[INFO] cloning repository https://github.com/TrueWarg/rustlovesml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrueWarg/rustlovesml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Frustlovesml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Frustlovesml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5a85931d5c10c8ac0be8f12d09f33718f613db9
[INFO] checking TrueWarg/rustlovesml against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Frustlovesml" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueWarg/rustlovesml on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueWarg/rustlovesml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b81d7c1f4c9447cb08b7c94fbdd7320c9da2a7cae866e8c30ff6ff231db316cc
[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" "b81d7c1f4c9447cb08b7c94fbdd7320c9da2a7cae866e8c30ff6ff231db316cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b81d7c1f4c9447cb08b7c94fbdd7320c9da2a7cae866e8c30ff6ff231db316cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81d7c1f4c9447cb08b7c94fbdd7320c9da2a7cae866e8c30ff6ff231db316cc", kill_on_drop: false }`
[INFO] [stdout] b81d7c1f4c9447cb08b7c94fbdd7320c9da2a7cae866e8c30ff6ff231db316cc
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e83f5370b7eba850c6f96f0289cd3c28de5b680e9691c228c297a7b517bedbd
[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" "9e83f5370b7eba850c6f96f0289cd3c28de5b680e9691c228c297a7b517bedbd", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlovesml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `train`
[INFO] [stdout]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn train() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `predict`
[INFO] [stdout]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn predict() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `train`
[INFO] [stdout]   --> src/neuralnetworks/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn train() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `predict`
[INFO] [stdout]   --> src/neuralnetworks/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn predict() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlovesml::mathtools::matrix::Matrix`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustlovesml::mathtools::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlovesml::mathtools::matrix::Matrix`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustlovesml::mathtools::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "9e83f5370b7eba850c6f96f0289cd3c28de5b680e9691c228c297a7b517bedbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e83f5370b7eba850c6f96f0289cd3c28de5b680e9691c228c297a7b517bedbd", kill_on_drop: false }`
[INFO] [stdout] 9e83f5370b7eba850c6f96f0289cd3c28de5b680e9691c228c297a7b517bedbd