[INFO] updating cached repository mogenson/rcom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mogenson/rcom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mogenson/rcom" "work/ex/beta-1.38-1/sources/1.37.0/gh/mogenson/rcom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mogenson/rcom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mogenson/rcom" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d7915cd1c9d63086ef56ac47f7238d6d62a509f
[INFO] sha for GitHub repo mogenson/rcom: 9d7915cd1c9d63086ef56ac47f7238d6d62a509f
[INFO] validating manifest of mogenson/rcom 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 mogenson/rcom 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 mogenson/rcom
[INFO] finished frobbing mogenson/rcom
[INFO] frobbed toml for mogenson/rcom written to work/ex/beta-1.38-1/sources/1.37.0/gh/mogenson/rcom/Cargo.toml
[INFO] started frobbing mogenson/rcom
[INFO] finished frobbing mogenson/rcom
[INFO] frobbed toml for mogenson/rcom written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom/Cargo.toml
[INFO] crate mogenson/rcom 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 mogenson/rcom against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0e1210a517641219c45ae8fb3d55b63350d5d2e1443227847a82f6ccd1e020c6
[INFO] running `"docker" "start" "-a" "0e1210a517641219c45ae8fb3d55b63350d5d2e1443227847a82f6ccd1e020c6"`
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.2.0
[INFO] [stderr]    Compiling rcom v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `"docker" "inspect" "0e1210a517641219c45ae8fb3d55b63350d5d2e1443227847a82f6ccd1e020c6"`
[INFO] running `"docker" "rm" "-f" "0e1210a517641219c45ae8fb3d55b63350d5d2e1443227847a82f6ccd1e020c6"`
[INFO] [stdout] 0e1210a517641219c45ae8fb3d55b63350d5d2e1443227847a82f6ccd1e020c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cd8f29a5ecccb19eb27aaa767df0666900c052a7b6b5ae0d62ecdd0ff63c3715
[INFO] running `"docker" "start" "-a" "cd8f29a5ecccb19eb27aaa767df0666900c052a7b6b5ae0d62ecdd0ff63c3715"`
[INFO] [stderr]    Compiling rcom v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "cd8f29a5ecccb19eb27aaa767df0666900c052a7b6b5ae0d62ecdd0ff63c3715"`
[INFO] running `"docker" "rm" "-f" "cd8f29a5ecccb19eb27aaa767df0666900c052a7b6b5ae0d62ecdd0ff63c3715"`
[INFO] [stdout] cd8f29a5ecccb19eb27aaa767df0666900c052a7b6b5ae0d62ecdd0ff63c3715
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mogenson/rcom:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 45f11e7e146b14b79503d9a64921a0862668156af48df44bd2e436ff3e30c4cf
[INFO] running `"docker" "start" "-a" "45f11e7e146b14b79503d9a64921a0862668156af48df44bd2e436ff3e30c4cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rcom-bf6477a415a4dcde
[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" "45f11e7e146b14b79503d9a64921a0862668156af48df44bd2e436ff3e30c4cf"`
[INFO] running `"docker" "rm" "-f" "45f11e7e146b14b79503d9a64921a0862668156af48df44bd2e436ff3e30c4cf"`
[INFO] [stdout] 45f11e7e146b14b79503d9a64921a0862668156af48df44bd2e436ff3e30c4cf