[INFO] fetching crate rarrow 0.0.1...
[INFO] testing rarrow-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rarrow 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rarrow 0.0.1 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 rarrow 0.0.1
[INFO] finished tweaking crates.io crate rarrow 0.0.1
[INFO] tweaked toml for crates.io crate rarrow 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a739eade3fc134be17f901e6e349784a7becd66611fe522e4af9b3fef53b06d
[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" "0a739eade3fc134be17f901e6e349784a7becd66611fe522e4af9b3fef53b06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a739eade3fc134be17f901e6e349784a7becd66611fe522e4af9b3fef53b06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a739eade3fc134be17f901e6e349784a7becd66611fe522e4af9b3fef53b06d", kill_on_drop: false }`
[INFO] [stdout] 0a739eade3fc134be17f901e6e349784a7becd66611fe522e4af9b3fef53b06d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 467d4a2ca3876d88d56d4cf034be9d6d659f14662656d2007a746de477c63f97
[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" "467d4a2ca3876d88d56d4cf034be9d6d659f14662656d2007a746de477c63f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling rarrow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "467d4a2ca3876d88d56d4cf034be9d6d659f14662656d2007a746de477c63f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467d4a2ca3876d88d56d4cf034be9d6d659f14662656d2007a746de477c63f97", kill_on_drop: false }`
[INFO] [stdout] 467d4a2ca3876d88d56d4cf034be9d6d659f14662656d2007a746de477c63f97
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11bce7bbac79515f027645ae2b73c68788c5611f6353dcc344548936fc9a2e66
[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" "11bce7bbac79515f027645ae2b73c68788c5611f6353dcc344548936fc9a2e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling rarrow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "11bce7bbac79515f027645ae2b73c68788c5611f6353dcc344548936fc9a2e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bce7bbac79515f027645ae2b73c68788c5611f6353dcc344548936fc9a2e66", kill_on_drop: false }`
[INFO] [stdout] 11bce7bbac79515f027645ae2b73c68788c5611f6353dcc344548936fc9a2e66
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b8207ad72e76fe4fefcfd79bf73f26e8614d2c9299b876b8f8ecd80947f5067f
[INFO] running `Command { std: "docker" "start" "-a" "b8207ad72e76fe4fefcfd79bf73f26e8614d2c9299b876b8f8ecd80947f5067f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rarrow-6ab0cd6282ae5b90
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rarrow
[INFO] [stdout] running 2 tests
[INFO] [stdout] test option::tests::test_functor_applicative_monad ... ok
[INFO] [stdout] test option::tests::test_monoid ... 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] running `Command { std: "docker" "inspect" "b8207ad72e76fe4fefcfd79bf73f26e8614d2c9299b876b8f8ecd80947f5067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8207ad72e76fe4fefcfd79bf73f26e8614d2c9299b876b8f8ecd80947f5067f", kill_on_drop: false }`
[INFO] [stdout] b8207ad72e76fe4fefcfd79bf73f26e8614d2c9299b876b8f8ecd80947f5067f