[INFO] fetching crate spiral 0.1.9...
[INFO] testing spiral-0.1.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate spiral 0.1.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spiral 0.1.9 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spiral 0.1.9
[INFO] finished tweaking crates.io crate spiral 0.1.9
[INFO] tweaked toml for crates.io crate spiral 0.1.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] c87dfcb9053d81cf4c9ecf2628c7e02e5f7c8b45f87b152ecc37722a35c97023
[INFO] running `Command { std: "docker" "start" "-a" "c87dfcb9053d81cf4c9ecf2628c7e02e5f7c8b45f87b152ecc37722a35c97023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87dfcb9053d81cf4c9ecf2628c7e02e5f7c8b45f87b152ecc37722a35c97023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87dfcb9053d81cf4c9ecf2628c7e02e5f7c8b45f87b152ecc37722a35c97023", kill_on_drop: false }`
[INFO] [stdout] c87dfcb9053d81cf4c9ecf2628c7e02e5f7c8b45f87b152ecc37722a35c97023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c2813d3101775a903811396fd8e3009cddbcdd11db162a4418c0ba5a85a777
[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" "a9c2813d3101775a903811396fd8e3009cddbcdd11db162a4418c0ba5a85a777", kill_on_drop: false }`
[INFO] [stderr]    Compiling spiral v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "a9c2813d3101775a903811396fd8e3009cddbcdd11db162a4418c0ba5a85a777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c2813d3101775a903811396fd8e3009cddbcdd11db162a4418c0ba5a85a777", kill_on_drop: false }`
[INFO] [stdout] a9c2813d3101775a903811396fd8e3009cddbcdd11db162a4418c0ba5a85a777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 431b368db73fe2c46025c5541fee6abe0b6af878189305fb212020b2409e3470
[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" "431b368db73fe2c46025c5541fee6abe0b6af878189305fb212020b2409e3470", kill_on_drop: false }`
[INFO] [stderr]    Compiling spiral v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "431b368db73fe2c46025c5541fee6abe0b6af878189305fb212020b2409e3470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431b368db73fe2c46025c5541fee6abe0b6af878189305fb212020b2409e3470", kill_on_drop: false }`
[INFO] [stdout] 431b368db73fe2c46025c5541fee6abe0b6af878189305fb212020b2409e3470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", 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] d778f86c1c133ae6b0bd2a8aa2118d4ca29106dc5a374f38aef84f58b75874b7
[INFO] running `Command { std: "docker" "start" "-a" "d778f86c1c133ae6b0bd2a8aa2118d4ca29106dc5a374f38aef84f58b75874b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spiral-dd6630d5fb54f549
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::chebyshev ... ok
[INFO] [stdout] test tests::manhattan ... ok
[INFO] [stdout] test tests::output ... ok
[INFO] [stdout] test tests::manhattan_bounds ... ok
[INFO] [stderr]    Doc-tests spiral
[INFO] [stdout] test tests::chebyshev_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - ChebyshevIterator::new (line 75) ... ok
[INFO] [stdout] test src/lib.rs - ManhattanIterator::new (line 179) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d778f86c1c133ae6b0bd2a8aa2118d4ca29106dc5a374f38aef84f58b75874b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d778f86c1c133ae6b0bd2a8aa2118d4ca29106dc5a374f38aef84f58b75874b7", kill_on_drop: false }`
[INFO] [stdout] d778f86c1c133ae6b0bd2a8aa2118d4ca29106dc5a374f38aef84f58b75874b7