[INFO] cloning repository https://github.com/invpt/reiline [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/invpt/reiline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvpt%2Freiline", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvpt%2Freiline'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dae62975f00246c7473df029a683d266fb8bb27e [INFO] building invpt/reiline against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvpt%2Freiline" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/invpt/reiline on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/invpt/reiline [INFO] finished tweaking git repo https://github.com/invpt/reiline [INFO] tweaked toml for git repo https://github.com/invpt/reiline written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/invpt/reiline 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6004c149486a2622dd1d02543b626c082c73838a4ab4a2802e2889da95506367 [INFO] running `Command { std: "docker" "start" "-a" "6004c149486a2622dd1d02543b626c082c73838a4ab4a2802e2889da95506367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6004c149486a2622dd1d02543b626c082c73838a4ab4a2802e2889da95506367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6004c149486a2622dd1d02543b626c082c73838a4ab4a2802e2889da95506367", kill_on_drop: false }` [INFO] [stdout] 6004c149486a2622dd1d02543b626c082c73838a4ab4a2802e2889da95506367 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d0f657b758dd9b6be0f36b8e7a6c092365c87f7f47fdb1a132bc0bf76d83dcb [INFO] running `Command { std: "docker" "start" "-a" "3d0f657b758dd9b6be0f36b8e7a6c092365c87f7f47fdb1a132bc0bf76d83dcb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling reiline v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:255:5 [INFO] [stdout] | [INFO] [stdout] 241 | / loop { [INFO] [stdout] 242 | | train.shuffle(&mut rng); [INFO] [stdout] 243 | | [INFO] [stdout] 244 | | println!( [INFO] [stdout] ... | [INFO] [stdout] 251 | | driver.train(train.iter(), GradientDescentOptimizer::new(0.1), 32); [INFO] [stdout] 252 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 255 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/bitset.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a, T> BitSet<'a, T> { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn empty(mapping: &'a [T]) -> BitSet<'a, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `variables` and `driver` are never used [INFO] [stdout] --> src/nn.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Model { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn variables(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn driver(&self) -> ModelDriver<&Model> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `variables` is never used [INFO] [stdout] --> src/nn.rs:111:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Layer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn variables(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `model` and `model_mut` are never used [INFO] [stdout] --> src/nn.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 130 | / impl ModelDriver [INFO] [stdout] 131 | | where [INFO] [stdout] 132 | | M: Deref, [INFO] [stdout] | |_____________________________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 135 | pub fn model(&self) -> &Model { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn model_mut(&mut self) -> &mut Model [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `output` is never used [INFO] [stdout] --> src/nn.rs:264:12 [INFO] [stdout] | [INFO] [stdout] 262 | impl<'a> RecordedRunResult<'a> { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] 263 | /// The network's final output for the given input. [INFO] [stdout] 264 | pub fn output(&self) -> &[f32] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s [INFO] running `Command { std: "docker" "inspect" "3d0f657b758dd9b6be0f36b8e7a6c092365c87f7f47fdb1a132bc0bf76d83dcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0f657b758dd9b6be0f36b8e7a6c092365c87f7f47fdb1a132bc0bf76d83dcb", kill_on_drop: false }` [INFO] [stdout] 3d0f657b758dd9b6be0f36b8e7a6c092365c87f7f47fdb1a132bc0bf76d83dcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df6324c8d96c4a2b32ad8fc46d9603ccadedc36d38900e1799dc8a11f0e5e5eb [INFO] running `Command { std: "docker" "start" "-a" "df6324c8d96c4a2b32ad8fc46d9603ccadedc36d38900e1799dc8a11f0e5e5eb", kill_on_drop: false }` [INFO] [stderr] Compiling reiline v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:255:5 [INFO] [stdout] | [INFO] [stdout] 241 | / loop { [INFO] [stdout] 242 | | train.shuffle(&mut rng); [INFO] [stdout] 243 | | [INFO] [stdout] 244 | | println!( [INFO] [stdout] ... | [INFO] [stdout] 251 | | driver.train(train.iter(), GradientDescentOptimizer::new(0.1), 32); [INFO] [stdout] 252 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 255 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/bitset.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a, T> BitSet<'a, T> { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn empty(mapping: &'a [T]) -> BitSet<'a, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `variables` and `driver` are never used [INFO] [stdout] --> src/nn.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Model { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn variables(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn driver(&self) -> ModelDriver<&Model> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `variables` is never used [INFO] [stdout] --> src/nn.rs:111:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Layer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn variables(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `model` and `model_mut` are never used [INFO] [stdout] --> src/nn.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 130 | / impl ModelDriver [INFO] [stdout] 131 | | where [INFO] [stdout] 132 | | M: Deref, [INFO] [stdout] | |_____________________________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 135 | pub fn model(&self) -> &Model { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn model_mut(&mut self) -> &mut Model [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `output` is never used [INFO] [stdout] --> src/nn.rs:264:12 [INFO] [stdout] | [INFO] [stdout] 262 | impl<'a> RecordedRunResult<'a> { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] 263 | /// The network's final output for the given input. [INFO] [stdout] 264 | pub fn output(&self) -> &[f32] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "df6324c8d96c4a2b32ad8fc46d9603ccadedc36d38900e1799dc8a11f0e5e5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6324c8d96c4a2b32ad8fc46d9603ccadedc36d38900e1799dc8a11f0e5e5eb", kill_on_drop: false }` [INFO] [stdout] df6324c8d96c4a2b32ad8fc46d9603ccadedc36d38900e1799dc8a11f0e5e5eb