[INFO] crate dexd 0.1.0 is already in cache
[INFO] testing dexd-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate dexd 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dexd 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dexd 0.1.0
[INFO] finished tweaking crates.io crate dexd 0.1.0
[INFO] tweaked toml for crates.io crate dexd 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c43254b7c1b5157c5f7e9f6eb5ea19b4fd54022d3d10b48ca51921d6a144180f
[INFO] running `"docker" "start" "-a" "c43254b7c1b5157c5f7e9f6eb5ea19b4fd54022d3d10b48ca51921d6a144180f"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dexd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArrayItem {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArray {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/encoded_value.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let value = number_of_bytes(value_type << 5);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/map_list.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         file.seek(SeekFrom::Start(offset.into()));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     dexfile.seek(SeekFrom::Start(start.into()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     file.write_all(line.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/string_data_item.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         file.seek(SeekFrom::Start(offset.into()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.09s
[INFO] running `"docker" "inspect" "c43254b7c1b5157c5f7e9f6eb5ea19b4fd54022d3d10b48ca51921d6a144180f"`
[INFO] running `"docker" "rm" "-f" "c43254b7c1b5157c5f7e9f6eb5ea19b4fd54022d3d10b48ca51921d6a144180f"`
[INFO] [stdout] c43254b7c1b5157c5f7e9f6eb5ea19b4fd54022d3d10b48ca51921d6a144180f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 984fc8fa75e0d6cefb221643f91c5f2a1c6bb9f9a8d67b533c8024269bb7c61f
[INFO] running `"docker" "start" "-a" "984fc8fa75e0d6cefb221643f91c5f2a1c6bb9f9a8d67b533c8024269bb7c61f"`
[INFO] [stderr]    Compiling dexd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArrayItem {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArray {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/encoded_value.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let value = number_of_bytes(value_type << 5);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/map_list.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         file.seek(SeekFrom::Start(offset.into()));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     dexfile.seek(SeekFrom::Start(start.into()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     file.write_all(line.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/string_data_item.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         file.seek(SeekFrom::Start(offset.into()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArrayItem {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArray {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/encoded_value.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let value = number_of_bytes(value_type << 5);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/map_list.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         file.seek(SeekFrom::Start(offset.into()));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     dexfile.seek(SeekFrom::Start(start.into()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     file.write_all(line.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/string_data_item.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         file.seek(SeekFrom::Start(offset.into()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "984fc8fa75e0d6cefb221643f91c5f2a1c6bb9f9a8d67b533c8024269bb7c61f"`
[INFO] running `"docker" "rm" "-f" "984fc8fa75e0d6cefb221643f91c5f2a1c6bb9f9a8d67b533c8024269bb7c61f"`
[INFO] [stdout] 984fc8fa75e0d6cefb221643f91c5f2a1c6bb9f9a8d67b533c8024269bb7c61f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] fb886cc489e8b325b2ee21aa7b47ff1097e3d779a8ef883c81ffffddb6b22f3e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fb886cc489e8b325b2ee21aa7b47ff1097e3d779a8ef883c81ffffddb6b22f3e"`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArrayItem {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArray {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/encoded_value.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let value = number_of_bytes(value_type << 5);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/map_list.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         file.seek(SeekFrom::Start(offset.into()));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     dexfile.seek(SeekFrom::Start(start.into()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     file.write_all(line.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/string_data_item.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         file.seek(SeekFrom::Start(offset.into()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArrayItem {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/encoded_array_item.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(data: &mut Cursor<&Vec<u8>>) -> EncodedArray {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/encoded_value.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let value = number_of_bytes(value_type << 5);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/map_list.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         file.seek(SeekFrom::Start(offset.into()));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     dexfile.seek(SeekFrom::Start(start.into()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prelude.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     file.write_all(line.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/string_data_item.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         file.seek(SeekFrom::Start(offset.into()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dexd-c370401c9b53f712
[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/rustwide/target/debug/deps/dexd-41c2ce1c52e17efc
[INFO] [stderr]    Doc-tests dexd
[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] [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" "fb886cc489e8b325b2ee21aa7b47ff1097e3d779a8ef883c81ffffddb6b22f3e"`
[INFO] running `"docker" "rm" "-f" "fb886cc489e8b325b2ee21aa7b47ff1097e3d779a8ef883c81ffffddb6b22f3e"`
[INFO] [stdout] fb886cc489e8b325b2ee21aa7b47ff1097e3d779a8ef883c81ffffddb6b22f3e