[INFO] crate steganer 1.0.1 is already in cache
[INFO] extracting crate steganer 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/steganer/1.0.1
[INFO] extracting crate steganer 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/steganer/1.0.1
[INFO] validating manifest of steganer-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 steganer-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 steganer-1.0.1
[INFO] finished frobbing steganer-1.0.1
[INFO] frobbed toml for steganer-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/steganer/1.0.1/Cargo.toml
[INFO] started frobbing steganer-1.0.1
[INFO] finished frobbing steganer-1.0.1
[INFO] frobbed toml for steganer-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/steganer/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 steganer-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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/steganer/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] fc322da1bfe484d58372542ef7c0e3239b3cc7aa89ef7b5b13dd3bd62bb12c81
[INFO] running `"docker" "start" "-a" "fc322da1bfe484d58372542ef7c0e3239b3cc7aa89ef7b5b13dd3bd62bb12c81"`
[INFO] [stderr]    Compiling bitreader v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling steganer v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> src/fileio.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_image`
[INFO] [stderr]    --> src/stegimage.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn get_image(&mut self)-> &mut DynamicImage {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.95s
[INFO] running `"docker" "inspect" "fc322da1bfe484d58372542ef7c0e3239b3cc7aa89ef7b5b13dd3bd62bb12c81"`
[INFO] running `"docker" "rm" "-f" "fc322da1bfe484d58372542ef7c0e3239b3cc7aa89ef7b5b13dd3bd62bb12c81"`
[INFO] [stdout] fc322da1bfe484d58372542ef7c0e3239b3cc7aa89ef7b5b13dd3bd62bb12c81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/steganer/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] 1eaee185cee96097c89ea45dcaff40df6b518ef00a2b62858c966ab0aa17bbe9
[INFO] running `"docker" "start" "-a" "1eaee185cee96097c89ea45dcaff40df6b518ef00a2b62858c966ab0aa17bbe9"`
[INFO] [stderr]    Compiling test_common v1.0.1
[INFO] [stderr]    Compiling steganer v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/fileio.rs:378:27
[INFO] [stderr]     |
[INFO] [stderr] 378 |     use std::io::{Cursor, Read};
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integration_tests.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     copy_files(files_to_copy, test_folder_path.to_str()
[INFO] [stderr] 60 | |         .expect("Test folder path contains non valid unicode characters that made conversion impossible."));
[INFO] [stderr]    | |____________________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:482:17
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let mut pixel = container.get_image().get_pixel(0,0);
[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] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:506:17
[INFO] [stderr]     |
[INFO] [stderr] 506 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:548:17
[INFO] [stderr]     |
[INFO] [stderr] 548 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:572:17
[INFO] [stderr]     |
[INFO] [stderr] 572 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "1eaee185cee96097c89ea45dcaff40df6b518ef00a2b62858c966ab0aa17bbe9"`
[INFO] running `"docker" "rm" "-f" "1eaee185cee96097c89ea45dcaff40df6b518ef00a2b62858c966ab0aa17bbe9"`
[INFO] [stdout] 1eaee185cee96097c89ea45dcaff40df6b518ef00a2b62858c966ab0aa17bbe9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/steganer/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] 3296d4fad8692adb0076b600090391723651555ae39d98144ebe8cf383176810
[INFO] running `"docker" "start" "-a" "3296d4fad8692adb0076b600090391723651555ae39d98144ebe8cf383176810"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/steganer-34b6f7344df16eb5
