[INFO] cloning repository https://github.com/tlowry/rust-ai-samples [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlowry/rust-ai-samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlowry%2Frust-ai-samples"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlowry%2Frust-ai-samples'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 20758bf1e0643c6ebe1d764c7f27eebb8f7d0ef4 [INFO] checking tlowry/rust-ai-samples against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlowry%2Frust-ai-samples" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tlowry/rust-ai-samples on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tlowry/rust-ai-samples [INFO] finished tweaking git repo https://github.com/tlowry/rust-ai-samples [INFO] tweaked toml for git repo https://github.com/tlowry/rust-ai-samples written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/tlowry/rust-ai-samples already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dataplotlib v0.1.3 [INFO] [stderr] Downloaded probability v0.16.0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 32441c6d9a3a3033f65417b456871ff7810d8c011521ad9c66b4e4a60eb47f4a [INFO] running `"docker" "start" "-a" "32441c6d9a3a3033f65417b456871ff7810d8c011521ad9c66b4e4a60eb47f4a"` [INFO] [stderr] Checking pistoncore-input v0.14.0 [INFO] [stderr] Checking special v0.8.1 [INFO] [stderr] Checking gfx_core v0.4.0 [INFO] [stderr] Checking gl v0.6.5 [INFO] [stderr] Checking image v0.10.4 [INFO] [stderr] Checking probability v0.16.0 [INFO] [stderr] Checking pistoncore-window v0.22.1 [INFO] [stderr] Checking pistoncore-event_loop v0.25.1 [INFO] [stderr] Checking pistoncore-glutin_window v0.29.0 [INFO] [stderr] Checking piston v0.25.1 [INFO] [stderr] Checking gfx v0.12.2 [INFO] [stderr] Checking gfx_device_gl v0.11.2 [INFO] [stderr] Checking piston-gfx_texture v0.17.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.31.2 [INFO] [stderr] Checking piston_window v0.52.0 [INFO] [stderr] Checking dataplotlib v0.1.3 [INFO] [stderr] Checking rust-ai-samples v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `probability::distribution::Gaussian` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use probability::distribution::Gaussian; [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/main.rs:40:27 [INFO] [stderr] | [INFO] [stderr] 40 | fn draw(x: &Vec, f: &Fn(f64) -> f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tanh` [INFO] [stderr] --> src/main.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | fn tanh(input: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `probability::distribution::Gaussian` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use probability::distribution::Gaussian; [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/main.rs:40:27 [INFO] [stderr] | [INFO] [stderr] 40 | fn draw(x: &Vec, f: &Fn(f64) -> f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tanh` [INFO] [stderr] --> src/main.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | fn tanh(input: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.09s [INFO] running `"docker" "inspect" "32441c6d9a3a3033f65417b456871ff7810d8c011521ad9c66b4e4a60eb47f4a"` [INFO] running `"docker" "rm" "-f" "32441c6d9a3a3033f65417b456871ff7810d8c011521ad9c66b4e4a60eb47f4a"` [INFO] [stdout] 32441c6d9a3a3033f65417b456871ff7810d8c011521ad9c66b4e4a60eb47f4a