[INFO] updating cached repository Igrom/constrain_value
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Igrom/constrain_value
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Igrom/constrain_value" "work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Igrom/constrain_value" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Igrom/constrain_value"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Igrom/constrain_value'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30f4879b472f963d1894243febd40f3d1f201748
[INFO] sha for GitHub repo Igrom/constrain_value: 30f4879b472f963d1894243febd40f3d1f201748
[INFO] validating manifest of Igrom/constrain_value 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 Igrom/constrain_value 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 Igrom/constrain_value
[INFO] finished frobbing Igrom/constrain_value
[INFO] frobbed toml for Igrom/constrain_value written to work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value/Cargo.toml
[INFO] started frobbing Igrom/constrain_value
[INFO] finished frobbing Igrom/constrain_value
[INFO] frobbed toml for Igrom/constrain_value written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Igrom/constrain_value/Cargo.toml
[INFO] crate Igrom/constrain_value 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 Igrom/constrain_value 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value:/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] 678e166416133907e9ed7cff48716bd94dc48e0e95f5b2d74c4825d1ecbfcf8f
[INFO] running `"docker" "start" "-a" "678e166416133907e9ed7cff48716bd94dc48e0e95f5b2d74c4825d1ecbfcf8f"`
[INFO] [stderr]    Compiling constrain_value v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "678e166416133907e9ed7cff48716bd94dc48e0e95f5b2d74c4825d1ecbfcf8f"`
[INFO] running `"docker" "rm" "-f" "678e166416133907e9ed7cff48716bd94dc48e0e95f5b2d74c4825d1ecbfcf8f"`
[INFO] [stdout] 678e166416133907e9ed7cff48716bd94dc48e0e95f5b2d74c4825d1ecbfcf8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value:/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] 4160b3968ac33b9d8ce21cf850fa9a525acf2bcb18bf6b4bf80eec30e0047201
[INFO] running `"docker" "start" "-a" "4160b3968ac33b9d8ce21cf850fa9a525acf2bcb18bf6b4bf80eec30e0047201"`
[INFO] [stderr]    Compiling constrain_value v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "4160b3968ac33b9d8ce21cf850fa9a525acf2bcb18bf6b4bf80eec30e0047201"`
[INFO] running `"docker" "rm" "-f" "4160b3968ac33b9d8ce21cf850fa9a525acf2bcb18bf6b4bf80eec30e0047201"`
[INFO] [stdout] 4160b3968ac33b9d8ce21cf850fa9a525acf2bcb18bf6b4bf80eec30e0047201
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Igrom/constrain_value:/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] fe5f31bd67224a0dd85223a39ce82c197d549d728c7bd7eae6339c5896ee3aeb
[INFO] running `"docker" "start" "-a" "fe5f31bd67224a0dd85223a39ce82c197d549d728c7bd7eae6339c5896ee3aeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/constrain_value-90a2fac6ebf1afff
[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] [stderr]      Running /opt/crater/target/debug/deps/constrain_value-dc229547ce61664d
[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] [stderr]      Running /opt/crater/target/debug/deps/main-65d928659621493a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_calculate_simple ... ok
[INFO] [stdout] test test_calculate_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests constrain_value
[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" "fe5f31bd67224a0dd85223a39ce82c197d549d728c7bd7eae6339c5896ee3aeb"`
[INFO] running `"docker" "rm" "-f" "fe5f31bd67224a0dd85223a39ce82c197d549d728c7bd7eae6339c5896ee3aeb"`
[INFO] [stdout] fe5f31bd67224a0dd85223a39ce82c197d549d728c7bd7eae6339c5896ee3aeb