[INFO] crate randselect 0.2.3 is already in cache
[INFO] extracting crate randselect 0.2.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/randselect/0.2.3
[INFO] extracting crate randselect 0.2.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/randselect/0.2.3
[INFO] validating manifest of randselect-0.2.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of randselect-0.2.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing randselect-0.2.3
[INFO] finished frobbing randselect-0.2.3
[INFO] frobbed toml for randselect-0.2.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/randselect/0.2.3/Cargo.toml
[INFO] started frobbing randselect-0.2.3
[INFO] finished frobbing randselect-0.2.3
[INFO] frobbed toml for randselect-0.2.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/randselect/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing randselect-0.2.3 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/randselect/0.2.3:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 3837c8cd4baadf6568c9ae79113e7f0ad31c75d92e7356a43a69e3f61014724a
[INFO] running `"docker" "start" "-a" "3837c8cd4baadf6568c9ae79113e7f0ad31c75d92e7356a43a69e3f61014724a"`
[INFO] [stderr]    Compiling fern v0.5.7
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling human-panic v1.0.1
[INFO] [stderr]    Compiling randselect v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `"docker" "inspect" "3837c8cd4baadf6568c9ae79113e7f0ad31c75d92e7356a43a69e3f61014724a"`
[INFO] running `"docker" "rm" "-f" "3837c8cd4baadf6568c9ae79113e7f0ad31c75d92e7356a43a69e3f61014724a"`
[INFO] [stdout] 3837c8cd4baadf6568c9ae79113e7f0ad31c75d92e7356a43a69e3f61014724a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/randselect/0.2.3:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f9f6d53a639223d58722971efe30fdd68d319458f153378797c5c9c22123ef93
[INFO] running `"docker" "start" "-a" "f9f6d53a639223d58722971efe30fdd68d319458f153378797c5c9c22123ef93"`
[INFO] [stderr]    Compiling randselect v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "f9f6d53a639223d58722971efe30fdd68d319458f153378797c5c9c22123ef93"`
[INFO] running `"docker" "rm" "-f" "f9f6d53a639223d58722971efe30fdd68d319458f153378797c5c9c22123ef93"`
[INFO] [stdout] f9f6d53a639223d58722971efe30fdd68d319458f153378797c5c9c22123ef93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/randselect/0.2.3:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 2ea517173c3a496437d380326550a0335894a419da39ae96260387da1e28500a
[INFO] running `"docker" "start" "-a" "2ea517173c3a496437d380326550a0335894a419da39ae96260387da1e28500a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randselect-ff736d23f1bbc31f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] [2019-02-01 05:18:14][randselect][ERROR] The output directory cannot be the same as the input directory.
[INFO] [stderr] /opt/crater/workdir == /opt/crater/workdir
[INFO] [stderr] [2019-02-01 05:18:14][randselect::utils][WARN] Logger was already set and cannot be reset.
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randselect-2765844453a79c94
[INFO] [stdout] test utils::test::test_set_log_level_1 ... ok
[INFO] [stdout] test test::test_valid_paths ... ok
[INFO] [stdout] test test::test_invalid_paths ... 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] [stderr] [2019-02-01 05:18:14][randselect::utils][WARN] Logger was already set and cannot be reset.
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_test-202b4fe4802c97eb
[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] [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" "2ea517173c3a496437d380326550a0335894a419da39ae96260387da1e28500a"`
[INFO] running `"docker" "rm" "-f" "2ea517173c3a496437d380326550a0335894a419da39ae96260387da1e28500a"`
[INFO] [stdout] 2ea517173c3a496437d380326550a0335894a419da39ae96260387da1e28500a