[INFO] crate num-rational 0.2.2 is already in cache
[INFO] extracting crate num-rational 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/num-rational/0.2.2
[INFO] extracting crate num-rational 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/num-rational/0.2.2
[INFO] validating manifest of num-rational-0.2.2 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 num-rational-0.2.2 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 num-rational-0.2.2
[INFO] finished frobbing num-rational-0.2.2
[INFO] frobbed toml for num-rational-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/num-rational/0.2.2/Cargo.toml
[INFO] started frobbing num-rational-0.2.2
[INFO] finished frobbing num-rational-0.2.2
[INFO] frobbed toml for num-rational-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/num-rational/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 num-rational-0.2.2 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/num-rational/0.2.2:/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] a55293851fb1ecd3f8e716a27438506debc3acd68b5cb1f18249a159e22ab300
[INFO] running `"docker" "start" "-a" "a55293851fb1ecd3f8e716a27438506debc3acd68b5cb1f18249a159e22ab300"`
[INFO] [stderr]    Compiling num-rational v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "a55293851fb1ecd3f8e716a27438506debc3acd68b5cb1f18249a159e22ab300"`
[INFO] running `"docker" "rm" "-f" "a55293851fb1ecd3f8e716a27438506debc3acd68b5cb1f18249a159e22ab300"`
[INFO] [stdout] a55293851fb1ecd3f8e716a27438506debc3acd68b5cb1f18249a159e22ab300
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/num-rational/0.2.2:/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] a63ce4bc1271b6fe75cb47efbe1658e0b4828a57be46dd01cf558328b9130a98
[INFO] running `"docker" "start" "-a" "a63ce4bc1271b6fe75cb47efbe1658e0b4828a57be46dd01cf558328b9130a98"`
[INFO] [stderr]    Compiling num-rational v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "a63ce4bc1271b6fe75cb47efbe1658e0b4828a57be46dd01cf558328b9130a98"`
[INFO] running `"docker" "rm" "-f" "a63ce4bc1271b6fe75cb47efbe1658e0b4828a57be46dd01cf558328b9130a98"`
[INFO] [stdout] a63ce4bc1271b6fe75cb47efbe1658e0b4828a57be46dd01cf558328b9130a98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/num-rational/0.2.2:/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] db7406be3141e532feb616e67f15afc2b39abfa1cc5fb54ed1899d2186162ebf
[INFO] running `"docker" "start" "-a" "db7406be3141e532feb616e67f15afc2b39abfa1cc5fb54ed1899d2186162ebf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/num_rational-8fd4a7d44f5a6af2
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test test::arith::test_sub ... ok
[INFO] [stdout] test test::arith::test_rem ... ok
[INFO] [stdout] test test::arith::test_neg ... ok
[INFO] [stdout] test test::arith::test_zero ... ok
[INFO] [stdout] test test::arith::test_mul ... ok
[INFO] [stdout] test test::arith::test_div ... ok
[INFO] [stdout] test test::ratio_iter_product ... ok
[INFO] [stdout] test test::test_cmp_overflow ... ok
[INFO] [stdout] test test::arith::test_add ... ok
[INFO] [stdout] test test::arith::test_checked_failures ... ok
[INFO] [stdout] test test::test_cmp ... ok
[INFO] [stdout] test test::test_from_pair ... ok
[INFO] [stdout] test test::test_approximate_float ... ok
[INFO] [stdout] test test::test_from_float_fail ... ok
[INFO] [stdout] test test::test_from_str_fail ... ok
[INFO] [stdout] test test::test_denom ... ok
[INFO] [stdout] test test::ratio_iter_sum ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_num_one ... ok
[INFO] [stdout] test test::test_new_reduce ... ok
[INFO] [stdout] test test::test_num_zero ... ok
[INFO] [stdout] test test::test_is_integer ... ok
[INFO] [stdout] test test::test_numer ... ok
[INFO] [stdout] test test::test_pow ... ok
[INFO] [stdout] test test::test_recip ... ok
[INFO] [stdout] test test::test_fract ... ok
[INFO] [stdout] test test::test_show ... ok
[INFO] [stdout] test test::test_test_constants ... ok
[INFO] [stdout] test test::test_round ... ok
[INFO] [stdout] test test::test_signed ... ok
[INFO] [stdout] test test::test_to_from_str ... ok
[INFO] [stdout] test test::test_to_integer ... ok
[INFO] [stdout] test test::test_into_pair ... ok
[INFO] [stdout] test test::test_from_float ... ok
[INFO] [stdout] test test::arith::test_div_0 ... ok
[INFO] [stdout] test test::test_new_zero ... ok
[INFO] [stdout] test test::test_recip_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num-rational
[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" "db7406be3141e532feb616e67f15afc2b39abfa1cc5fb54ed1899d2186162ebf"`
[INFO] running `"docker" "rm" "-f" "db7406be3141e532feb616e67f15afc2b39abfa1cc5fb54ed1899d2186162ebf"`
[INFO] [stdout] db7406be3141e532feb616e67f15afc2b39abfa1cc5fb54ed1899d2186162ebf