[INFO] fetching crate gridd 0.3.1...
[INFO] testing gridd-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gridd 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gridd 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gridd 0.3.1
[INFO] finished tweaking crates.io crate gridd 0.3.1
[INFO] tweaked toml for crates.io crate gridd 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5a6a7030d1daa90a8c4877228fc9237ff8870050310f863ed736169b03c4b5bc
[INFO] running `Command { std: "docker" "start" "-a" "5a6a7030d1daa90a8c4877228fc9237ff8870050310f863ed736169b03c4b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6a7030d1daa90a8c4877228fc9237ff8870050310f863ed736169b03c4b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6a7030d1daa90a8c4877228fc9237ff8870050310f863ed736169b03c4b5bc", kill_on_drop: false }`
[INFO] [stdout] 5a6a7030d1daa90a8c4877228fc9237ff8870050310f863ed736169b03c4b5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7d14ae0455b6d370c747e2774b255c582902fd979378e8e0421e67109235c0
[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" "3f7d14ae0455b6d370c747e2774b255c582902fd979378e8e0421e67109235c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gridd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3f7d14ae0455b6d370c747e2774b255c582902fd979378e8e0421e67109235c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7d14ae0455b6d370c747e2774b255c582902fd979378e8e0421e67109235c0", kill_on_drop: false }`
[INFO] [stdout] 3f7d14ae0455b6d370c747e2774b255c582902fd979378e8e0421e67109235c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30caa503ee4cb4ef78854c21689994ff066f0a2efcb88eefc94aa6fa1be3d6b0
[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" "30caa503ee4cb4ef78854c21689994ff066f0a2efcb88eefc94aa6fa1be3d6b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gridd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "30caa503ee4cb4ef78854c21689994ff066f0a2efcb88eefc94aa6fa1be3d6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30caa503ee4cb4ef78854c21689994ff066f0a2efcb88eefc94aa6fa1be3d6b0", kill_on_drop: false }`
[INFO] [stdout] 30caa503ee4cb4ef78854c21689994ff066f0a2efcb88eefc94aa6fa1be3d6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] aeda657fa1034810f7a7f292dacf42cb5bb2e5fd589b4b573bf9c8530ad07939
[INFO] running `Command { std: "docker" "start" "-a" "aeda657fa1034810f7a7f292dacf42cb5bb2e5fd589b4b573bf9c8530ad07939", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gridd-e1dfce8c8eb83d1a)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_get_mut ... ok
[INFO] [stderr]    Doc-tests gridd
[INFO] [stdout] test tests::test_get_set ... ok
[INFO] [stdout] test tests::test_rset ... ok
[INFO] [stdout] test tests::test_transpose ... ok
[INFO] [stdout] test tests::test_rget ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Offset::rcoord (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - Offset::cardinal_sum (line 165) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aeda657fa1034810f7a7f292dacf42cb5bb2e5fd589b4b573bf9c8530ad07939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeda657fa1034810f7a7f292dacf42cb5bb2e5fd589b4b573bf9c8530ad07939", kill_on_drop: false }`
[INFO] [stdout] aeda657fa1034810f7a7f292dacf42cb5bb2e5fd589b4b573bf9c8530ad07939