[INFO] crate doubts 0.1.0 is already in cache
[INFO] extracting crate doubts 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/doubts/0.1.0
[INFO] extracting crate doubts 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/doubts/0.1.0
[INFO] validating manifest of doubts-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 doubts-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 doubts-0.1.0
[INFO] finished frobbing doubts-0.1.0
[INFO] frobbed toml for doubts-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/doubts/0.1.0/Cargo.toml
[INFO] started frobbing doubts-0.1.0
[INFO] finished frobbing doubts-0.1.0
[INFO] frobbed toml for doubts-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/doubts/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 doubts-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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/doubts/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] 34d5729a5e4f469e09fc49cb279cdd5d4490317a4637ec04f98d9ca24b2aad64
[INFO] running `"docker" "start" "-a" "34d5729a5e4f469e09fc49cb279cdd5d4490317a4637ec04f98d9ca24b2aad64"`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `"docker" "inspect" "34d5729a5e4f469e09fc49cb279cdd5d4490317a4637ec04f98d9ca24b2aad64"`
[INFO] running `"docker" "rm" "-f" "34d5729a5e4f469e09fc49cb279cdd5d4490317a4637ec04f98d9ca24b2aad64"`
[INFO] [stdout] 34d5729a5e4f469e09fc49cb279cdd5d4490317a4637ec04f98d9ca24b2aad64
[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/reg/doubts/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] 4ca3404df92602af1643d70233d7ef843a26ec3aaf25a8b807da6e511d38dd61
[INFO] running `"docker" "start" "-a" "4ca3404df92602af1643d70233d7ef843a26ec3aaf25a8b807da6e511d38dd61"`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "4ca3404df92602af1643d70233d7ef843a26ec3aaf25a8b807da6e511d38dd61"`
[INFO] running `"docker" "rm" "-f" "4ca3404df92602af1643d70233d7ef843a26ec3aaf25a8b807da6e511d38dd61"`
[INFO] [stdout] 4ca3404df92602af1643d70233d7ef843a26ec3aaf25a8b807da6e511d38dd61
[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/reg/doubts/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] 8a82112a03aea0a5753d7b8819e6d70e28db8c2e79c1f830a3a69bcd357db7ac
[INFO] running `"docker" "start" "-a" "8a82112a03aea0a5753d7b8819e6d70e28db8c2e79c1f830a3a69bcd357db7ac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doubts-941d3915e391cbf7
[INFO] [stderr]    Doc-tests doubts
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - assert_that (line 15) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 64) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 7) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 30) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 53) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8a82112a03aea0a5753d7b8819e6d70e28db8c2e79c1f830a3a69bcd357db7ac"`
[INFO] running `"docker" "rm" "-f" "8a82112a03aea0a5753d7b8819e6d70e28db8c2e79c1f830a3a69bcd357db7ac"`
[INFO] [stdout] 8a82112a03aea0a5753d7b8819e6d70e28db8c2e79c1f830a3a69bcd357db7ac