[INFO] updating cached repository carols10cents/rust-conversion-reference
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carols10cents/rust-conversion-reference
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carols10cents/rust-conversion-reference" "work/ex/beta-1.37-6/sources/1.36.0/gh/carols10cents/rust-conversion-reference"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/carols10cents/rust-conversion-reference'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carols10cents/rust-conversion-reference" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a27129323b01d8a3a4a03c6cb51a1107daca6f4b
[INFO] sha for GitHub repo carols10cents/rust-conversion-reference: a27129323b01d8a3a4a03c6cb51a1107daca6f4b
[INFO] validating manifest of carols10cents/rust-conversion-reference 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 carols10cents/rust-conversion-reference 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 carols10cents/rust-conversion-reference
[INFO] finished frobbing carols10cents/rust-conversion-reference
[INFO] frobbed toml for carols10cents/rust-conversion-reference written to work/ex/beta-1.37-6/sources/1.36.0/gh/carols10cents/rust-conversion-reference/Cargo.toml
[INFO] started frobbing carols10cents/rust-conversion-reference
[INFO] finished frobbing carols10cents/rust-conversion-reference
[INFO] frobbed toml for carols10cents/rust-conversion-reference written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference/Cargo.toml
[INFO] crate carols10cents/rust-conversion-reference 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 carols10cents/rust-conversion-reference against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6cfd830be37c2aa00e87a2760d9610aa004a6d349ed749ddbecffe9f837fb449
[INFO] running `"docker" "start" "-a" "6cfd830be37c2aa00e87a2760d9610aa004a6d349ed749ddbecffe9f837fb449"`
[INFO] [stderr]    Compiling rust-conversion-reference v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "6cfd830be37c2aa00e87a2760d9610aa004a6d349ed749ddbecffe9f837fb449"`
[INFO] running `"docker" "rm" "-f" "6cfd830be37c2aa00e87a2760d9610aa004a6d349ed749ddbecffe9f837fb449"`
[INFO] [stdout] 6cfd830be37c2aa00e87a2760d9610aa004a6d349ed749ddbecffe9f837fb449
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73728a3c53621b4a0702defec2bb74a5fcc73cd550302bd21f62cb8155cac0fe
[INFO] running `"docker" "start" "-a" "73728a3c53621b4a0702defec2bb74a5fcc73cd550302bd21f62cb8155cac0fe"`
[INFO] [stderr]    Compiling rust-conversion-reference v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "73728a3c53621b4a0702defec2bb74a5fcc73cd550302bd21f62cb8155cac0fe"`
[INFO] running `"docker" "rm" "-f" "73728a3c53621b4a0702defec2bb74a5fcc73cd550302bd21f62cb8155cac0fe"`
[INFO] [stdout] 73728a3c53621b4a0702defec2bb74a5fcc73cd550302bd21f62cb8155cac0fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carols10cents/rust-conversion-reference:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2ca6859da01077339e33b0fad53c2e462d056b17fa279f1cacfce020318fe537
[INFO] running `"docker" "start" "-a" "2ca6859da01077339e33b0fad53c2e462d056b17fa279f1cacfce020318fe537"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_conversion_reference-ce739453b2767e2e
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_boxedslice_to_slice_happy ... ok
[INFO] [stdout] test test_boxedslice_to_vec_happy ... ok
[INFO] [stdout] test test_option_handling_with_default_some ... ok
[INFO] [stdout] test test_i32_to_string_happy ... ok
[INFO] [stdout] test test_i32_to_u32_happy ... ok
[INFO] [stdout] test test_f64_to_i32_happy ... ok
[INFO] [stdout] test test_i32_to_f64_happy ... ok
[INFO] [stdout] test test_f64_to_u32_happy ... ok
[INFO] [stdout] test test_parse_option_handling_unwrap_some ... ok
[INFO] [stdout] test test_slice_to_vec_happy ... ok
[INFO] [stdout] test test_parse_option_handling_expect_some ... ok
[INFO] [stdout] test test_parse_option_handling_with_default_none ... ok
[INFO] [stdout] test test_slice_to_boxedslice_happy ... ok
[INFO] [stdout] test test_f64_to_string_happy ... ok
[INFO] [stdout] test test_string_to_f64_happy ... ok
[INFO] [stdout] test test_u32_to_f64_happy ... ok
[INFO] [stdout] test test_u32_to_i32_happy ... ok
[INFO] [stdout] test test_string_to_i32_happy ... ok
[INFO] [stdout] test test_string_to_u32_happy ... ok
[INFO] [stdout] test test_vec_to_boxedslice_happy ... ok
[INFO] [stdout] test test_vec_to_slice_happy ... ok
[INFO] [stdout] test test_u32_to_string_happy ... ok
[INFO] [stdout] test test_parse_option_handling_expect_none ... ok
[INFO] [stdout] test test_parse_option_handling_unwrap_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2ca6859da01077339e33b0fad53c2e462d056b17fa279f1cacfce020318fe537"`
[INFO] running `"docker" "rm" "-f" "2ca6859da01077339e33b0fad53c2e462d056b17fa279f1cacfce020318fe537"`
[INFO] [stdout] 2ca6859da01077339e33b0fad53c2e462d056b17fa279f1cacfce020318fe537