[INFO] updating cached repository bemeurer/hemoglobin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bemeurer/hemoglobin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bemeurer/hemoglobin" "work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bemeurer/hemoglobin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/hemoglobin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/hemoglobin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cd88b68fb856ad3a8f49f8512ffec529ed4d27e
[INFO] sha for GitHub repo bemeurer/hemoglobin: 7cd88b68fb856ad3a8f49f8512ffec529ed4d27e
[INFO] validating manifest of bemeurer/hemoglobin 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 bemeurer/hemoglobin 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 bemeurer/hemoglobin
[INFO] finished frobbing bemeurer/hemoglobin
[INFO] frobbed toml for bemeurer/hemoglobin written to work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin/Cargo.toml
[INFO] started frobbing bemeurer/hemoglobin
[INFO] finished frobbing bemeurer/hemoglobin
[INFO] frobbed toml for bemeurer/hemoglobin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/hemoglobin/Cargo.toml
[INFO] crate bemeurer/hemoglobin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing bemeurer/hemoglobin 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin:/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] 4bfe4f838acc441dda4175fdf3fafcea7e6a45241a4e13a47c3dbd9b1b90b3f7
[INFO] running `"docker" "start" "-a" "4bfe4f838acc441dda4175fdf3fafcea7e6a45241a4e13a47c3dbd9b1b90b3f7"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling gag v0.1.10
[INFO] [stderr]    Compiling rustty v0.1.12
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling hemoglobin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `dec`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     dec: BigUint,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 58.00s
[INFO] running `"docker" "inspect" "4bfe4f838acc441dda4175fdf3fafcea7e6a45241a4e13a47c3dbd9b1b90b3f7"`
[INFO] running `"docker" "rm" "-f" "4bfe4f838acc441dda4175fdf3fafcea7e6a45241a4e13a47c3dbd9b1b90b3f7"`
[INFO] [stdout] 4bfe4f838acc441dda4175fdf3fafcea7e6a45241a4e13a47c3dbd9b1b90b3f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin:/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] d859664b4eb9b101715778a2dcc904deebe92f89b3cfa209f325ea51dd170844
[INFO] running `"docker" "start" "-a" "d859664b4eb9b101715778a2dcc904deebe92f89b3cfa209f325ea51dd170844"`
[INFO] [stderr]    Compiling hemoglobin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `dec`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     dec: BigUint,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "d859664b4eb9b101715778a2dcc904deebe92f89b3cfa209f325ea51dd170844"`
[INFO] running `"docker" "rm" "-f" "d859664b4eb9b101715778a2dcc904deebe92f89b3cfa209f325ea51dd170844"`
[INFO] [stdout] d859664b4eb9b101715778a2dcc904deebe92f89b3cfa209f325ea51dd170844
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/hemoglobin:/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] 9f415a1514e9c7b39f9ddeed039e48e1a20eaa273ccb28e4707a7864a28bfcc8
[INFO] running `"docker" "start" "-a" "9f415a1514e9c7b39f9ddeed039e48e1a20eaa273ccb28e4707a7864a28bfcc8"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hemoglobin-f54ad5af396077a6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_bitvec_order ... ok
[INFO] [stdout] test tests::test_grid_from_string ... ok
[INFO] [stdout] test tests::test_rule_dec_str_to_rule ... ok
[INFO] [stdout] test tests::test_gen_conway_dec ... ok
[INFO] [stdout] test tests::test_rule_from_bigint ... ok
[INFO] [stdout] test tests::test_get_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hemoglobin-d46219dd78bf8c6f
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hemoglobin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Grid::from (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f415a1514e9c7b39f9ddeed039e48e1a20eaa273ccb28e4707a7864a28bfcc8"`
[INFO] running `"docker" "rm" "-f" "9f415a1514e9c7b39f9ddeed039e48e1a20eaa273ccb28e4707a7864a28bfcc8"`
[INFO] [stdout] 9f415a1514e9c7b39f9ddeed039e48e1a20eaa273ccb28e4707a7864a28bfcc8