[INFO] fetching crate popcorn-butter 0.1.0...
[INFO] testing popcorn-butter-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate popcorn-butter 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate popcorn-butter 0.1.0 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 popcorn-butter 0.1.0
[INFO] removed path dependency popcorn from crates.io crate popcorn-butter 0.1.0
[INFO] removed path dependency popcorn-blas from crates.io crate popcorn-butter 0.1.0
[INFO] finished tweaking crates.io crate popcorn-butter 0.1.0
[INFO] tweaked toml for crates.io crate popcorn-butter 0.1.0 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-sys v0.6.9
[INFO] [stderr]   Downloaded popcorn-blas v0.1.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7eaa360bc72ae29c5017fbbb59dd2481c458b9e7d8300a548f51e041aed00532
[INFO] running `Command { std: "docker" "start" "-a" "7eaa360bc72ae29c5017fbbb59dd2481c458b9e7d8300a548f51e041aed00532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eaa360bc72ae29c5017fbbb59dd2481c458b9e7d8300a548f51e041aed00532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eaa360bc72ae29c5017fbbb59dd2481c458b9e7d8300a548f51e041aed00532", kill_on_drop: false }`
[INFO] [stdout] 7eaa360bc72ae29c5017fbbb59dd2481c458b9e7d8300a548f51e041aed00532
[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] 4f0e0989fc9ba1c0302cb70506d6dc575b5a55d19d94bdb38011a1e2c5b1b5ef
[INFO] running `Command { std: "docker" "start" "-a" "4f0e0989fc9ba1c0302cb70506d6dc575b5a55d19d94bdb38011a1e2c5b1b5ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling blas-sys v0.6.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling popcorn v0.1.0
[INFO] [stderr]    Compiling popcorn-blas v0.1.0
[INFO] [stderr]    Compiling popcorn-butter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "4f0e0989fc9ba1c0302cb70506d6dc575b5a55d19d94bdb38011a1e2c5b1b5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0e0989fc9ba1c0302cb70506d6dc575b5a55d19d94bdb38011a1e2c5b1b5ef", kill_on_drop: false }`
[INFO] [stdout] 4f0e0989fc9ba1c0302cb70506d6dc575b5a55d19d94bdb38011a1e2c5b1b5ef
[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] [stdout] b7fa849996739ff80afe67dab39ba37b2d5d30879e06352ed3675ac7a80a5e63
[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" "b7fa849996739ff80afe67dab39ba37b2d5d30879e06352ed3675ac7a80a5e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling popcorn-butter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b7fa849996739ff80afe67dab39ba37b2d5d30879e06352ed3675ac7a80a5e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fa849996739ff80afe67dab39ba37b2d5d30879e06352ed3675ac7a80a5e63", kill_on_drop: false }`
[INFO] [stdout] b7fa849996739ff80afe67dab39ba37b2d5d30879e06352ed3675ac7a80a5e63
[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] 8e8db2da527604e3694d68a3d262a6477f559d84379a5bbbd0cc733e596a131b
[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" "8e8db2da527604e3694d68a3d262a6477f559d84379a5bbbd0cc733e596a131b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/popcorn_butter-31379c6029e0eb2f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests popcorn-butter
[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] [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" "8e8db2da527604e3694d68a3d262a6477f559d84379a5bbbd0cc733e596a131b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8db2da527604e3694d68a3d262a6477f559d84379a5bbbd0cc733e596a131b", kill_on_drop: false }`
[INFO] [stdout] 8e8db2da527604e3694d68a3d262a6477f559d84379a5bbbd0cc733e596a131b