[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e56587fbe11bc28b1ed6fca26857bd7f534c8e958a99139ffc690ebd1d89eead
[INFO] running `"docker" "start" "-a" "e56587fbe11bc28b1ed6fca26857bd7f534c8e958a99139ffc690ebd1d89eead"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling os_type v2.2.0
[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 6.48s
[INFO] running `"docker" "inspect" "e56587fbe11bc28b1ed6fca26857bd7f534c8e958a99139ffc690ebd1d89eead"`
[INFO] running `"docker" "rm" "-f" "e56587fbe11bc28b1ed6fca26857bd7f534c8e958a99139ffc690ebd1d89eead"`
[INFO] [stdout] e56587fbe11bc28b1ed6fca26857bd7f534c8e958a99139ffc690ebd1d89eead
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63bf87b45b49d1a745da23bd9ab726fab1bb028bbb2540864042dd212cdef362
[INFO] running `"docker" "start" "-a" "63bf87b45b49d1a745da23bd9ab726fab1bb028bbb2540864042dd212cdef362"`
[INFO] [stderr]    Compiling randselect v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "63bf87b45b49d1a745da23bd9ab726fab1bb028bbb2540864042dd212cdef362"`
[INFO] running `"docker" "rm" "-f" "63bf87b45b49d1a745da23bd9ab726fab1bb028bbb2540864042dd212cdef362"`
[INFO] [stdout] 63bf87b45b49d1a745da23bd9ab726fab1bb028bbb2540864042dd212cdef362
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 941fba3c7adfba6f4c9c34dce46c192fb92a95c2171be4cac22d02d336698157
[INFO] running `"docker" "start" "-a" "941fba3c7adfba6f4c9c34dce46c192fb92a95c2171be4cac22d02d336698157"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randselect-6944b882a854ffdb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_invalid_paths ... ok
[INFO] [stdout] test utils::test::test_set_log_level_1 ... ok
[INFO] [stdout] test test::test_valid_paths ... ok
[INFO] [stdout] test utils::test::test_set_log_level_5 ... ok
[INFO] [stderr] [2019-08-23 12:29:35][randselect::utils][WARN] Logger was already set and cannot be reset.
[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/randselect-ce3c00922185a4b0
[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] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] [2019-08-23 12:29:35][randselect::utils][WARN] Logger was already set and cannot be reset.
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_test-36f09dc2f2ecf716
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test runs_with_error ... ok
[INFO] [stdout] test runs_without_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests randselect
[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" "941fba3c7adfba6f4c9c34dce46c192fb92a95c2171be4cac22d02d336698157"`
[INFO] running `"docker" "rm" "-f" "941fba3c7adfba6f4c9c34dce46c192fb92a95c2171be4cac22d02d336698157"`
[INFO] [stdout] 941fba3c7adfba6f4c9c34dce46c192fb92a95c2171be4cac22d02d336698157