[INFO] crate math_utils 0.1.0 is already in cache
[INFO] extracting crate math_utils 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/math_utils/0.1.0
[INFO] extracting crate math_utils 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/math_utils/0.1.0
[INFO] validating manifest of math_utils-0.1.0 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 math_utils-0.1.0 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 math_utils-0.1.0
[INFO] finished frobbing math_utils-0.1.0
[INFO] frobbed toml for math_utils-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/math_utils/0.1.0/Cargo.toml
[INFO] started frobbing math_utils-0.1.0
[INFO] finished frobbing math_utils-0.1.0
[INFO] frobbed toml for math_utils-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/math_utils/0.1.0/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 math_utils-0.1.0 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/math_utils/0.1.0:/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] 92b5aed8847cc312af7f344cd67c5520d19024d1b4c9bf4cb989e04f4169e2b4
[INFO] running `"docker" "start" "-a" "92b5aed8847cc312af7f344cd67c5520d19024d1b4c9bf4cb989e04f4169e2b4"`
[INFO] [stderr]    Compiling math_utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "92b5aed8847cc312af7f344cd67c5520d19024d1b4c9bf4cb989e04f4169e2b4"`
[INFO] running `"docker" "rm" "-f" "92b5aed8847cc312af7f344cd67c5520d19024d1b4c9bf4cb989e04f4169e2b4"`
[INFO] [stdout] 92b5aed8847cc312af7f344cd67c5520d19024d1b4c9bf4cb989e04f4169e2b4
[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/math_utils/0.1.0:/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] 4a0cf23a14308ad894001aac88e98eff279fb71059b7923cd453553e85823d96
[INFO] running `"docker" "start" "-a" "4a0cf23a14308ad894001aac88e98eff279fb71059b7923cd453553e85823d96"`
[INFO] [stderr]    Compiling math_utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "4a0cf23a14308ad894001aac88e98eff279fb71059b7923cd453553e85823d96"`
[INFO] running `"docker" "rm" "-f" "4a0cf23a14308ad894001aac88e98eff279fb71059b7923cd453553e85823d96"`
[INFO] [stdout] 4a0cf23a14308ad894001aac88e98eff279fb71059b7923cd453553e85823d96
[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/math_utils/0.1.0:/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] dcdba4e77e0a833314fad79b6f0c4d9d5d19d149de532624c42d78f1e7fa5fe2
[INFO] running `"docker" "start" "-a" "dcdba4e77e0a833314fad79b6f0c4d9d5d19d149de532624c42d78f1e7fa5fe2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/math_utils-e9e9272b6701d9c3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_gdc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math_utils
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - gcd (line 5) ... 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" "dcdba4e77e0a833314fad79b6f0c4d9d5d19d149de532624c42d78f1e7fa5fe2"`
[INFO] running `"docker" "rm" "-f" "dcdba4e77e0a833314fad79b6f0c4d9d5d19d149de532624c42d78f1e7fa5fe2"`
[INFO] [stdout] dcdba4e77e0a833314fad79b6f0c4d9d5d19d149de532624c42d78f1e7fa5fe2