[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-1.38-1/sources/1.37.0/gh/carols10cents/rust-conversion-reference"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/carols10cents/rust-conversion-reference'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carols10cents/rust-conversion-reference" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carols10cents/rust-conversion-reference"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carols10cents/rust-conversion-reference 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 carols10cents/rust-conversion-reference
[INFO] finished frobbing carols10cents/rust-conversion-reference
[INFO] frobbed toml for carols10cents/rust-conversion-reference written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 carols10cents/rust-conversion-reference 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 871a1d4a9b03919d8803aaa9e7cb9ba7cced963fa5270b8a2844e8257ad24546
[INFO] running `"docker" "start" "-a" "871a1d4a9b03919d8803aaa9e7cb9ba7cced963fa5270b8a2844e8257ad24546"`
[INFO] [stderr]    Compiling rust-conversion-reference v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "871a1d4a9b03919d8803aaa9e7cb9ba7cced963fa5270b8a2844e8257ad24546"`
[INFO] running `"docker" "rm" "-f" "871a1d4a9b03919d8803aaa9e7cb9ba7cced963fa5270b8a2844e8257ad24546"`
[INFO] [stdout] 871a1d4a9b03919d8803aaa9e7cb9ba7cced963fa5270b8a2844e8257ad24546
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c59d70a7e16403427929f74902378d09968ad6401a99a4cfdeb0fcf284c4c4b5
[INFO] running `"docker" "start" "-a" "c59d70a7e16403427929f74902378d09968ad6401a99a4cfdeb0fcf284c4c4b5"`
[INFO] [stderr]    Compiling rust-conversion-reference v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "c59d70a7e16403427929f74902378d09968ad6401a99a4cfdeb0fcf284c4c4b5"`
[INFO] running `"docker" "rm" "-f" "c59d70a7e16403427929f74902378d09968ad6401a99a4cfdeb0fcf284c4c4b5"`
[INFO] [stdout] c59d70a7e16403427929f74902378d09968ad6401a99a4cfdeb0fcf284c4c4b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b3d24c919d2422ec8af8d92614e77f4023f0eb93497a453c588c6823446da246
[INFO] running `"docker" "start" "-a" "b3d24c919d2422ec8af8d92614e77f4023f0eb93497a453c588c6823446da246"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_conversion_reference-2fb7311948ee8d40
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_f64_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_boxedslice_to_vec_happy ... ok
[INFO] [stdout] test test_boxedslice_to_slice_happy ... ok
[INFO] [stdout] test test_f64_to_string_happy ... ok
[INFO] [stdout] test test_i32_to_u32_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_parse_option_handling_with_default_none ... ok
[INFO] [stdout] test test_slice_to_boxedslice_happy ... ok
[INFO] [stdout] test test_parse_option_handling_unwrap_some ... ok
[INFO] [stdout] test test_parse_option_handling_expect_some ... ok
[INFO] [stdout] test test_slice_to_vec_happy ... ok
[INFO] [stdout] test test_string_to_f64_happy ... ok
[INFO] [stdout] test test_u32_to_i32_happy ... ok
[INFO] [stdout] test test_vec_to_boxedslice_happy ... ok
[INFO] [stdout] test test_string_to_i32_happy ... ok
[INFO] [stdout] test test_string_to_u32_happy ... ok
[INFO] [stdout] test test_u32_to_string_happy ... ok
[INFO] [stdout] test test_u32_to_f64_happy ... ok
[INFO] [stdout] test test_vec_to_slice_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" "b3d24c919d2422ec8af8d92614e77f4023f0eb93497a453c588c6823446da246"`
[INFO] running `"docker" "rm" "-f" "b3d24c919d2422ec8af8d92614e77f4023f0eb93497a453c588c6823446da246"`
[INFO] [stdout] b3d24c919d2422ec8af8d92614e77f4023f0eb93497a453c588c6823446da246