[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#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacecowboy%2Fscarecrow" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/spacecowboy/scarecrow 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 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-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ca3c921ce3ea4c9cf2a13d25cf74bac5305fcad9c3ffff4a5a18a09a52b43669 [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" "ca3c921ce3ea4c9cf2a13d25cf74bac5305fcad9c3ffff4a5a18a09a52b43669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca3c921ce3ea4c9cf2a13d25cf74bac5305fcad9c3ffff4a5a18a09a52b43669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca3c921ce3ea4c9cf2a13d25cf74bac5305fcad9c3ffff4a5a18a09a52b43669", kill_on_drop: false }` [INFO] [stdout] ca3c921ce3ea4c9cf2a13d25cf74bac5305fcad9c3ffff4a5a18a09a52b43669 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 97ed71b51fa774c3f9db5c7fd79b4078c97bc305060e437d588662d84b481d5e [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" "97ed71b51fa774c3f9db5c7fd79b4078c97bc305060e437d588662d84b481d5e", kill_on_drop: false }` [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 1.31s [INFO] running `Command { std: "docker" "inspect" "97ed71b51fa774c3f9db5c7fd79b4078c97bc305060e437d588662d84b481d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97ed71b51fa774c3f9db5c7fd79b4078c97bc305060e437d588662d84b481d5e", kill_on_drop: false }` [INFO] [stdout] 97ed71b51fa774c3f9db5c7fd79b4078c97bc305060e437d588662d84b481d5e