[INFO] fetching crate multindex 0.1.2...
[INFO] testing multindex-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate multindex 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate multindex 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multindex 0.1.2
[INFO] finished tweaking crates.io crate multindex 0.1.2
[INFO] tweaked toml for crates.io crate multindex 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e39c5032c581f6f184e0de3e001b24828aadbf80dd2fff294245767ab979183b
[INFO] running `Command { std: "docker" "start" "-a" "e39c5032c581f6f184e0de3e001b24828aadbf80dd2fff294245767ab979183b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39c5032c581f6f184e0de3e001b24828aadbf80dd2fff294245767ab979183b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39c5032c581f6f184e0de3e001b24828aadbf80dd2fff294245767ab979183b", kill_on_drop: false }`
[INFO] [stdout] e39c5032c581f6f184e0de3e001b24828aadbf80dd2fff294245767ab979183b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 653397c5738806f41452bc76b7f006c2002e7e44bfb5d438ea439e73c2003781
[INFO] running `Command { std: "docker" "start" "-a" "653397c5738806f41452bc76b7f006c2002e7e44bfb5d438ea439e73c2003781", kill_on_drop: false }`
[INFO] [stderr]    Compiling multindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "653397c5738806f41452bc76b7f006c2002e7e44bfb5d438ea439e73c2003781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653397c5738806f41452bc76b7f006c2002e7e44bfb5d438ea439e73c2003781", kill_on_drop: false }`
[INFO] [stdout] 653397c5738806f41452bc76b7f006c2002e7e44bfb5d438ea439e73c2003781
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cb4f396347a93914ba2be7a5618d1e8d35689d5adc437b1f8e32049f63e70eb0
[INFO] running `Command { std: "docker" "start" "-a" "cb4f396347a93914ba2be7a5618d1e8d35689d5adc437b1f8e32049f63e70eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling multindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: tests must be run with the "testing" feature
[INFO] [stdout]    --> src/lib.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | compile_error! { "tests must be run with the \"testing\" feature" }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multindex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cb4f396347a93914ba2be7a5618d1e8d35689d5adc437b1f8e32049f63e70eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4f396347a93914ba2be7a5618d1e8d35689d5adc437b1f8e32049f63e70eb0", kill_on_drop: false }`
[INFO] [stdout] cb4f396347a93914ba2be7a5618d1e8d35689d5adc437b1f8e32049f63e70eb0