[INFO] crate magnetic 2.0.0 is already in cache
[INFO] extracting crate magnetic 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/magnetic/2.0.0
[INFO] extracting crate magnetic 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/magnetic/2.0.0
[INFO] validating manifest of magnetic-2.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of magnetic-2.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/magnetic/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing magnetic-2.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a2284dd7ffe1d3da1cf0d3dbf833211c24a096330bfda1edc91e6be90cbdc0d8
[INFO] running `"docker" "start" "-a" "a2284dd7ffe1d3da1cf0d3dbf833211c24a096330bfda1edc91e6be90cbdc0d8"`
[INFO] [stderr]    Compiling magnetic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "a2284dd7ffe1d3da1cf0d3dbf833211c24a096330bfda1edc91e6be90cbdc0d8"`
[INFO] running `"docker" "rm" "-f" "a2284dd7ffe1d3da1cf0d3dbf833211c24a096330bfda1edc91e6be90cbdc0d8"`
[INFO] [stdout] a2284dd7ffe1d3da1cf0d3dbf833211c24a096330bfda1edc91e6be90cbdc0d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d61daec8d0a35f39c72b1f83501c87358b0396ac1ff2f2ed4ee6ef025364a8d7
[INFO] running `"docker" "start" "-a" "d61daec8d0a35f39c72b1f83501c87358b0396ac1ff2f2ed4ee6ef025364a8d7"`
[INFO] [stderr]    Compiling magnetic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "d61daec8d0a35f39c72b1f83501c87358b0396ac1ff2f2ed4ee6ef025364a8d7"`
[INFO] running `"docker" "rm" "-f" "d61daec8d0a35f39c72b1f83501c87358b0396ac1ff2f2ed4ee6ef025364a8d7"`
[INFO] [stdout] d61daec8d0a35f39c72b1f83501c87358b0396ac1ff2f2ed4ee6ef025364a8d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4e5d9838b47876d6cdebe7630a296a5f6b47e163b082c9a7c62f2bbe5c07ebbb
[INFO] running `"docker" "start" "-a" "4e5d9838b47876d6cdebe7630a296a5f6b47e163b082c9a7c62f2bbe5c07ebbb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/magnetic-4b6a89066f11ed6c
[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 mpsc::test::one_thread ... ok
[INFO] [stdout] test spmc::test::one_thread ... ok
[INFO] [stdout] test buffer::dynamic::test::p2_buf ... ok
[INFO] [stdout] test mpmc::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 spmc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::two_thread_seq ... ok
[INFO] [stdout] test spmc::test::four_thread_par ... test spmc::test::four_thread_par has been running for over 60 seconds
[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 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" "4e5d9838b47876d6cdebe7630a296a5f6b47e163b082c9a7c62f2bbe5c07ebbb"`
[INFO] running `"docker" "rm" "-f" "4e5d9838b47876d6cdebe7630a296a5f6b47e163b082c9a7c62f2bbe5c07ebbb"`
[INFO] [stdout] 4e5d9838b47876d6cdebe7630a296a5f6b47e163b082c9a7c62f2bbe5c07ebbb