[INFO] crate magnetic 2.0.0 is already in cache
[INFO] extracting crate magnetic 2.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/magnetic/2.0.0
[INFO] extracting crate magnetic 2.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/magnetic/2.0.0
[INFO] validating manifest of magnetic-2.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of magnetic-2.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing magnetic-2.0.0
[INFO] finished frobbing magnetic-2.0.0
[INFO] frobbed toml for magnetic-2.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/magnetic/2.0.0/Cargo.toml
[INFO] started frobbing magnetic-2.0.0
[INFO] finished frobbing magnetic-2.0.0
[INFO] frobbed toml for magnetic-2.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/magnetic/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing magnetic-2.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/magnetic/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 94cc26ce4065cbed6eec51b6f62eda6ea5fce318f54371e6ebc89aa0d221236d
[INFO] running `"docker" "start" "-a" "94cc26ce4065cbed6eec51b6f62eda6ea5fce318f54371e6ebc89aa0d221236d"`
[INFO] [stderr]    Compiling magnetic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "94cc26ce4065cbed6eec51b6f62eda6ea5fce318f54371e6ebc89aa0d221236d"`
[INFO] running `"docker" "rm" "-f" "94cc26ce4065cbed6eec51b6f62eda6ea5fce318f54371e6ebc89aa0d221236d"`
[INFO] [stdout] 94cc26ce4065cbed6eec51b6f62eda6ea5fce318f54371e6ebc89aa0d221236d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/magnetic/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d6d6c1dc39d9bfdb49f8710817239fcd749e3dff27f07ea3d822ccb8498388f
[INFO] running `"docker" "start" "-a" "7d6d6c1dc39d9bfdb49f8710817239fcd749e3dff27f07ea3d822ccb8498388f"`
[INFO] [stderr]    Compiling magnetic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "7d6d6c1dc39d9bfdb49f8710817239fcd749e3dff27f07ea3d822ccb8498388f"`
[INFO] running `"docker" "rm" "-f" "7d6d6c1dc39d9bfdb49f8710817239fcd749e3dff27f07ea3d822ccb8498388f"`
[INFO] [stdout] 7d6d6c1dc39d9bfdb49f8710817239fcd749e3dff27f07ea3d822ccb8498388f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/magnetic/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7180a3e0d6290b3f132e99f27a0476eabf6e1138a007941e04a3128a05bff878
[INFO] running `"docker" "start" "-a" "7180a3e0d6290b3f132e99f27a0476eabf6e1138a007941e04a3128a05bff878"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/magnetic-84f10b2bcb946f5d
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test buffer::dynamic::test::bad_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf ... ok
[INFO] [stdout] test mpmc::test::one_thread ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf_p2 ... ok
[INFO] [stdout] test buffer::dynamic::test::p2_buf ... ok
[INFO] [stdout] test spmc::test::one_thread ... ok
[INFO] [stdout] test mpsc::test::one_thread ... ok
[INFO] [stdout] test spmc::test::two_thread_seq ... ok
[INFO] [stdout] test mpsc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::one_thread ... ok
[INFO] [stdout] test mpmc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::two_thread_seq ... ok
[INFO] [stdout] test mpmc::test::four_thread_par ... test mpmc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test mpsc::test::four_thread_par ... test mpsc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test spmc::test::four_thread_par ... test spmc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test spsc::test::two_thread_par ... test spsc::test::two_thread_par has been running for over 60 seconds
[INFO] [stdout] test spsc::test::two_thread_par ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "7180a3e0d6290b3f132e99f27a0476eabf6e1138a007941e04a3128a05bff878"`
[INFO] running `"docker" "rm" "-f" "7180a3e0d6290b3f132e99f27a0476eabf6e1138a007941e04a3128a05bff878"`
[INFO] [stdout] 7180a3e0d6290b3f132e99f27a0476eabf6e1138a007941e04a3128a05bff878