[INFO] updating cached repository https://github.com/tzmain/ann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9642ba5b47dbaa0a52c4f9d9dc726873d83cb8ca
[INFO] testing tzmain/ann against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftzmain%2Fann" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tzmain/ann on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tzmain/ann
[INFO] finished tweaking git repo https://github.com/tzmain/ann
[INFO] tweaked toml for git repo https://github.com/tzmain/ann written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tzmain/ann already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56bdbb3b0c00449d585fd6648c22498767cc8cc226687b6136bbced3d275790
[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" "c56bdbb3b0c00449d585fd6648c22498767cc8cc226687b6136bbced3d275790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56bdbb3b0c00449d585fd6648c22498767cc8cc226687b6136bbced3d275790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56bdbb3b0c00449d585fd6648c22498767cc8cc226687b6136bbced3d275790", kill_on_drop: false }`
[INFO] [stdout] c56bdbb3b0c00449d585fd6648c22498767cc8cc226687b6136bbced3d275790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf029a927dd28504e3dac1944d20cea62ea70f61a664dca3e72d0cfd5eb61f5
[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" "ddf029a927dd28504e3dac1944d20cea62ea70f61a664dca3e72d0cfd5eb61f5", 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] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling rusty-machine v0.5.4
[INFO] [stderr]    Compiling simple-cnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `newDefaut`
[INFO] [stdout]   --> src/ann/perceptron.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn newDefaut() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newDefaut` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn newDefaut() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `new_defaut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fit(&mut self, X : &Matrix<f64>, y : &Matrix<f64>) {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn net_input(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stdout]    |                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn predict(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stdout]    |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "ddf029a927dd28504e3dac1944d20cea62ea70f61a664dca3e72d0cfd5eb61f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf029a927dd28504e3dac1944d20cea62ea70f61a664dca3e72d0cfd5eb61f5", kill_on_drop: false }`
[INFO] [stdout] ddf029a927dd28504e3dac1944d20cea62ea70f61a664dca3e72d0cfd5eb61f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5347630ca764f69ef00b0d64a37e8723765a3628eead1c24747c03b35722b8d1
[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" "5347630ca764f69ef00b0d64a37e8723765a3628eead1c24747c03b35722b8d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-cnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `newDefaut`
[INFO] [stdout]   --> src/ann/perceptron.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn newDefaut() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newDefaut` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn newDefaut() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `new_defaut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fit(&mut self, X : &Matrix<f64>, y : &Matrix<f64>) {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn net_input(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stdout]    |                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/ann/perceptron.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn predict(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stdout]    |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5347630ca764f69ef00b0d64a37e8723765a3628eead1c24747c03b35722b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5347630ca764f69ef00b0d64a37e8723765a3628eead1c24747c03b35722b8d1", kill_on_drop: false }`
[INFO] [stdout] 5347630ca764f69ef00b0d64a37e8723765a3628eead1c24747c03b35722b8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0957f05cbe8f5aec9d99395bcd7984e93032f6f1a0466bf9b0d355e64835042c
[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" "0957f05cbe8f5aec9d99395bcd7984e93032f6f1a0466bf9b0d355e64835042c", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `newDefaut`
[INFO] [stderr]   --> src/ann/perceptron.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn newDefaut() -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `newDefaut` should have a snake case name
[INFO] [stderr]   --> src/ann/perceptron.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn newDefaut() -> Self {
[INFO] [stderr]    |            ^^^^^^^^^ help: convert the identifier to snake case: `new_defaut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/ann/perceptron.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn fit(&mut self, X : &Matrix<f64>, y : &Matrix<f64>) {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/ann/perceptron.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn net_input(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stderr]    |                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/ann/perceptron.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn predict(&mut self, X : &Matrix<f64>) -> f64 {
[INFO] [stderr]    |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_cnn-c367c801b2ec27a0
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0957f05cbe8f5aec9d99395bcd7984e93032f6f1a0466bf9b0d355e64835042c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0957f05cbe8f5aec9d99395bcd7984e93032f6f1a0466bf9b0d355e64835042c", kill_on_drop: false }`
[INFO] [stdout] 0957f05cbe8f5aec9d99395bcd7984e93032f6f1a0466bf9b0d355e64835042c