[INFO] cloning repository https://github.com/jaankaup/Hilbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaankaup/Hilbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaankaup%2FHilbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaankaup%2FHilbert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41bf74da6fffaa497bbe605a168903eef6d02562
[INFO] testing jaankaup/Hilbert against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaankaup%2FHilbert" "/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/jaankaup/Hilbert on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaankaup/Hilbert
[INFO] finished tweaking git repo https://github.com/jaankaup/Hilbert
[INFO] tweaked toml for git repo https://github.com/jaankaup/Hilbert written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jaankaup/Hilbert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 405f73e781b99bfc4cde034a997b0672fa80ac7be546556e0802f132dc136158
[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" "405f73e781b99bfc4cde034a997b0672fa80ac7be546556e0802f132dc136158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405f73e781b99bfc4cde034a997b0672fa80ac7be546556e0802f132dc136158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405f73e781b99bfc4cde034a997b0672fa80ac7be546556e0802f132dc136158", kill_on_drop: false }`
[INFO] [stdout] 405f73e781b99bfc4cde034a997b0672fa80ac7be546556e0802f132dc136158
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3c78342f7197e594a4985fc0ec46aaf222e39e86a4ba83a6f317e0a6b983954
[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" "c3c78342f7197e594a4985fc0ec46aaf222e39e86a4ba83a6f317e0a6b983954", kill_on_drop: false }`
[INFO] [stderr]    Compiling hilbert_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let p = [5,6];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inverse`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let inverse = hilbert_index_reverse(n, m, 6);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inverse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "c3c78342f7197e594a4985fc0ec46aaf222e39e86a4ba83a6f317e0a6b983954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c78342f7197e594a4985fc0ec46aaf222e39e86a4ba83a6f317e0a6b983954", kill_on_drop: false }`
[INFO] [stdout] c3c78342f7197e594a4985fc0ec46aaf222e39e86a4ba83a6f317e0a6b983954
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c45916936be11ca69a7233bf8ed664d62b350a25d5f49e19502079d24ed4d7a7
[INFO] running `Command { std: "docker" "start" "-a" "c45916936be11ca69a7233bf8ed664d62b350a25d5f49e19502079d24ed4d7a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hilbert_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let p = [5,6];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inverse`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let inverse = hilbert_index_reverse(n, m, 6);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inverse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "c45916936be11ca69a7233bf8ed664d62b350a25d5f49e19502079d24ed4d7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45916936be11ca69a7233bf8ed664d62b350a25d5f49e19502079d24ed4d7a7", kill_on_drop: false }`
[INFO] [stdout] c45916936be11ca69a7233bf8ed664d62b350a25d5f49e19502079d24ed4d7a7
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0dd1c2a800eef24dcb14da3c6575922350fb99533523534dccb86f796109460
[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" "e0dd1c2a800eef24dcb14da3c6575922350fb99533523534dccb86f796109460", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let p = [5,6];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inverse`
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let inverse = hilbert_index_reverse(n, m, 6);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inverse`
[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/jaankaup_hilbert-13db93cec43e134a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test hilbert::tests::gray_codes ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hilbert_project-29e1b50c375e76f0
[INFO] [stdout] test hilbert::tests::gray_inverse_codes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jaankaup_hilbert
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0dd1c2a800eef24dcb14da3c6575922350fb99533523534dccb86f796109460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dd1c2a800eef24dcb14da3c6575922350fb99533523534dccb86f796109460", kill_on_drop: false }`
[INFO] [stdout] e0dd1c2a800eef24dcb14da3c6575922350fb99533523534dccb86f796109460