[INFO] cloning repository https://github.com/Lucas8448/neural-nets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lucas8448/neural-nets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas8448%2Fneural-nets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas8448%2Fneural-nets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2970a658a5b470560f717b9530af6880539cec66
[INFO] testing Lucas8448/neural-nets against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas8448%2Fneural-nets" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lucas8448/neural-nets
[INFO] finished tweaking git repo https://github.com/Lucas8448/neural-nets
[INFO] tweaked toml for git repo https://github.com/Lucas8448/neural-nets written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lucas8448/neural-nets on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lucas8448/neural-nets 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8156950fc84708e7ab10061cb9c2b72d4696371001c124fc363e701ce0f2c04b
[INFO] running `Command { std: "docker" "start" "-a" "8156950fc84708e7ab10061cb9c2b72d4696371001c124fc363e701ce0f2c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8156950fc84708e7ab10061cb9c2b72d4696371001c124fc363e701ce0f2c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8156950fc84708e7ab10061cb9c2b72d4696371001c124fc363e701ce0f2c04b", kill_on_drop: false }`
[INFO] [stdout] 8156950fc84708e7ab10061cb9c2b72d4696371001c124fc363e701ce0f2c04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c1b51b1f3c2aca23c28d851ce96aab8e38db2b421d89fbcae41df7766428c266
[INFO] running `Command { std: "docker" "start" "-a" "c1b51b1f3c2aca23c28d851ce96aab8e38db2b421d89fbcae41df7766428c266", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-nets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `dL_db` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let dL_db = -2.0 * err;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dw` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let dL_dw = -2.0 * x * err;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dw` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_db` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stdout]    |                 ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vocab` is never read
[INFO] [stdout]   --> src/bin/next_token_prediction.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct BpeTokenizer {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     vocab: HashMap<Vec<u8>, usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c1b51b1f3c2aca23c28d851ce96aab8e38db2b421d89fbcae41df7766428c266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b51b1f3c2aca23c28d851ce96aab8e38db2b421d89fbcae41df7766428c266", kill_on_drop: false }`
[INFO] [stdout] c1b51b1f3c2aca23c28d851ce96aab8e38db2b421d89fbcae41df7766428c266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 73c01f5561b731e3f460305ca923613d4aa9f673f214a3213e5d18ba934b0550
[INFO] running `Command { std: "docker" "start" "-a" "73c01f5561b731e3f460305ca923613d4aa9f673f214a3213e5d18ba934b0550", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-nets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `dL_db` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let dL_db = -2.0 * err;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dw` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let dL_dw = -2.0 * x * err;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dw` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_db` should have a snake case name
[INFO] [stdout]   --> src/bin/linear_regression.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stdout]    |                 ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vocab` is never read
[INFO] [stdout]   --> src/bin/next_token_prediction.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct BpeTokenizer {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     vocab: HashMap<Vec<u8>, usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "73c01f5561b731e3f460305ca923613d4aa9f673f214a3213e5d18ba934b0550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c01f5561b731e3f460305ca923613d4aa9f673f214a3213e5d18ba934b0550", kill_on_drop: false }`
[INFO] [stdout] 73c01f5561b731e3f460305ca923613d4aa9f673f214a3213e5d18ba934b0550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] f749af26f38e594d7ff5d63ceabe74f2d5715b6fad2e91806d9611231ce21203
[INFO] running `Command { std: "docker" "start" "-a" "f749af26f38e594d7ff5d63ceabe74f2d5715b6fad2e91806d9611231ce21203", kill_on_drop: false }`
[INFO] [stderr] warning: field `vocab` is never read
[INFO] [stderr]   --> src/bin/next_token_prediction.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 90 | struct BpeTokenizer {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 99 |     vocab: HashMap<Vec<u8>, usize>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `neural-nets` (bin "next_token_prediction" test) generated 1 warning
[INFO] [stderr] warning: variable `dL_db` should have a snake case name
[INFO] [stderr]   --> src/bin/linear_regression.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let dL_db = -2.0 * err;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dL_dw` should have a snake case name
[INFO] [stderr]   --> src/bin/linear_regression.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let dL_dw = -2.0 * x * err;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dL_dw` should have a snake case name
[INFO] [stderr]   --> src/bin/linear_regression.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stderr]    |          ^^^^^ help: convert the identifier to snake case: `d_l_dw`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dL_db` should have a snake case name
[INFO] [stderr]   --> src/bin/linear_regression.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (dL_dw, dL_db) = gradients_one(x, y, *w, *b);
[INFO] [stderr]    |                 ^^^^^ help: convert the identifier to snake case: `d_l_db`
[INFO] [stderr] 
[INFO] [stderr] warning: `neural-nets` (bin "linear_regression" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/linear_regression.rs (/opt/rustwide/target/debug/build/neural-nets/e00f4c1574aaf3a8/deps/linear_regression-e00f4c1574aaf3a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/next_token_prediction.rs (/opt/rustwide/target/debug/build/neural-nets/510e70825ed4c9cd/deps/next_token_prediction-510e70825ed4c9cd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f749af26f38e594d7ff5d63ceabe74f2d5715b6fad2e91806d9611231ce21203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f749af26f38e594d7ff5d63ceabe74f2d5715b6fad2e91806d9611231ce21203", kill_on_drop: false }`
[INFO] [stdout] f749af26f38e594d7ff5d63ceabe74f2d5715b6fad2e91806d9611231ce21203