[INFO] crate randselect 0.2.4 is already in cache
[INFO] extracting crate randselect 0.2.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/randselect/0.2.4
[INFO] extracting crate randselect 0.2.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/randselect/0.2.4
[INFO] validating manifest of randselect-0.2.4 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 randselect-0.2.4 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 randselect-0.2.4
[INFO] finished frobbing randselect-0.2.4
[INFO] frobbed toml for randselect-0.2.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/randselect/0.2.4/Cargo.toml
[INFO] started frobbing randselect-0.2.4
[INFO] finished frobbing randselect-0.2.4
[INFO] frobbed toml for randselect-0.2.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/randselect/0.2.4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing randselect-0.2.4 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/randselect/0.2.4:/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] baf4679436d2486b4c3ce9b308f612cb3e14e3fe7738757fe093f8224046ac71
[INFO] running `"docker" "start" "-a" "baf4679436d2486b4c3ce9b308f612cb3e14e3fe7738757fe093f8224046ac71"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling human-panic v1.0.1
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling randselect v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `"docker" "inspect" "baf4679436d2486b4c3ce9b308f612cb3e14e3fe7738757fe093f8224046ac71"`
[INFO] running `"docker" "rm" "-f" "baf4679436d2486b4c3ce9b308f612cb3e14e3fe7738757fe093f8224046ac71"`
[INFO] [stdout] baf4679436d2486b4c3ce9b308f612cb3e14e3fe7738757fe093f8224046ac71
[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/randselect/0.2.4:/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] 19f0bb64eef2d706097e71767a8141504b6c5159b8006f2542187dc2ad9dea90
[INFO] running `"docker" "start" "-a" "19f0bb64eef2d706097e71767a8141504b6c5159b8006f2542187dc2ad9dea90"`
[INFO] [stderr]    Compiling randselect v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "19f0bb64eef2d706097e71767a8141504b6c5159b8006f2542187dc2ad9dea90"`
[INFO] running `"docker" "rm" "-f" "19f0bb64eef2d706097e71767a8141504b6c5159b8006f2542187dc2ad9dea90"`
[INFO] [stdout] 19f0bb64eef2d706097e71767a8141504b6c5159b8006f2542187dc2ad9dea90
[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/randselect/0.2.4:/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] 14364f76a4120b934e5b0fe7e4cd59ebe937c962cb55c0d5dd37df3e57a6e54c
[INFO] running `"docker" "start" "-a" "14364f76a4120b934e5b0fe7e4cd59ebe937c962cb55c0d5dd37df3e57a6e54c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randselect-7e8d23fe8a385a21
[INFO] [stderr] [2019-08-23 12:29:34][randselect::utils][WARN] Logger was already set and cannot be reset.
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randselect-b7beace5a04e7cba
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_invalid_paths ... ok
[INFO] [stdout] test test::test_valid_paths ... ok
[INFO] [stdout] test utils::test::test_set_log_level_1 ... ok
[INFO] [stdout] test utils::test::test_set_log_level_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::test::test_set_log_level_5 ... ok
[INFO] [stdout] test utils::test::test_set_log_level_1 ... ok
[INFO] [stderr] [2019-08-23 12:29:34][randselect::utils][WARN] Logger was already set and cannot be reset.
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_test-571a6d139d855837
[INFO] [stderr]    Doc-tests randselect
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test runs_without_error ... ok
[INFO] [stdout] test runs_with_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "14364f76a4120b934e5b0fe7e4cd59ebe937c962cb55c0d5dd37df3e57a6e54c"`
[INFO] running `"docker" "rm" "-f" "14364f76a4120b934e5b0fe7e4cd59ebe937c962cb55c0d5dd37df3e57a6e54c"`
[INFO] [stdout] 14364f76a4120b934e5b0fe7e4cd59ebe937c962cb55c0d5dd37df3e57a6e54c