[INFO] cloning repository https://github.com/oliveira-caio/reconhecimento_letras [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oliveira-caio/reconhecimento_letras" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliveira-caio%2Freconhecimento_letras", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliveira-caio%2Freconhecimento_letras'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e3f95917586957193cae98f0ca39940ca916b1e [INFO] checking oliveira-caio/reconhecimento_letras against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foliveira-caio%2Freconhecimento_letras" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oliveira-caio/reconhecimento_letras on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oliveira-caio/reconhecimento_letras [INFO] finished tweaking git repo https://github.com/oliveira-caio/reconhecimento_letras [INFO] tweaked toml for git repo https://github.com/oliveira-caio/reconhecimento_letras written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/oliveira-caio/reconhecimento_letras already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc2d59f577971e9c974fa1d747ad3b4ad46fb4f33752f93df15838c86c2464d5 [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" "cc2d59f577971e9c974fa1d747ad3b4ad46fb4f33752f93df15838c86c2464d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc2d59f577971e9c974fa1d747ad3b4ad46fb4f33752f93df15838c86c2464d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc2d59f577971e9c974fa1d747ad3b4ad46fb4f33752f93df15838c86c2464d5", kill_on_drop: false }` [INFO] [stdout] cc2d59f577971e9c974fa1d747ad3b4ad46fb4f33752f93df15838c86c2464d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb68ed279a9eb1dc2daaf1d5f877b46f3d191dc9ca40438533d43bffc4c874cb [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" "cb68ed279a9eb1dc2daaf1d5f877b46f3d191dc9ca40438533d43bffc4c874cb", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking reconhecimento_letras v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vetor` [INFO] [stdout] --> src/main.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | fn feedforward(&self, vetor: &Vec) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_vetor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `training_data_shuffled` is never read [INFO] [stdout] --> src/main.rs:49:11 [INFO] [stdout] | [INFO] [stdout] 49 | let mut training_data_shuffled = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | let mut z = Vec::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vetor` [INFO] [stdout] --> src/main.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | fn feedforward(&self, vetor: &Vec) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_vetor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `training_data_shuffled` is never read [INFO] [stdout] --> src/main.rs:49:11 [INFO] [stdout] | [INFO] [stdout] 49 | let mut training_data_shuffled = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | let mut z = Vec::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `feedforward` [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | fn feedforward(&self, vetor: &Vec) -> Vec { [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: `evaluate` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | fn evaluate(&self, test_data: (Vec, Vec)) -> u16 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `argmax` [INFO] [stdout] --> src/main.rs:238:4 [INFO] [stdout] | [INFO] [stdout] 238 | fn argmax(vetor: &Vec) -> f32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `feedforward` [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | fn feedforward(&self, vetor: &Vec) -> Vec { [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: `evaluate` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | fn evaluate(&self, test_data: (Vec, Vec)) -> u16 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `argmax` [INFO] [stdout] --> src/main.rs:238:4 [INFO] [stdout] | [INFO] [stdout] 238 | fn argmax(vetor: &Vec) -> f32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.05s [INFO] running `Command { std: "docker" "inspect" "cb68ed279a9eb1dc2daaf1d5f877b46f3d191dc9ca40438533d43bffc4c874cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb68ed279a9eb1dc2daaf1d5f877b46f3d191dc9ca40438533d43bffc4c874cb", kill_on_drop: false }` [INFO] [stdout] cb68ed279a9eb1dc2daaf1d5f877b46f3d191dc9ca40438533d43bffc4c874cb