout] | [INFO] [stdout] 28 | fn weight_step(&self, layer: &Box, inputs: &[f32], delta: &[f32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:44:37 [INFO] [stdout] | [INFO] [stdout] 44 | fn bias_step(&self, layer: &Box, delta: &[f32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sgd.rs:55:49 [INFO] [stdout] | [INFO] [stdout] 55 | fn train(&self, layers: &mut LinkedList>, inputs: &[f32], targets: &[f32]) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/sgd.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | let mut layers: LinkedList> = LinkedList::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn WeightedLayer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "350c91e7fbcdd8c850e10db27c135f6b7384117951f4ce4f60cdf11c724fa24b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "350c91e7fbcdd8c850e10db27c135f6b7384117951f4ce4f60cdf11c724fa24b", kill_on_drop: false }` [INFO] [stdout] 350c91e7fbcdd8c850e10db27c135f6b7384117951f4ce4f60cdf11c724fa24b