[INFO] crate kync_test_plugin 0.1.4 is already in cache
[INFO] extracting crate kync_test_plugin 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/kync_test_plugin/0.1.4
[INFO] extracting crate kync_test_plugin 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kync_test_plugin/0.1.4
[INFO] validating manifest of kync_test_plugin-0.1.4 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 kync_test_plugin-0.1.4 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 kync_test_plugin-0.1.4
[INFO] finished frobbing kync_test_plugin-0.1.4
[INFO] frobbed toml for kync_test_plugin-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/kync_test_plugin/0.1.4/Cargo.toml
[INFO] started frobbing kync_test_plugin-0.1.4
[INFO] finished frobbing kync_test_plugin-0.1.4
[INFO] frobbed toml for kync_test_plugin-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kync_test_plugin/0.1.4/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kync_test_plugin-0.1.4 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kync_test_plugin/0.1.4:/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] 76b40840879133b17ffdd50bc9ac86da14b325e49096383119a8947d160e3378
[INFO] running `"docker" "start" "-a" "76b40840879133b17ffdd50bc9ac86da14b325e49096383119a8947d160e3378"`
[INFO] [stderr]    Compiling kync_test_plugin v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/ffi.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 |   /// The thread local error
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | / thread_local! {
[INFO] [stderr] 22 | |     static THREAD_LOCAL_ERR: RefCell<error_t> = RefCell::new(error_t {
[INFO] [stderr] 23 | |         error_type: ptr::null(), error_type_len: 0,
[INFO] [stderr] 24 | |         description: ptr::null(), description_len: 0,
[INFO] [stderr] 25 | |         info: 0
[INFO] [stderr] 26 | |     });
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "76b40840879133b17ffdd50bc9ac86da14b325e49096383119a8947d160e3378"`
[INFO] running `"docker" "rm" "-f" "76b40840879133b17ffdd50bc9ac86da14b325e49096383119a8947d160e3378"`
[INFO] [stdout] 76b40840879133b17ffdd50bc9ac86da14b325e49096383119a8947d160e3378
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kync_test_plugin/0.1.4:/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] e0d7bfa098881b062760edae91fa5191baedfb7d43778c026c069a31c6a98928
[INFO] running `"docker" "start" "-a" "e0d7bfa098881b062760edae91fa5191baedfb7d43778c026c069a31c6a98928"`
[INFO] [stderr]    Compiling kync_test_plugin v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/ffi.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 |   /// The thread local error
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | / thread_local! {
[INFO] [stderr] 22 | |     static THREAD_LOCAL_ERR: RefCell<error_t> = RefCell::new(error_t {
[INFO] [stderr] 23 | |         error_type: ptr::null(), error_type_len: 0,
[INFO] [stderr] 24 | |         description: ptr::null(), description_len: 0,
[INFO] [stderr] 25 | |         info: 0
[INFO] [stderr] 26 | |     });
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "e0d7bfa098881b062760edae91fa5191baedfb7d43778c026c069a31c6a98928"`
[INFO] running `"docker" "rm" "-f" "e0d7bfa098881b062760edae91fa5191baedfb7d43778c026c069a31c6a98928"`
[INFO] [stdout] e0d7bfa098881b062760edae91fa5191baedfb7d43778c026c069a31c6a98928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kync_test_plugin/0.1.4:/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] 4ef5f41aab313ed4c855dfc3647fdd7fb7d76da143d2c1d8072e23101458d73d
[INFO] running `"docker" "start" "-a" "4ef5f41aab313ed4c855dfc3647fdd7fb7d76da143d2c1d8072e23101458d73d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kync_test_plugin-bcb727c54d13c97b
[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" "4ef5f41aab313ed4c855dfc3647fdd7fb7d76da143d2c1d8072e23101458d73d"`
[INFO] running `"docker" "rm" "-f" "4ef5f41aab313ed4c855dfc3647fdd7fb7d76da143d2c1d8072e23101458d73d"`
[INFO] [stdout] 4ef5f41aab313ed4c855dfc3647fdd7fb7d76da143d2c1d8072e23101458d73d