[INFO] updating cached repository MaikKlein/variadic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MaikKlein/variadic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/variadic" "work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/variadic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/variadic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/variadic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/variadic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/variadic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 333a6032d30b940430a5d2de04704a11d2a000c3
[INFO] sha for GitHub repo MaikKlein/variadic: 333a6032d30b940430a5d2de04704a11d2a000c3
[INFO] validating manifest of MaikKlein/variadic 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 MaikKlein/variadic 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 MaikKlein/variadic
[INFO] finished frobbing MaikKlein/variadic
[INFO] frobbed toml for MaikKlein/variadic written to work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/variadic/Cargo.toml
[INFO] started frobbing MaikKlein/variadic
[INFO] finished frobbing MaikKlein/variadic
[INFO] frobbed toml for MaikKlein/variadic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/variadic/Cargo.toml
[INFO] crate MaikKlein/variadic 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 MaikKlein/variadic 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-7/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/MaikKlein/variadic:/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] c0947fbca0c007ab88bcfa44db2136d0c62dae87ae7e5ee8b12cd02ef26cb7a5
[INFO] running `"docker" "start" "-a" "c0947fbca0c007ab88bcfa44db2136d0c62dae87ae7e5ee8b12cd02ef26cb7a5"`
[INFO] [stderr]    Compiling variadic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "c0947fbca0c007ab88bcfa44db2136d0c62dae87ae7e5ee8b12cd02ef26cb7a5"`
[INFO] running `"docker" "rm" "-f" "c0947fbca0c007ab88bcfa44db2136d0c62dae87ae7e5ee8b12cd02ef26cb7a5"`
[INFO] [stdout] c0947fbca0c007ab88bcfa44db2136d0c62dae87ae7e5ee8b12cd02ef26cb7a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/MaikKlein/variadic:/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] 82d1679d63609e87aa124b813d54f50abc60482094685d324c72c7a4a3d63815
[INFO] running `"docker" "start" "-a" "82d1679d63609e87aa124b813d54f50abc60482094685d324c72c7a4a3d63815"`
[INFO] [stderr]    Compiling variadic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "82d1679d63609e87aa124b813d54f50abc60482094685d324c72c7a4a3d63815"`
[INFO] running `"docker" "rm" "-f" "82d1679d63609e87aa124b813d54f50abc60482094685d324c72c7a4a3d63815"`
[INFO] [stdout] 82d1679d63609e87aa124b813d54f50abc60482094685d324c72c7a4a3d63815
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/MaikKlein/variadic:/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] c235aa18089e00db5e90a9dba91f864fd25d66783d67bd4daf7037fe21ed08e7
[INFO] running `"docker" "start" "-a" "c235aa18089e00db5e90a9dba91f864fd25d66783d67bd4daf7037fe21ed08e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variadic-e11f9a08d3c9a65a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests variadic
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c235aa18089e00db5e90a9dba91f864fd25d66783d67bd4daf7037fe21ed08e7"`
[INFO] running `"docker" "rm" "-f" "c235aa18089e00db5e90a9dba91f864fd25d66783d67bd4daf7037fe21ed08e7"`
[INFO] [stdout] c235aa18089e00db5e90a9dba91f864fd25d66783d67bd4daf7037fe21ed08e7