[INFO] crate enumerate-split 0.0.1 is already in cache
[INFO] extracting crate enumerate-split 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/enumerate-split/0.0.1
[INFO] extracting crate enumerate-split 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/enumerate-split/0.0.1
[INFO] validating manifest of enumerate-split-0.0.1 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 enumerate-split-0.0.1 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 enumerate-split-0.0.1
[INFO] finished frobbing enumerate-split-0.0.1
[INFO] frobbed toml for enumerate-split-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/enumerate-split/0.0.1/Cargo.toml
[INFO] started frobbing enumerate-split-0.0.1
[INFO] finished frobbing enumerate-split-0.0.1
[INFO] frobbed toml for enumerate-split-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/enumerate-split/0.0.1/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 enumerate-split-0.0.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enumerate-split/0.0.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2131e4d7aa6480c2b38ec52ef881310ec54d853ca750018676c7c1d4280cd467
[INFO] running `"docker" "start" "-a" "2131e4d7aa6480c2b38ec52ef881310ec54d853ca750018676c7c1d4280cd467"`
[INFO] [stderr]    Compiling enumerate-split v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `"docker" "inspect" "2131e4d7aa6480c2b38ec52ef881310ec54d853ca750018676c7c1d4280cd467"`
[INFO] running `"docker" "rm" "-f" "2131e4d7aa6480c2b38ec52ef881310ec54d853ca750018676c7c1d4280cd467"`
[INFO] [stdout] 2131e4d7aa6480c2b38ec52ef881310ec54d853ca750018676c7c1d4280cd467
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enumerate-split/0.0.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d670662c25a8267fef869e5dcf1fb68bab57f8a2466b3fedd1aa2faa1c2c89b6
[INFO] running `"docker" "start" "-a" "d670662c25a8267fef869e5dcf1fb68bab57f8a2466b3fedd1aa2faa1c2c89b6"`
[INFO] [stderr]    Compiling enumerate-split v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/lib.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     use std::io::prelude::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "d670662c25a8267fef869e5dcf1fb68bab57f8a2466b3fedd1aa2faa1c2c89b6"`
[INFO] running `"docker" "rm" "-f" "d670662c25a8267fef869e5dcf1fb68bab57f8a2466b3fedd1aa2faa1c2c89b6"`
[INFO] [stdout] d670662c25a8267fef869e5dcf1fb68bab57f8a2466b3fedd1aa2faa1c2c89b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enumerate-split/0.0.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 79c02ebb31e83965c644c694675f6ed9f79cef041f9d0324553c4f3551731488
[INFO] running `"docker" "start" "-a" "79c02ebb31e83965c644c694675f6ed9f79cef041f9d0324553c4f3551731488"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enumerate_split-eabede66df813f54
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::enumerate_split ... 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 enumerate-split
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - enumerate_split (line 38) ... 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" "79c02ebb31e83965c644c694675f6ed9f79cef041f9d0324553c4f3551731488"`
[INFO] running `"docker" "rm" "-f" "79c02ebb31e83965c644c694675f6ed9f79cef041f9d0324553c4f3551731488"`
[INFO] [stdout] 79c02ebb31e83965c644c694675f6ed9f79cef041f9d0324553c4f3551731488