[INFO] cloning repository https://github.com/timboe/rust_perceptron [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timboe/rust_perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimboe%2Frust_perceptron", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimboe%2Frust_perceptron'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f65e03d5250d4be622afffecb756a973efaf7bf2 [INFO] checking timboe/rust_perceptron against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimboe%2Frust_perceptron" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timboe/rust_perceptron on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/timboe/rust_perceptron [INFO] finished tweaking git repo https://github.com/timboe/rust_perceptron [INFO] tweaked toml for git repo https://github.com/timboe/rust_perceptron written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/timboe/rust_perceptron already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.49 [INFO] [stderr] Downloaded mindtree_utils v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6589aea71a4a89cbc23385612a7acbd17ec061950066b57c29a094e0c379f8bd [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" "6589aea71a4a89cbc23385612a7acbd17ec061950066b57c29a094e0c379f8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6589aea71a4a89cbc23385612a7acbd17ec061950066b57c29a094e0c379f8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6589aea71a4a89cbc23385612a7acbd17ec061950066b57c29a094e0c379f8bd", kill_on_drop: false }` [INFO] [stdout] 6589aea71a4a89cbc23385612a7acbd17ec061950066b57c29a094e0c379f8bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 063df79e5947b7f45a07b84e0e1a9ee8ab78f09ab2033d162a2ac0ae80dcc5b9 [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" "063df79e5947b7f45a07b84e0e1a9ee8ab78f09ab2033d162a2ac0ae80dcc5b9", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking mindtree_utils v0.4.0 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking rust_perceptron v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cost` [INFO] [stdout] --> src/main.rs:243:13 [INFO] [stdout] | [INFO] [stdout] 243 | let cost = network.apply(&mut response, answers.get(label).unwrap()); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cost` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertex` [INFO] [stdout] --> src/main.rs:128:17 [INFO] [stdout] | [INFO] [stdout] 128 | for (index, vertex) in self.layers.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | let mut iter = response.get_output_layer().iter().zip( answer.iter() ); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_ref` [INFO] [stdout] --> src/main.rs:170:10 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn as_ref(&self) -> &Vector { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_ref` [INFO] [stdout] --> src/main.rs:185:10 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn as_ref(&self) -> &Matrix { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cost` [INFO] [stdout] --> src/main.rs:243:13 [INFO] [stdout] | [INFO] [stdout] 243 | let cost = network.apply(&mut response, answers.get(label).unwrap()); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cost` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertex` [INFO] [stdout] --> src/main.rs:128:17 [INFO] [stdout] | [INFO] [stdout] 128 | for (index, vertex) in self.layers.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | let mut iter = response.get_output_layer().iter().zip( answer.iter() ); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_ref` [INFO] [stdout] --> src/main.rs:170:10 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn as_ref(&self) -> &Vector { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_ref` [INFO] [stdout] --> src/main.rs:185:10 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn as_ref(&self) -> &Matrix { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.75s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "063df79e5947b7f45a07b84e0e1a9ee8ab78f09ab2033d162a2ac0ae80dcc5b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "063df79e5947b7f45a07b84e0e1a9ee8ab78f09ab2033d162a2ac0ae80dcc5b9", kill_on_drop: false }` [INFO] [stdout] 063df79e5947b7f45a07b84e0e1a9ee8ab78f09ab2033d162a2ac0ae80dcc5b9