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test fileio::tests::test_append_to_remainder ... ok
[INFO] [stdout] test bytetools::tests::test_get_bytes ... ok
[INFO] [stdout] test fileio::tests::test_add_remainder ... ok
[INFO] [stdout] test bytetools::tests::test_mask ... ok
[INFO] [stdout] test bytetools::tests::test_left_justify ... ok
[INFO] [stdout] test bytetools::tests::test_bytes_to_u24 ... ok
[INFO] [stdout] test bytetools::tests::test_u24_to_bytes ... ok
[INFO] [stdout] test bytetools::tests::test_get_bits ... ok
[INFO] [stdout] test fileio::tests::test_iterator_next_over_8 ... ok
[INFO] [stdout] test fileio::tests::test_get_remainder ... ok
[INFO] [stdout] test fileio::tests::test_writing_3_bits_chunks ... ok
[INFO] [stdout] test fileio::tests::test_writing_4_bits_chunks ... ok
[INFO] [stdout] test fileio::tests::test_store_remainder ... ok
[INFO] [stdout] test fileio::tests::test_iterator_next_under_8 ... ok
[INFO] [stdout] test fileio::tests::test_writing_12_bits_chunks ... ok
[INFO] [stdout] test fileio::tests::test_writing_23_bits_chunks ... ok
[INFO] [stdout] test fileio::tests::test_writing_8_bits_chunks ... ok
[INFO] [stdout] test stegimage::tests::test_container_image_iterator ... ok
[INFO] [stdout] test stegimage::tests::test_encode_data ... ok
[INFO] [stdout] test stegimage::tests::test_decode_up_to_16_bits ... ok
[INFO] [stdout] test stegimage::tests::test_decode_up_to_24_bits ... ok
[INFO] [stdout] test stegimage::tests::test_decode_less_than_8_bits ... ok
[INFO] [stdout] test stegimage::tests::test_decode_header ... ok
[INFO] [stdout] test stegimage::tests::test_encode_header ... ok
[INFO] [stdout] test stegimage::tests::test_encode_less_than_8_bits_masked ... ok
[INFO] [stdout] test stegimage::tests::test_drop ... ok
[INFO] [stdout] test stegimage::tests::test_encode_less_than_8_bits ... ok
[INFO] [stdout] test stegimage::tests::test_get_chunk_size ... ok
[INFO] [stdout] test stegimage::tests::test_support_image_with_no_extension ... ok
[INFO] [stdout] test stegimage::tests::test_supported_image ... ok
[INFO] [stdout] test stegimage::tests::test_encode_up_to_16_bits_masked ... ok
[INFO] [stdout] test stegimage::tests::test_encode_up_to_16_bits ... ok
[INFO] [stdout] test stegimage::tests::test_encode_up_to_24_bits ... ok
[INFO] [stdout] test stegimage::tests::test_encode_up_to_24_bits_masked ... ok
[INFO] [stdout] test stegimage::tests::test_get_chunk_size_file_too_big ... ok
[INFO] [stdout] test stegimage::tests::test_get_coordinates ... ok
[INFO] [stdout] test stegimage::tests::test_header_and_hidden_data_dont_overlap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/steganer-56530204b4ffef97
[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] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-3ccf76861546f0e5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_incorrect_hiding ... ok
[INFO] [stdout] test test_simple_hiding ... 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 steganer
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/bytetools.rs - bytetools::left_justify (line 114) ... ignored
[INFO] [stdout] test src/bytetools.rs - bytetools::mask (line 52) ... ignored
[INFO] [stdout] test src/fileio.rs - fileio::fmt (line 9) ... ignored
[INFO] [stdout] test src/bytetools.rs - bytetools::get_bits (line 84) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/bytetools.rs - bytetools::get_bits (line 84) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `get_bits` in this scope
[INFO] [stdout]  --> src/bytetools.rs:86:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | let bits_u32 = get_bits(INT, 24,2);
[INFO] [stdout]   |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/bytetools.rs - bytetools::get_bits (line 84)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3296d4fad8692adb0076b600090391723651555ae39d98144ebe8cf383176810"`
[INFO] running `"docker" "rm" "-f" "3296d4fad8692adb0076b600090391723651555ae39d98144ebe8cf383176810"`
[INFO] [stdout] 3296d4fad8692adb0076b600090391723651555ae39d98144ebe8cf383176810