[INFO] fetching crate rusty_math 0.7.0...
[INFO] building rusty_math-0.7.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rusty_math 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rusty_math 0.7.0
[INFO] finished tweaking crates.io crate rusty_math 0.7.0
[INFO] tweaked toml for crates.io crate rusty_math 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_math 0.7.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa1ddea210fd86866435a8335f390123c41eeb805f81b4ba13d675e4127efee
[INFO] running `Command { std: "docker" "start" "-a" "5aa1ddea210fd86866435a8335f390123c41eeb805f81b4ba13d675e4127efee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa1ddea210fd86866435a8335f390123c41eeb805f81b4ba13d675e4127efee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa1ddea210fd86866435a8335f390123c41eeb805f81b4ba13d675e4127efee", kill_on_drop: false }`
[INFO] [stdout] 5aa1ddea210fd86866435a8335f390123c41eeb805f81b4ba13d675e4127efee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4690f732865e02a24d1f847cf16ace7a1878e1cc497f0b6f65daeaa2f0fd783
[INFO] running `Command { std: "docker" "start" "-a" "e4690f732865e02a24d1f847cf16ace7a1878e1cc497f0b6f65daeaa2f0fd783", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty_math v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "e4690f732865e02a24d1f847cf16ace7a1878e1cc497f0b6f65daeaa2f0fd783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4690f732865e02a24d1f847cf16ace7a1878e1cc497f0b6f65daeaa2f0fd783", kill_on_drop: false }`
[INFO] [stdout] e4690f732865e02a24d1f847cf16ace7a1878e1cc497f0b6f65daeaa2f0fd783
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f9603a85294afc602e9a40a1753272e304909b3d95a0058b23b524dad7c569
[INFO] running `Command { std: "docker" "start" "-a" "75f9603a85294afc602e9a40a1753272e304909b3d95a0058b23b524dad7c569", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_math v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `preds`
[INFO] [stdout]     --> src/linear.rs:1054:13
[INFO] [stdout]      |
[INFO] [stdout] 1054 |         let preds = model.predict(&x_test);
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_preds`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]     --> src/linear.rs:1055:13
[INFO] [stdout]      |
[INFO] [stdout] 1055 |         let score = model.score(&x_test, &vec![0.0, 1.0,1.0,0.0]);
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights`
[INFO] [stdout]     --> src/linear.rs:1056:13
[INFO] [stdout]      |
[INFO] [stdout] 1056 |         let weights = model.get_weights();
[INFO] [stdout]      |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intercept`
[INFO] [stdout]     --> src/linear.rs:1057:13
[INFO] [stdout]      |
[INFO] [stdout] 1057 |         let intercept = model.get_intercept();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intercept`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_pred`
[INFO] [stdout]     --> src/linear.rs:1034:13
[INFO] [stdout]      |
[INFO] [stdout] 1034 |         let y_pred = model.predict(&x_test);
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]     --> src/linear.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |         let score = model.score(&x_test, &vec![6.0, 7.0]);
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]     --> src/linear.rs:1036:13
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let coefficients = model.weights();
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intercept`
[INFO] [stdout]     --> src/linear.rs:1037:13
[INFO] [stdout]      |
[INFO] [stdout] 1037 |         let intercept = model.intercept();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intercept`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_pred`
[INFO] [stdout]    --> src/linear.rs:995:13
[INFO] [stdout]     |
[INFO] [stdout] 995 |         let y_pred = model.predict(&x_test);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/linear.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |         let score = model.score(&x_test, &vec![6.0, 7.0]);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]    --> src/linear.rs:997:13
[INFO] [stdout]     |
[INFO] [stdout] 997 |         let coefficients = model.get_weights();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intercept`
[INFO] [stdout]    --> src/linear.rs:998:13
[INFO] [stdout]     |
[INFO] [stdout] 998 |         let intercept = model.get_intercept();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intercept`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_pred`
[INFO] [stdout]     --> src/linear.rs:1008:13
[INFO] [stdout]      |
[INFO] [stdout] 1008 |         let y_pred = model.predict(&x_test);
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]     --> src/linear.rs:1009:13
[INFO] [stdout]      |
[INFO] [stdout] 1009 |         let score = model.score(&x_test, &vec![16.0, 25.0]);
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]     --> src/linear.rs:1010:13
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         let coefficients = model.get_weights();
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intercept`
[INFO] [stdout]     --> src/linear.rs:1011:13
[INFO] [stdout]      |
[INFO] [stdout] 1011 |         let intercept = model.get_intercept();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intercept`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_pred`
[INFO] [stdout]     --> src/linear.rs:1021:13
[INFO] [stdout]      |
[INFO] [stdout] 1021 |         let y_pred = model.predict(&x_test);
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]     --> src/linear.rs:1022:13
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         let score = model.score(&x_test, &vec![6.0, 7.0]);
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]     --> src/linear.rs:1023:13
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         let coefficients = model.get_weights();
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intercept`
[INFO] [stdout]     --> src/linear.rs:1024:13
[INFO] [stdout]      |
[INFO] [stdout] 1024 |         let intercept = model.get_intercept();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intercept`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "75f9603a85294afc602e9a40a1753272e304909b3d95a0058b23b524dad7c569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f9603a85294afc602e9a40a1753272e304909b3d95a0058b23b524dad7c569", kill_on_drop: false }`
[INFO] [stdout] 75f9603a85294afc602e9a40a1753272e304909b3d95a0058b23b524dad7c569
