[INFO] cloning repository https://github.com/irvingfisica/echelon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irvingfisica/echelon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingfisica%2Fechelon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingfisica%2Fechelon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a1e43ae93c889539081b97c1688334cb37e4041 [INFO] checking irvingfisica/echelon against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingfisica%2Fechelon" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/irvingfisica/echelon on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/irvingfisica/echelon [INFO] finished tweaking git repo https://github.com/irvingfisica/echelon [INFO] tweaked toml for git repo https://github.com/irvingfisica/echelon written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/irvingfisica/echelon already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e8b47de04fcfd7795041c0ba68c1f9938dd37b7f3cf73a3c3cb132f382405a5 [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" "9e8b47de04fcfd7795041c0ba68c1f9938dd37b7f3cf73a3c3cb132f382405a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e8b47de04fcfd7795041c0ba68c1f9938dd37b7f3cf73a3c3cb132f382405a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8b47de04fcfd7795041c0ba68c1f9938dd37b7f3cf73a3c3cb132f382405a5", kill_on_drop: false }` [INFO] [stdout] 9e8b47de04fcfd7795041c0ba68c1f9938dd37b7f3cf73a3c3cb132f382405a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 494dc7a3d988b6b59f1e1ccf96d5413d57a2e38fe2ecbb78b6a8e0e2a7e4ca4d [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" "494dc7a3d988b6b59f1e1ccf96d5413d57a2e38fe2ecbb78b6a8e0e2a7e4ca4d", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking num-rational v0.3.2 [INFO] [stderr] Checking simba v0.3.1 [INFO] [stderr] Checking rand_distr v0.3.0 [INFO] [stderr] Checking nalgebra v0.24.0 [INFO] [stderr] Checking echelon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `row_swapper` [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn row_swapper( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `row_swapper` [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn row_swapper( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 32.60s [INFO] running `Command { std: "docker" "inspect" "494dc7a3d988b6b59f1e1ccf96d5413d57a2e38fe2ecbb78b6a8e0e2a7e4ca4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "494dc7a3d988b6b59f1e1ccf96d5413d57a2e38fe2ecbb78b6a8e0e2a7e4ca4d", kill_on_drop: false }` [INFO] [stdout] 494dc7a3d988b6b59f1e1ccf96d5413d57a2e38fe2ecbb78b6a8e0e2a7e4ca4d