[INFO] updating cached repository https://github.com/tylerreisinger/neural-network-deep-learning [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e9b993dc16ba212952631e2fa08a1b63ac1c99fb [INFO] testing tylerreisinger/neural-network-deep-learning against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Fneural-network-deep-learning" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tylerreisinger/neural-network-deep-learning on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] finished tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] tweaked toml for git repo https://github.com/tylerreisinger/neural-network-deep-learning written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/tylerreisinger/neural-network-deep-learning already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 10163ae7ed3827ef9f4493eeb946404ae2eb985aeb3230622e71b3b7188130ec [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "10163ae7ed3827ef9f4493eeb946404ae2eb985aeb3230622e71b3b7188130ec"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling neural_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/mnist/idx.rs:150:44 [INFO] [stderr] | [INFO] [stderr] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mnist/error.rs:48:32 [INFO] [stderr] | [INFO] [stderr] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:28:38 [INFO] [stderr] | [INFO] [stderr] 28 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:40:44 [INFO] [stderr] | [INFO] [stderr] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let labels = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `images` [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let images = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `"docker" "inspect" "10163ae7ed3827ef9f4493eeb946404ae2eb985aeb3230622e71b3b7188130ec"` [INFO] running `"docker" "rm" "-f" "10163ae7ed3827ef9f4493eeb946404ae2eb985aeb3230622e71b3b7188130ec"` [INFO] [stdout] 10163ae7ed3827ef9f4493eeb946404ae2eb985aeb3230622e71b3b7188130ec [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c6ef9304dc8bf6e977ced2cc309029c6614cf980128276dbf579fb3fe29b77b2 [INFO] running `"docker" "start" "-a" "c6ef9304dc8bf6e977ced2cc309029c6614cf980128276dbf579fb3fe29b77b2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling neural_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/mnist/idx.rs:150:44 [INFO] [stderr] | [INFO] [stderr] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/mnist/idx.rs:402:9 [INFO] [stderr] | [INFO] [stderr] 402 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mnist/error.rs:48:32 [INFO] [stderr] | [INFO] [stderr] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:28:38 [INFO] [stderr] | [INFO] [stderr] 28 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:40:44 [INFO] [stderr] | [INFO] [stderr] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let labels = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `images` [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let images = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `"docker" "inspect" "c6ef9304dc8bf6e977ced2cc309029c6614cf980128276dbf579fb3fe29b77b2"` [INFO] running `"docker" "rm" "-f" "c6ef9304dc8bf6e977ced2cc309029c6614cf980128276dbf579fb3fe29b77b2"` [INFO] [stdout] c6ef9304dc8bf6e977ced2cc309029c6614cf980128276dbf579fb3fe29b77b2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b3f02a3407231cdf72309d5d15eae7eab75167582ec495f162bb1b15da3d5425 [INFO] running `"docker" "start" "-a" "b3f02a3407231cdf72309d5d15eae7eab75167582ec495f162bb1b15da3d5425"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/mnist/idx.rs:150:44 [INFO] [stderr] | [INFO] [stderr] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/mnist/idx.rs:402:9 [INFO] [stderr] | [INFO] [stderr] 402 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mnist/error.rs:48:32 [INFO] [stderr] | [INFO] [stderr] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:28:38 [INFO] [stderr] | [INFO] [stderr] 28 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | write!(f, "{}", self.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/mnist/error.rs:40:44 [INFO] [stderr] | [INFO] [stderr] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let labels = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `images` [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let images = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/neural_net-b13a15c742e30011 [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 `"docker" "inspect" "b3f02a3407231cdf72309d5d15eae7eab75167582ec495f162bb1b15da3d5425"` [INFO] running `"docker" "rm" "-f" "b3f02a3407231cdf72309d5d15eae7eab75167582ec495f162bb1b15da3d5425"` [INFO] [stdout] b3f02a3407231cdf72309d5d15eae7eab75167582ec495f162bb1b15da3d5425