[INFO] updating cached repository shockham/engine_arch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shockham/engine_arch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/engine_arch" "work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/engine_arch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/engine_arch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/engine_arch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eafa5e91f62437c0cca6baabc01256095469b6dc
[INFO] sha for GitHub repo shockham/engine_arch: eafa5e91f62437c0cca6baabc01256095469b6dc
[INFO] validating manifest of shockham/engine_arch 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 shockham/engine_arch 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 shockham/engine_arch
[INFO] finished frobbing shockham/engine_arch
[INFO] frobbed toml for shockham/engine_arch written to work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch/Cargo.toml
[INFO] started frobbing shockham/engine_arch
[INFO] finished frobbing shockham/engine_arch
[INFO] frobbed toml for shockham/engine_arch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/engine_arch/Cargo.toml
[INFO] crate shockham/engine_arch 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 shockham/engine_arch 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch:/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] 17124aa79c1ac500760ac04c81f0406f029c9a3f0f4a2c942c0e2a6a3961feac
[INFO] running `"docker" "start" "-a" "17124aa79c1ac500760ac04c81f0406f029c9a3f0f4a2c942c0e2a6a3961feac"`
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.2.1
[INFO] [stderr]    Compiling futures-io v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.2.1
[INFO] [stderr]    Compiling futures-util v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.2.1
[INFO] [stderr]    Compiling futures-stable v0.2.1
[INFO] [stderr]    Compiling futures-async-runtime v0.2.1
[INFO] [stderr]    Compiling futures v0.2.1
[INFO] [stderr]    Compiling engine_arch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `"docker" "inspect" "17124aa79c1ac500760ac04c81f0406f029c9a3f0f4a2c942c0e2a6a3961feac"`
[INFO] running `"docker" "rm" "-f" "17124aa79c1ac500760ac04c81f0406f029c9a3f0f4a2c942c0e2a6a3961feac"`
[INFO] [stdout] 17124aa79c1ac500760ac04c81f0406f029c9a3f0f4a2c942c0e2a6a3961feac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch:/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] e42db6b5a45e34d85a9508a1a89c737e74ae82fe1891d54192d0ad6f14488575
[INFO] running `"docker" "start" "-a" "e42db6b5a45e34d85a9508a1a89c737e74ae82fe1891d54192d0ad6f14488575"`
[INFO] [stderr]    Compiling engine_arch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "e42db6b5a45e34d85a9508a1a89c737e74ae82fe1891d54192d0ad6f14488575"`
[INFO] running `"docker" "rm" "-f" "e42db6b5a45e34d85a9508a1a89c737e74ae82fe1891d54192d0ad6f14488575"`
[INFO] [stdout] e42db6b5a45e34d85a9508a1a89c737e74ae82fe1891d54192d0ad6f14488575
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/engine_arch:/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] b9d21e5a8e4e9b01f0a294a64db8ff33e9ae2214edc1b4e2793ecb9faa2d8c1b
[INFO] running `"docker" "start" "-a" "b9d21e5a8e4e9b01f0a294a64db8ff33e9ae2214edc1b4e2793ecb9faa2d8c1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/engine_arch-7891bb19eb0a65a2
[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" "b9d21e5a8e4e9b01f0a294a64db8ff33e9ae2214edc1b4e2793ecb9faa2d8c1b"`
[INFO] running `"docker" "rm" "-f" "b9d21e5a8e4e9b01f0a294a64db8ff33e9ae2214edc1b4e2793ecb9faa2d8c1b"`
[INFO] [stdout] b9d21e5a8e4e9b01f0a294a64db8ff33e9ae2214edc1b4e2793ecb9faa2d8c1b