[INFO] cloning repository https://github.com/jonkarrer/lang_classifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonkarrer/lang_classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkarrer%2Flang_classifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkarrer%2Flang_classifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c88374a1fb3c9fb2fcb6e7c6c7164282f6a626b
[INFO] checking jonkarrer/lang_classifier against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkarrer%2Flang_classifier" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/jonkarrer/lang_classifier
[INFO] finished tweaking git repo https://github.com/jonkarrer/lang_classifier
[INFO] tweaked toml for git repo https://github.com/jonkarrer/lang_classifier written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonkarrer/lang_classifier on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonkarrer/lang_classifier 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 983a8929f3bbf2b2eee0dff53e42a7a65158a5136f8975933e5454f7e2b9e140
[INFO] running `Command { std: "docker" "start" "-a" "983a8929f3bbf2b2eee0dff53e42a7a65158a5136f8975933e5454f7e2b9e140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "983a8929f3bbf2b2eee0dff53e42a7a65158a5136f8975933e5454f7e2b9e140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983a8929f3bbf2b2eee0dff53e42a7a65158a5136f8975933e5454f7e2b9e140", kill_on_drop: false }`
[INFO] [stdout] 983a8929f3bbf2b2eee0dff53e42a7a65158a5136f8975933e5454f7e2b9e140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b9b9ba712ea7645f5a50311ec71a190a07579cc0d8313e55bfca3529c8548b
[INFO] running `Command { std: "docker" "start" "-a" "b6b9b9ba712ea7645f5a50311ec71a190a07579cc0d8313e55bfca3529c8548b", kill_on_drop: false }`
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[INFO] [stderr]     Checking burn v0.13.2
[INFO] [stderr]     Checking lang_classifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::data_prep::ClassifiedDataset`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::data_prep::ClassifiedDataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_prep::PatentRecord`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use data_prep::PatentRecord;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data_prep::ClassifiedDataset`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::data_prep::ClassifiedDataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_prep::PatentRecord`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use data_prep::PatentRecord;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devices`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let devices = vec![WgpuDevice::default()];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_devices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let config = ExperimentConfig::new(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_training_experiment` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn start_training_experiment() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatentRecord` is never constructed
[INFO] [stdout]  --> src/data_prep/gather.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PatentRecord {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `training_set` and `test_set` are never used
[INFO] [stdout]   --> src/data_prep/gather.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ClassifiedDataset {
[INFO] [stdout]    | ---------------------- associated functions in this implementation
[INFO] [stdout] 37 |     // Gather the training set of data
[INFO] [stdout] 38 |     pub fn training_set() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn test_set() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/data_prep/tokenizer.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl BertCaseTokenizer {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn decode(&self, tokens: &[usize]) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]   --> src/training.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn train<B: AutodiffBackend>(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devices`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let devices = vec![WgpuDevice::default()];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_devices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let config = ExperimentConfig::new(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_training_experiment` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn start_training_experiment() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatentRecord` is never constructed
[INFO] [stdout]  --> src/data_prep/gather.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PatentRecord {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `training_set` and `test_set` are never used
[INFO] [stdout]   --> src/data_prep/gather.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ClassifiedDataset {
[INFO] [stdout]    | ---------------------- associated functions in this implementation
[INFO] [stdout] 37 |     // Gather the training set of data
[INFO] [stdout] 38 |     pub fn training_set() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn test_set() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/data_prep/tokenizer.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl BertCaseTokenizer {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn decode(&self, tokens: &[usize]) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]   --> src/training.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn train<B: AutodiffBackend>(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.53s
[INFO] running `Command { std: "docker" "inspect" "b6b9b9ba712ea7645f5a50311ec71a190a07579cc0d8313e55bfca3529c8548b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b9b9ba712ea7645f5a50311ec71a190a07579cc0d8313e55bfca3529c8548b", kill_on_drop: false }`
[INFO] [stdout] b6b9b9ba712ea7645f5a50311ec71a190a07579cc0d8313e55bfca3529c8548b
