[INFO] updating cached repository drbawb/ubuffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drbawb/ubuffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/ubuffer" "work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/ubuffer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/ubuffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/ubuffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e38b06640825a477a50f67740949daa0fb958c7c
[INFO] sha for GitHub repo drbawb/ubuffer: e38b06640825a477a50f67740949daa0fb958c7c
[INFO] validating manifest of drbawb/ubuffer 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 drbawb/ubuffer 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 drbawb/ubuffer
[INFO] finished frobbing drbawb/ubuffer
[INFO] frobbed toml for drbawb/ubuffer written to work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer/Cargo.toml
[INFO] started frobbing drbawb/ubuffer
[INFO] finished frobbing drbawb/ubuffer
[INFO] frobbed toml for drbawb/ubuffer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/ubuffer/Cargo.toml
[INFO] crate drbawb/ubuffer 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing drbawb/ubuffer 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer:/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] 3f600f7afa93b06501a9916d6e59e2ac065e35c81d4607d9ed22d59280e15294
[INFO] running `"docker" "start" "-a" "3f600f7afa93b06501a9916d6e59e2ac065e35c81d4607d9ed22d59280e15294"`
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling libudt4-sys v0.2.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling udt v0.2.0
[INFO] [stderr]    Compiling ubuffer v0.4.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.29s
[INFO] running `"docker" "inspect" "3f600f7afa93b06501a9916d6e59e2ac065e35c81d4607d9ed22d59280e15294"`
[INFO] running `"docker" "rm" "-f" "3f600f7afa93b06501a9916d6e59e2ac065e35c81d4607d9ed22d59280e15294"`
[INFO] [stdout] 3f600f7afa93b06501a9916d6e59e2ac065e35c81d4607d9ed22d59280e15294
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer:/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] 5329b5773d0edbebb5ff8944a7739e758337c6e1a0cbb242415e14f621bdfcc1
[INFO] running `"docker" "start" "-a" "5329b5773d0edbebb5ff8944a7739e758337c6e1a0cbb242415e14f621bdfcc1"`
[INFO] [stderr]    Compiling ubuffer v0.4.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "5329b5773d0edbebb5ff8944a7739e758337c6e1a0cbb242415e14f621bdfcc1"`
[INFO] running `"docker" "rm" "-f" "5329b5773d0edbebb5ff8944a7739e758337c6e1a0cbb242415e14f621bdfcc1"`
[INFO] [stdout] 5329b5773d0edbebb5ff8944a7739e758337c6e1a0cbb242415e14f621bdfcc1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/ubuffer:/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] e424fcbbc75b73ea09219a0f3ba53babcaa7907fe762fb3ea11f0d8dbdbb1c27
[INFO] running `"docker" "start" "-a" "e424fcbbc75b73ea09219a0f3ba53babcaa7907fe762fb3ea11f0d8dbdbb1c27"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ubuffer-681d8caf3f8a5c18
[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] running `"docker" "inspect" "e424fcbbc75b73ea09219a0f3ba53babcaa7907fe762fb3ea11f0d8dbdbb1c27"`
[INFO] running `"docker" "rm" "-f" "e424fcbbc75b73ea09219a0f3ba53babcaa7907fe762fb3ea11f0d8dbdbb1c27"`
[INFO] [stdout] e424fcbbc75b73ea09219a0f3ba53babcaa7907fe762fb3ea11f0d8dbdbb1c27