[INFO] fetching crate scarecrow 0.1.0... [INFO] checking scarecrow-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate scarecrow 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate scarecrow 0.1.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scarecrow 0.1.0 [INFO] finished tweaking crates.io crate scarecrow 0.1.0 [INFO] tweaked toml for crates.io crate scarecrow 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb8769880f6c953488185fced36c17a7eab2e31471ddc57eaf7cd027d459e114 [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" "eb8769880f6c953488185fced36c17a7eab2e31471ddc57eaf7cd027d459e114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb8769880f6c953488185fced36c17a7eab2e31471ddc57eaf7cd027d459e114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb8769880f6c953488185fced36c17a7eab2e31471ddc57eaf7cd027d459e114", kill_on_drop: false }` [INFO] [stdout] eb8769880f6c953488185fced36c17a7eab2e31471ddc57eaf7cd027d459e114 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee2909a6e31d76aea67dcb3aa012c0ace83afed15de2520fc1a76f1a5c13eed4 [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" "ee2909a6e31d76aea67dcb3aa012c0ace83afed15de2520fc1a76f1a5c13eed4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking scarecrow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | fn output(&self, &[f32]) -> Vec; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[f32]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:50:22 [INFO] [stdout] | [INFO] [stdout] 50 | fn derivw(&self, &[f32]) -> Option> { [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[f32]` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | fn loss1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:78:26 [INFO] [stdout] | [INFO] [stdout] 78 | fn loss1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:94:22 [INFO] [stdout] | [INFO] [stdout] 94 | fn deriv1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:94:27 [INFO] [stdout] | [INFO] [stdout] 94 | fn deriv1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | fn output(&self, &[f32]) -> Vec; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[f32]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:50:22 [INFO] [stdout] | [INFO] [stdout] 50 | fn derivw(&self, &[f32]) -> Option> { [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[f32]` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | fn loss1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:78:26 [INFO] [stdout] | [INFO] [stdout] 78 | fn loss1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:94:22 [INFO] [stdout] | [INFO] [stdout] 94 | fn deriv1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/traits.rs:94:27 [INFO] [stdout] | [INFO] [stdout] 94 | fn deriv1(&self, f32, f32) -> f32; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stdout] = note: for more information, see issue #41686 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.08s [INFO] running `Command { std: "docker" "inspect" "ee2909a6e31d76aea67dcb3aa012c0ace83afed15de2520fc1a76f1a5c13eed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee2909a6e31d76aea67dcb3aa012c0ace83afed15de2520fc1a76f1a5c13eed4", kill_on_drop: false }` [INFO] [stdout] ee2909a6e31d76aea67dcb3aa012c0ace83afed15de2520fc1a76f1a5c13eed4