[INFO] crate config_file_handler 0.11.0 is already in cache
[INFO] extracting crate config_file_handler 0.11.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/config_file_handler/0.11.0
[INFO] extracting crate config_file_handler 0.11.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/config_file_handler/0.11.0
[INFO] validating manifest of config_file_handler-0.11.0 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 config_file_handler-0.11.0 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 config_file_handler-0.11.0
[INFO] finished frobbing config_file_handler-0.11.0
[INFO] frobbed toml for config_file_handler-0.11.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/config_file_handler/0.11.0/Cargo.toml
[INFO] started frobbing config_file_handler-0.11.0
[INFO] finished frobbing config_file_handler-0.11.0
[INFO] frobbed toml for config_file_handler-0.11.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/config_file_handler/0.11.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] testing config_file_handler-0.11.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/config_file_handler/0.11.0:/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] 4d5cf90bdb9e79da60d9105431bf2c6e0c0febe790daa1d8584efe20ff6ef43b
[INFO] running `"docker" "start" "-a" "4d5cf90bdb9e79da60d9105431bf2c6e0c0febe790daa1d8584efe20ff6ef43b"`
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling config_file_handler v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     private_no_mangle_fns,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     warnings
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     private_no_mangle_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/file_handler.rs:421:24
[INFO] [stderr]     |
[INFO] [stderr] 421 |     let mut home_dir = env::home_dir()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:30:5
[INFO] [stderr]     |
[INFO] [stderr] 30  |     deprecated,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "4d5cf90bdb9e79da60d9105431bf2c6e0c0febe790daa1d8584efe20ff6ef43b"`
[INFO] running `"docker" "rm" "-f" "4d5cf90bdb9e79da60d9105431bf2c6e0c0febe790daa1d8584efe20ff6ef43b"`
[INFO] [stdout] 4d5cf90bdb9e79da60d9105431bf2c6e0c0febe790daa1d8584efe20ff6ef43b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/config_file_handler/0.11.0:/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] 3ac4262d4cfebc6151edc4b4f8b101e7d89fc569ec2c176fb102bcca1981eddd
[INFO] running `"docker" "start" "-a" "3ac4262d4cfebc6151edc4b4f8b101e7d89fc569ec2c176fb102bcca1981eddd"`
[INFO] [stderr]    Compiling config_file_handler v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     private_no_mangle_fns,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     warnings
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     private_no_mangle_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/file_handler.rs:421:24
[INFO] [stderr]     |
[INFO] [stderr] 421 |     let mut home_dir = env::home_dir()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:30:5
[INFO] [stderr]     |
[INFO] [stderr] 30  |     deprecated,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "3ac4262d4cfebc6151edc4b4f8b101e7d89fc569ec2c176fb102bcca1981eddd"`
[INFO] running `"docker" "rm" "-f" "3ac4262d4cfebc6151edc4b4f8b101e7d89fc569ec2c176fb102bcca1981eddd"`
[INFO] [stdout] 3ac4262d4cfebc6151edc4b4f8b101e7d89fc569ec2c176fb102bcca1981eddd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/config_file_handler/0.11.0:/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] 82b0523870920bf45a81c31bd67cedbdbeb18ffe772fe4940e34a5211e395fdc
[INFO] running `"docker" "start" "-a" "82b0523870920bf45a81c31bd67cedbdbeb18ffe772fe4940e34a5211e395fdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/config_file_handler-43be690c80dd76ad
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test file_handler::test::print_paths ... ignored
[INFO] [stdout] test file_handler::test::existing_file_is_overwritten ... ok
[INFO] [stdout] test file_handler::test::read_write_file_test ... ok
[INFO] [stdout] test file_handler::test::concurrent_writes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests config_file_handler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/file_handler.rs - file_handler::ScopedUserAppDirRemover (line 531) ... 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" "82b0523870920bf45a81c31bd67cedbdbeb18ffe772fe4940e34a5211e395fdc"`
[INFO] running `"docker" "rm" "-f" "82b0523870920bf45a81c31bd67cedbdbeb18ffe772fe4940e34a5211e395fdc"`
[INFO] [stdout] 82b0523870920bf45a81c31bd67cedbdbeb18ffe772fe4940e34a5211e395fdc