[INFO] fetching crate nnet 0.0.2...
[INFO] testing nnet-0.0.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nnet 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nnet 0.0.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nnet 0.0.2
[INFO] finished tweaking crates.io crate nnet 0.0.2
[INFO] tweaked toml for crates.io crate nnet 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc7862798107e6daadcaa4dd610f74e84ab9de0da5e5e14ee9156b0b744ab9a6
[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" "fc7862798107e6daadcaa4dd610f74e84ab9de0da5e5e14ee9156b0b744ab9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7862798107e6daadcaa4dd610f74e84ab9de0da5e5e14ee9156b0b744ab9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7862798107e6daadcaa4dd610f74e84ab9de0da5e5e14ee9156b0b744ab9a6", kill_on_drop: false }`
[INFO] [stdout] fc7862798107e6daadcaa4dd610f74e84ab9de0da5e5e14ee9156b0b744ab9a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bed2980399c320d5c65c4d7fc57bbc8679a8aec7f50f62b09217156fe8a14c8b
[INFO] running `Command { std: "docker" "start" "-a" "bed2980399c320d5c65c4d7fc57bbc8679a8aec7f50f62b09217156fe8a14c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `in_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/nnet/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/nnet/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hid_nodes`
[INFO] [stdout]   --> src/nnet/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nnet/mod.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lrate`
[INFO] [stdout]   --> src/nnet/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nnet/mod.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "bed2980399c320d5c65c4d7fc57bbc8679a8aec7f50f62b09217156fe8a14c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed2980399c320d5c65c4d7fc57bbc8679a8aec7f50f62b09217156fe8a14c8b", kill_on_drop: false }`
[INFO] [stdout] bed2980399c320d5c65c4d7fc57bbc8679a8aec7f50f62b09217156fe8a14c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c4621e6ce571fee2f8dc0d14fff5ea28b12b63c3e925fa15d41349435472a06
[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" "5c4621e6ce571fee2f8dc0d14fff5ea28b12b63c3e925fa15d41349435472a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `in_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/nnet/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/nnet/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hid_nodes`
[INFO] [stdout]   --> src/nnet/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nnet/mod.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lrate`
[INFO] [stdout]   --> src/nnet/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nnet/mod.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "5c4621e6ce571fee2f8dc0d14fff5ea28b12b63c3e925fa15d41349435472a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4621e6ce571fee2f8dc0d14fff5ea28b12b63c3e925fa15d41349435472a06", kill_on_drop: false }`
[INFO] [stdout] 5c4621e6ce571fee2f8dc0d14fff5ea28b12b63c3e925fa15d41349435472a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a39b9a207e9d973c4733d68df85258b1cc78f22cec02da386eecac8f1f49ef9a
[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" "a39b9a207e9d973c4733d68df85258b1cc78f22cec02da386eecac8f1f49ef9a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `in_nodes`
[INFO] [stderr]  --> src/nnet/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/nnet/mod.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `out_nodes`
[INFO] [stderr]  --> src/nnet/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/nnet/mod.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hid_nodes`
[INFO] [stderr]   --> src/nnet/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/nnet/mod.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lrate`
[INFO] [stderr]   --> src/nnet/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     lrate: f64,             /* learning rate */
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/nnet/mod.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `nnet` (bin "nnet" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nnet-9009808f167bfef0)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test matrix::tests::test_dot_product_two_matrices ... ok
[INFO] [stdout] test matrix::tests::test_dot_product_matrix_vector ... ok
[INFO] [stdout] test matrix::tests::test_transpose ... ok
[INFO] [stdout] test nnet::tests::test_sigmoid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a39b9a207e9d973c4733d68df85258b1cc78f22cec02da386eecac8f1f49ef9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39b9a207e9d973c4733d68df85258b1cc78f22cec02da386eecac8f1f49ef9a", kill_on_drop: false }`
[INFO] [stdout] a39b9a207e9d973c4733d68df85258b1cc78f22cec02da386eecac8f1f49ef9a