[INFO] updating cached repository brion25/factorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brion25/factorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brion25/factorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/brion25/factorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brion25/factorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brion25/factorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brion25/factorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brion25/factorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0db43cb4868b5fce0f1ec01410e213d8b2d7067
[INFO] sha for GitHub repo brion25/factorial: d0db43cb4868b5fce0f1ec01410e213d8b2d7067
[INFO] validating manifest of brion25/factorial 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 brion25/factorial 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 brion25/factorial
[INFO] finished frobbing brion25/factorial
[INFO] frobbed toml for brion25/factorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/brion25/factorial/Cargo.toml
[INFO] started frobbing brion25/factorial
[INFO] finished frobbing brion25/factorial
[INFO] frobbed toml for brion25/factorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brion25/factorial/Cargo.toml
[INFO] crate brion25/factorial 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 brion25/factorial 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-6/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/brion25/factorial:/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] 6b4b0927ebdc28c7d61e7ba632dea8cda7733373b3da754d9c915f9d5b18336c
[INFO] running `"docker" "start" "-a" "6b4b0927ebdc28c7d61e7ba632dea8cda7733373b3da754d9c915f9d5b18336c"`
[INFO] [stderr]    Compiling factorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "6b4b0927ebdc28c7d61e7ba632dea8cda7733373b3da754d9c915f9d5b18336c"`
[INFO] running `"docker" "rm" "-f" "6b4b0927ebdc28c7d61e7ba632dea8cda7733373b3da754d9c915f9d5b18336c"`
[INFO] [stdout] 6b4b0927ebdc28c7d61e7ba632dea8cda7733373b3da754d9c915f9d5b18336c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/brion25/factorial:/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] 3cbadb9aa5a390cd46a36d2ee6e09ebc1465d1c40723375ffcb127b254ffc619
[INFO] running `"docker" "start" "-a" "3cbadb9aa5a390cd46a36d2ee6e09ebc1465d1c40723375ffcb127b254ffc619"`
[INFO] [stderr]    Compiling factorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "3cbadb9aa5a390cd46a36d2ee6e09ebc1465d1c40723375ffcb127b254ffc619"`
[INFO] running `"docker" "rm" "-f" "3cbadb9aa5a390cd46a36d2ee6e09ebc1465d1c40723375ffcb127b254ffc619"`
[INFO] [stdout] 3cbadb9aa5a390cd46a36d2ee6e09ebc1465d1c40723375ffcb127b254ffc619
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/brion25/factorial:/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] 4c0a4a145500f5f546fcd09f421b56bf92d89371fdd74c4476d46b09aefeb8dd
[INFO] running `"docker" "start" "-a" "4c0a4a145500f5f546fcd09f421b56bf92d89371fdd74c4476d46b09aefeb8dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/factorial-e5330479d88c8e5c
[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" "4c0a4a145500f5f546fcd09f421b56bf92d89371fdd74c4476d46b09aefeb8dd"`
[INFO] running `"docker" "rm" "-f" "4c0a4a145500f5f546fcd09f421b56bf92d89371fdd74c4476d46b09aefeb8dd"`
[INFO] [stdout] 4c0a4a145500f5f546fcd09f421b56bf92d89371fdd74c4476d46b09aefeb8dd