[INFO] crate septem 1.0.1 is already in cache
[INFO] extracting crate septem 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/septem/1.0.1
[INFO] extracting crate septem 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/septem/1.0.1
[INFO] validating manifest of septem-1.0.1 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 septem-1.0.1 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 septem-1.0.1
[INFO] finished frobbing septem-1.0.1
[INFO] frobbed toml for septem-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/septem/1.0.1/Cargo.toml
[INFO] started frobbing septem-1.0.1
[INFO] finished frobbing septem-1.0.1
[INFO] frobbed toml for septem-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/septem/1.0.1/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 septem-1.0.1 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-3/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/septem/1.0.1:/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] 9f24b95a632804fe0c8bcf50250cd4bfed4e91377e1676d3869f09fb37e7a90c
[INFO] running `"docker" "start" "-a" "9f24b95a632804fe0c8bcf50250cd4bfed4e91377e1676d3869f09fb37e7a90c"`
[INFO] [stderr]    Compiling septem v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "9f24b95a632804fe0c8bcf50250cd4bfed4e91377e1676d3869f09fb37e7a90c"`
[INFO] running `"docker" "rm" "-f" "9f24b95a632804fe0c8bcf50250cd4bfed4e91377e1676d3869f09fb37e7a90c"`
[INFO] [stdout] 9f24b95a632804fe0c8bcf50250cd4bfed4e91377e1676d3869f09fb37e7a90c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/septem/1.0.1:/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] 4d35c2524d2c668f91699cd6e2be9951826ceaae45135dd1d454bc07d144e306
[INFO] running `"docker" "start" "-a" "4d35c2524d2c668f91699cd6e2be9951826ceaae45135dd1d454bc07d144e306"`
[INFO] [stderr]    Compiling septem v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "4d35c2524d2c668f91699cd6e2be9951826ceaae45135dd1d454bc07d144e306"`
[INFO] running `"docker" "rm" "-f" "4d35c2524d2c668f91699cd6e2be9951826ceaae45135dd1d454bc07d144e306"`
[INFO] [stdout] 4d35c2524d2c668f91699cd6e2be9951826ceaae45135dd1d454bc07d144e306
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/septem/1.0.1:/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] 4098f158983e6fc6964049de10a54f2bf8b6a3b3d10844a504051007b3e2f08b
[INFO] running `"docker" "start" "-a" "4098f158983e6fc6964049de10a54f2bf8b6a3b3d10844a504051007b3e2f08b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/septem-967252a704b78529
[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/digit-cd28e0b3e421a7ba
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::digit_display ... ok
[INFO] [stdout] test tests::from_int_invalid ... ok
[INFO] [stdout] test tests::from_int_valid ... ok
[INFO] [stdout] test tests::to_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roman-348090336e3e9403
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::from_int_too_high ... ok
[INFO] [stdout] test tests::display_roman ... ok
[INFO] [stdout] test tests::from_str_invalid ... ok
[INFO] [stdout] test tests::from_str_valid ... ok
[INFO] [stdout] test tests::from_unchecked ... ok
[INFO] [stdout] test tests::from_valid ... ok
[INFO] [stdout] test tests::parse_str ... ok
[INFO] [stdout] test tests::to_digits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests septem
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/roman.rs - roman::Roman (line 120) ... ok
[INFO] [stdout] test src/digit.rs - digit::Digit::from_byte (line 76) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::from (line 17) ... ok
[INFO] [stdout] test src/lib.rs -  (line 20) ... ok
[INFO] [stdout] test src/digit.rs - digit::Digit::from_int (line 21) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::from_str (line 140) ... ok
[INFO] [stdout] test src/digit.rs - digit::Digit::from_char (line 50) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::from_unchecked (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4098f158983e6fc6964049de10a54f2bf8b6a3b3d10844a504051007b3e2f08b"`
[INFO] running `"docker" "rm" "-f" "4098f158983e6fc6964049de10a54f2bf8b6a3b3d10844a504051007b3e2f08b"`
[INFO] [stdout] 4098f158983e6fc6964049de10a54f2bf8b6a3b3d10844a504051007b3e2f08b