[INFO] cloning repository https://github.com/TheBats/ml-in-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheBats/ml-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBats%2Fml-in-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBats%2Fml-in-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25a83e8a29a7dc84c70ca89e957f011dd4f8a667 [INFO] testing TheBats/ml-in-Rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBats%2Fml-in-Rust" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheBats/ml-in-Rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheBats/ml-in-Rust [INFO] finished tweaking git repo https://github.com/TheBats/ml-in-Rust [INFO] tweaked toml for git repo https://github.com/TheBats/ml-in-Rust written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate git repo https://github.com/TheBats/ml-in-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e53204d04c45639a7357a75213b0b457c5f36f775632d0e875c6b8363a48448 [INFO] running `Command { std: "docker" "start" "-a" "3e53204d04c45639a7357a75213b0b457c5f36f775632d0e875c6b8363a48448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e53204d04c45639a7357a75213b0b457c5f36f775632d0e875c6b8363a48448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e53204d04c45639a7357a75213b0b457c5f36f775632d0e875c6b8363a48448", kill_on_drop: false }` [INFO] [stdout] 3e53204d04c45639a7357a75213b0b457c5f36f775632d0e875c6b8363a48448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c7053493b56401c25c4dde466a6f028b86635aaa26ae02d5984b4639406bf72 [INFO] running `Command { std: "docker" "start" "-a" "8c7053493b56401c25c4dde466a6f028b86635aaa26ae02d5984b4639406bf72", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.114 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling bytemuck v1.7.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling safe_arch v0.6.0 [INFO] [stderr] Compiling matrixmultiply v0.3.2 [INFO] [stderr] Compiling wide v0.7.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling simba v0.7.0 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling nalgebra v0.30.1 [INFO] [stderr] Compiling ml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `test_labels` [INFO] [stdout] --> src/main.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | let (train_data, train_labels, test_data, test_labels) = data_preparation::train_test_split(vec![median_age], median_house_value, 0.8... [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "8c7053493b56401c25c4dde466a6f028b86635aaa26ae02d5984b4639406bf72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c7053493b56401c25c4dde466a6f028b86635aaa26ae02d5984b4639406bf72", kill_on_drop: false }` [INFO] [stdout] 8c7053493b56401c25c4dde466a6f028b86635aaa26ae02d5984b4639406bf72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74b4fb4986ce154f09cf270201508b949d21b5070b434de6945af05377376238 [INFO] running `Command { std: "docker" "start" "-a" "74b4fb4986ce154f09cf270201508b949d21b5070b434de6945af05377376238", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `test_labels` [INFO] [stdout] --> src/main.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | let (train_data, train_labels, test_data, test_labels) = data_preparation::train_test_split(vec![median_age], median_house_value, 0.8... [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ml-ca5f2c19da6c2678) [INFO] running `Command { std: "docker" "inspect" "74b4fb4986ce154f09cf270201508b949d21b5070b434de6945af05377376238", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74b4fb4986ce154f09cf270201508b949d21b5070b434de6945af05377376238", kill_on_drop: false }` [INFO] [stdout] 74b4fb4986ce154f09cf270201508b949d21b5070b434de6945af05377376238 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e07d031093f74768a8e7aa3a01cbb5b13995702796a7936a54e3c8f12f5f4bc4 [INFO] running `Command { std: "docker" "start" "-a" "e07d031093f74768a8e7aa3a01cbb5b13995702796a7936a54e3c8f12f5f4bc4", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `test_labels` [INFO] [stderr] --> src/main.rs:22:47 [INFO] [stderr] | [INFO] [stderr] 22 | let (train_data, train_labels, test_data, test_labels) = data_preparation::train_test_split(vec![median_age], median_house_value, 0.8... [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_labels` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ml` (bin "ml" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ml-ca5f2c19da6c2678) [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" "e07d031093f74768a8e7aa3a01cbb5b13995702796a7936a54e3c8f12f5f4bc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e07d031093f74768a8e7aa3a01cbb5b13995702796a7936a54e3c8f12f5f4bc4", kill_on_drop: false }` [INFO] [stdout] e07d031093f74768a8e7aa3a01cbb5b13995702796a7936a54e3c8f12f5f4bc4