[INFO] updating cached repository rustomax/rust-collatz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rustomax/rust-collatz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rustomax/rust-collatz" "work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rustomax/rust-collatz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rustomax/rust-collatz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rustomax/rust-collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e1decc553aabe0f0619dab9ba750c704e664781
[INFO] sha for GitHub repo rustomax/rust-collatz: 3e1decc553aabe0f0619dab9ba750c704e664781
[INFO] validating manifest of rustomax/rust-collatz on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustomax/rust-collatz on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustomax/rust-collatz
[INFO] finished frobbing rustomax/rust-collatz
[INFO] frobbed toml for rustomax/rust-collatz written to work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz/Cargo.toml
[INFO] started frobbing rustomax/rust-collatz
[INFO] finished frobbing rustomax/rust-collatz
[INFO] frobbed toml for rustomax/rust-collatz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rustomax/rust-collatz/Cargo.toml
[INFO] crate rustomax/rust-collatz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rustomax/rust-collatz against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f77a9c749a4096df2e205efc252ef7aba291c59c274b9505b8e9c6382855a1ac
[INFO] running `"docker" "start" "-a" "f77a9c749a4096df2e205efc252ef7aba291c59c274b9505b8e9c6382855a1ac"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "f77a9c749a4096df2e205efc252ef7aba291c59c274b9505b8e9c6382855a1ac"`
[INFO] running `"docker" "rm" "-f" "f77a9c749a4096df2e205efc252ef7aba291c59c274b9505b8e9c6382855a1ac"`
[INFO] [stdout] f77a9c749a4096df2e205efc252ef7aba291c59c274b9505b8e9c6382855a1ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 31d0295f81cc2a791820a5404451a430bd4ee6f1edc5acde11f0564b58ca5146
[INFO] running `"docker" "start" "-a" "31d0295f81cc2a791820a5404451a430bd4ee6f1edc5acde11f0564b58ca5146"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "31d0295f81cc2a791820a5404451a430bd4ee6f1edc5acde11f0564b58ca5146"`
[INFO] running `"docker" "rm" "-f" "31d0295f81cc2a791820a5404451a430bd4ee6f1edc5acde11f0564b58ca5146"`
[INFO] [stdout] 31d0295f81cc2a791820a5404451a430bd4ee6f1edc5acde11f0564b58ca5146
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rustomax/rust-collatz:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0f8b9eab46ee54d0b277f0d26ad55ac496253e30f855fb980198d2217d19dc20
[INFO] running `"docker" "start" "-a" "0f8b9eab46ee54d0b277f0d26ad55ac496253e30f855fb980198d2217d19dc20"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collatz-b07f8788ee10520a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test collatz::test_collatz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0f8b9eab46ee54d0b277f0d26ad55ac496253e30f855fb980198d2217d19dc20"`
[INFO] running `"docker" "rm" "-f" "0f8b9eab46ee54d0b277f0d26ad55ac496253e30f855fb980198d2217d19dc20"`
[INFO] [stdout] 0f8b9eab46ee54d0b277f0d26ad55ac496253e30f855fb980198d2217d19dc20