[INFO] fetching crate arrayref 0.3.6...
[INFO] testing arrayref-0.3.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arrayref 0.3.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arrayref 0.3.6 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 crates.io crate arrayref 0.3.6
[INFO] finished tweaking crates.io crate arrayref 0.3.6
[INFO] tweaked toml for crates.io crate arrayref 0.3.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate arrayref 0.3.6 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded wincolor v1.0.0
[INFO] [stderr]   Downloaded env_logger v0.5.12
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded termcolor v1.0.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5cf632c6f28151e6e00e36c8925f63dfce52fe95ca2e88f9cb5d4ef4ee1dffe6
[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" "5cf632c6f28151e6e00e36c8925f63dfce52fe95ca2e88f9cb5d4ef4ee1dffe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf632c6f28151e6e00e36c8925f63dfce52fe95ca2e88f9cb5d4ef4ee1dffe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf632c6f28151e6e00e36c8925f63dfce52fe95ca2e88f9cb5d4ef4ee1dffe6", kill_on_drop: false }`
[INFO] [stdout] 5cf632c6f28151e6e00e36c8925f63dfce52fe95ca2e88f9cb5d4ef4ee1dffe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b3d2ce99cabe01f2f2b93eb16e67a1fa1cca571e3914a258474c81710c9937f
[INFO] running `Command { std: "docker" "start" "-a" "7b3d2ce99cabe01f2f2b93eb16e67a1fa1cca571e3914a258474c81710c9937f", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayref v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7b3d2ce99cabe01f2f2b93eb16e67a1fa1cca571e3914a258474c81710c9937f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3d2ce99cabe01f2f2b93eb16e67a1fa1cca571e3914a258474c81710c9937f", kill_on_drop: false }`
[INFO] [stdout] 7b3d2ce99cabe01f2f2b93eb16e67a1fa1cca571e3914a258474c81710c9937f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a5c8721375430cca08faebbf316eb9fd188fd2e718b08f6ab373e73dfe6b03b9
[INFO] running `Command { std: "docker" "start" "-a" "a5c8721375430cca08faebbf316eb9fd188fd2e718b08f6ab373e73dfe6b03b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling arrayref v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "a5c8721375430cca08faebbf316eb9fd188fd2e718b08f6ab373e73dfe6b03b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c8721375430cca08faebbf316eb9fd188fd2e718b08f6ab373e73dfe6b03b9", kill_on_drop: false }`
[INFO] [stdout] a5c8721375430cca08faebbf316eb9fd188fd2e718b08f6ab373e73dfe6b03b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 750981111a0051e8399f60eb588512fc2c7614cef743f732d6d6acef3a9e764d
[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" "750981111a0051e8399f60eb588512fc2c7614cef743f732d6d6acef3a9e764d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arrayref-55cf6305236cb75f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_5_mut_xarray_refs ... ok
[INFO] [stdout] test test::test_5_array_refs_dotdot ... ok
[INFO] [stdout] test test::simple_case_works ... ok
[INFO] [stdout] test test::check_array_mut_ref_7 ... ok
[INFO] [stdout] test test::test_5_array_refs ... ok
[INFO] [stdout] test test::test_5_mut_xarray_refs_with_dotdot ... ok
[INFO] [stdout] test test::check_array_ref_5 ... ok
[INFO] [stdout] test test::checks_bounds ... ok
[INFO] [stdout] test test::check_array_ref_out_of_bounds_5 ... ok
[INFO] [stdout] test test::check_array_mut_ref_out_of_bounds_32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arrayref
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - array_refs (line 88) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - mut_array_refs (line 179) ... ok
[INFO] [stdout] test src/lib.rs - array_ref (line 41) ... ok
[INFO] [stdout] test src/lib.rs - array_mut_ref (line 263) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "750981111a0051e8399f60eb588512fc2c7614cef743f732d6d6acef3a9e764d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750981111a0051e8399f60eb588512fc2c7614cef743f732d6d6acef3a9e764d", kill_on_drop: false }`
[INFO] [stdout] 750981111a0051e8399f60eb588512fc2c7614cef743f732d6d6acef3a9e764d