[INFO] crate test_common 1.0.1 is already in cache
[INFO] extracting crate test_common 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/test_common/1.0.1
[INFO] extracting crate test_common 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/test_common/1.0.1
[INFO] validating manifest of test_common-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 test_common-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 test_common-1.0.1
[INFO] finished frobbing test_common-1.0.1
[INFO] frobbed toml for test_common-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/test_common/1.0.1/Cargo.toml
[INFO] started frobbing test_common-1.0.1
[INFO] finished frobbing test_common-1.0.1
[INFO] frobbed toml for test_common-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/test_common/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 test_common-1.0.1 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/test_common/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bb314bb359f3f5b7b70ce49cd74cfe5c245bae89538c062a0095e0c3f55662c4
[INFO] running `"docker" "start" "-a" "bb314bb359f3f5b7b70ce49cd74cfe5c245bae89538c062a0095e0c3f55662c4"`
[INFO] [stderr]    Compiling test_common v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "bb314bb359f3f5b7b70ce49cd74cfe5c245bae89538c062a0095e0c3f55662c4"`
[INFO] running `"docker" "rm" "-f" "bb314bb359f3f5b7b70ce49cd74cfe5c245bae89538c062a0095e0c3f55662c4"`
[INFO] [stdout] bb314bb359f3f5b7b70ce49cd74cfe5c245bae89538c062a0095e0c3f55662c4
[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/test_common/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4bd4847ac069bbacfbd9bf7e69b78b00109f4e315a39ad644b3d6f403069b630
[INFO] running `"docker" "start" "-a" "4bd4847ac069bbacfbd9bf7e69b78b00109f4e315a39ad644b3d6f403069b630"`
[INFO] [stderr]    Compiling test_common v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `test_folder_path` is never read
[INFO] [stderr]   --> src/fs/tmp.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut test_folder_path = PathBuf::from("/");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "4bd4847ac069bbacfbd9bf7e69b78b00109f4e315a39ad644b3d6f403069b630"`
[INFO] running `"docker" "rm" "-f" "4bd4847ac069bbacfbd9bf7e69b78b00109f4e315a39ad644b3d6f403069b630"`
[INFO] [stdout] 4bd4847ac069bbacfbd9bf7e69b78b00109f4e315a39ad644b3d6f403069b630
[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/test_common/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 97fe821f54649a4eba99e3e836476167b91e650b1789f3e8583439098273fcba
[INFO] running `"docker" "start" "-a" "97fe821f54649a4eba99e3e836476167b91e650b1789f3e8583439098273fcba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_common-f802b41369bb8a2f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test fs::ops::tests::test_delete_existing_files ... ok
[INFO] [stdout] test fs::ops::tests::test_copy_files ... ok
[INFO] [stdout] test fs::crypto::tests::test_hash_file ... ok
[INFO] [stdout] test fs::ops::tests::test_delete_file ... ok
[INFO] [stderr]    Doc-tests test_common
[INFO] [stdout] test fs::tmp::tests::test_create_test_environment ... ok
[INFO] [stdout] test fs::ops::tests::test_deleting_non_existing_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/fs/tmp.rs - fs::tmp::TestEnvironment (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/fs/tmp.rs - fs::tmp::TestEnvironment (line 13) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `test_common::TestEnvironment`
[INFO] [stdout]  --> src/fs/tmp.rs:14:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use test_common::TestEnvironment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TestEnvironment` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/fs/tmp.rs - fs::tmp::TestEnvironment (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "97fe821f54649a4eba99e3e836476167b91e650b1789f3e8583439098273fcba"`
[INFO] running `"docker" "rm" "-f" "97fe821f54649a4eba99e3e836476167b91e650b1789f3e8583439098273fcba"`
[INFO] [stdout] 97fe821f54649a4eba99e3e836476167b91e650b1789f3e8583439098273fcba