[INFO] updating cached repository https://github.com/TrueWarg/rustlovesml
[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] a5a85931d5c10c8ac0be8f12d09f33718f613db9
[INFO] testing TrueWarg/rustlovesml against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Frustlovesml" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueWarg/rustlovesml 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/TrueWarg/rustlovesml
[INFO] finished tweaking git repo https://github.com/TrueWarg/rustlovesml
[INFO] tweaked toml for git repo https://github.com/TrueWarg/rustlovesml written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueWarg/rustlovesml 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 178d58592ed5054ca64242b6aa5a0e45d189def8cd008b1967b9b19a13162e62
[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" "178d58592ed5054ca64242b6aa5a0e45d189def8cd008b1967b9b19a13162e62"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustlovesml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `train`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn train() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `predict`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn predict() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustlovesml::mathtools::matrix::Matrix`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustlovesml::mathtools::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "178d58592ed5054ca64242b6aa5a0e45d189def8cd008b1967b9b19a13162e62"`
[INFO] running `"docker" "rm" "-f" "178d58592ed5054ca64242b6aa5a0e45d189def8cd008b1967b9b19a13162e62"`
[INFO] [stdout] 178d58592ed5054ca64242b6aa5a0e45d189def8cd008b1967b9b19a13162e62
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a2ec65a732b3fa580e4b8546747fa3940d1eb8e13a02e88335ee262f34d8f969
[INFO] running `"docker" "start" "-a" "a2ec65a732b3fa580e4b8546747fa3940d1eb8e13a02e88335ee262f34d8f969"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustlovesml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `train`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn train() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `predict`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn predict() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustlovesml::mathtools::matrix::Matrix`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustlovesml::mathtools::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `train`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn train() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `predict`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn predict() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "a2ec65a732b3fa580e4b8546747fa3940d1eb8e13a02e88335ee262f34d8f969"`
[INFO] running `"docker" "rm" "-f" "a2ec65a732b3fa580e4b8546747fa3940d1eb8e13a02e88335ee262f34d8f969"`
[INFO] [stdout] a2ec65a732b3fa580e4b8546747fa3940d1eb8e13a02e88335ee262f34d8f969
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 70220acaae5f1886869024f6ec6113e62c3f91858fd659a8f1915ad64ab27b4b
[INFO] running `"docker" "start" "-a" "70220acaae5f1886869024f6ec6113e62c3f91858fd659a8f1915ad64ab27b4b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `train`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn train() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `predict`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn predict() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustlovesml::mathtools::matrix::Matrix`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustlovesml::mathtools::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `train`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn train() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `predict`
[INFO] [stderr]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn predict() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustlovesml-653b454b79685c14
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustlovesml-86b95d59f388ce3c
[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] [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] [stderr]    Doc-tests rustlovesml
[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" "70220acaae5f1886869024f6ec6113e62c3f91858fd659a8f1915ad64ab27b4b"`
[INFO] running `"docker" "rm" "-f" "70220acaae5f1886869024f6ec6113e62c3f91858fd659a8f1915ad64ab27b4b"`
[INFO] [stdout] 70220acaae5f1886869024f6ec6113e62c3f91858fd659a8f1915ad64ab27b4b