[INFO] crate terbilang 0.1.0 is already in cache
[INFO] extracting crate terbilang 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/terbilang/0.1.0
[INFO] extracting crate terbilang 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/terbilang/0.1.0
[INFO] validating manifest of terbilang-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 terbilang-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 terbilang-0.1.0
[INFO] finished frobbing terbilang-0.1.0
[INFO] frobbed toml for terbilang-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/terbilang/0.1.0/Cargo.toml
[INFO] started frobbing terbilang-0.1.0
[INFO] finished frobbing terbilang-0.1.0
[INFO] frobbed toml for terbilang-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/terbilang/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 terbilang-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/terbilang/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 50aefc783b94eea3f667ac84c766881cc1a71cc298431c2bda00a2a5013b0381
[INFO] running `"docker" "start" "-a" "50aefc783b94eea3f667ac84c766881cc1a71cc298431c2bda00a2a5013b0381"`
[INFO] [stderr]    Compiling terbilang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `number`
[INFO] [stderr]  --> src/lib.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     number: T
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "50aefc783b94eea3f667ac84c766881cc1a71cc298431c2bda00a2a5013b0381"`
[INFO] running `"docker" "rm" "-f" "50aefc783b94eea3f667ac84c766881cc1a71cc298431c2bda00a2a5013b0381"`
[INFO] [stdout] 50aefc783b94eea3f667ac84c766881cc1a71cc298431c2bda00a2a5013b0381
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/terbilang/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7493d1fe425add93c4c109b72b5cf90ffd0b60573c444455fd756c2e7d7ab77
[INFO] running `"docker" "start" "-a" "a7493d1fe425add93c4c109b72b5cf90ffd0b60573c444455fd756c2e7d7ab77"`
[INFO] [stderr]    Compiling terbilang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `number`
[INFO] [stderr]  --> src/lib.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     number: T
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a7493d1fe425add93c4c109b72b5cf90ffd0b60573c444455fd756c2e7d7ab77"`
[INFO] running `"docker" "rm" "-f" "a7493d1fe425add93c4c109b72b5cf90ffd0b60573c444455fd756c2e7d7ab77"`
[INFO] [stdout] a7493d1fe425add93c4c109b72b5cf90ffd0b60573c444455fd756c2e7d7ab77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/terbilang/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f149e5443ce8b7893947dc761bf55bdfdd9a898906823e5f2dec598d8dcb96f1
[INFO] running `"docker" "start" "-a" "f149e5443ce8b7893947dc761bf55bdfdd9a898906823e5f2dec598d8dcb96f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/terbilang-620e464869177e7a
[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] [stderr]      Running /opt/crater/target/debug/deps/test-cd7a54660fe209dd
[INFO] [stderr]    Doc-tests terbilang
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_integer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "f149e5443ce8b7893947dc761bf55bdfdd9a898906823e5f2dec598d8dcb96f1"`
[INFO] running `"docker" "rm" "-f" "f149e5443ce8b7893947dc761bf55bdfdd9a898906823e5f2dec598d8dcb96f1"`
[INFO] [stdout] f149e5443ce8b7893947dc761bf55bdfdd9a898906823e5f2dec598d8dcb96f1