[INFO] crate dexd 0.1.0 is already in cache
[INFO] extracting crate dexd 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/dexd/0.1.0
[INFO] extracting crate dexd 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dexd/0.1.0
[INFO] validating manifest of dexd-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dexd-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dexd-0.1.0
[INFO] finished frobbing dexd-0.1.0
[INFO] frobbed toml for dexd-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dexd/0.1.0/Cargo.toml
[INFO] started frobbing dexd-0.1.0
[INFO] finished frobbing dexd-0.1.0
[INFO] frobbed toml for dexd-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dexd/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dexd-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dexd/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3945c47a01b9d4160894765b865f4cbf644d71b7e8941cd2de111d75a1fead7b
[INFO] running `"docker" "start" "-a" "3945c47a01b9d4160894765b865f4cbf644d71b7e8941cd2de111d75a1fead7b"`
[INFO] [stderr]    Compiling dexd v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "3945c47a01b9d4160894765b865f4cbf644d71b7e8941cd2de111d75a1fead7b"`
[INFO] running `"docker" "rm" "-f" "3945c47a01b9d4160894765b865f4cbf644d71b7e8941cd2de111d75a1fead7b"`
[INFO] [stdout] 3945c47a01b9d4160894765b865f4cbf644d71b7e8941cd2de111d75a1fead7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dexd/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 22a18decb827837f71d233127fa7e612a209ddda88ddf252ebcb7dc81b3732f7
[INFO] running `"docker" "start" "-a" "22a18decb827837f71d233127fa7e612a209ddda88ddf252ebcb7dc81b3732f7"`
[INFO] [stderr]    Compiling dexd v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "22a18decb827837f71d233127fa7e612a209ddda88ddf252ebcb7dc81b3732f7"`
[INFO] running `"docker" "rm" "-f" "22a18decb827837f71d233127fa7e612a209ddda88ddf252ebcb7dc81b3732f7"`
[INFO] [stdout] 22a18decb827837f71d233127fa7e612a209ddda88ddf252ebcb7dc81b3732f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dexd/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cff45855edf428261bf5843ee8f31558bb59f6e3d23f6c15de155dd2ca98662d
[INFO] running `"docker" "start" "-a" "cff45855edf428261bf5843ee8f31558bb59f6e3d23f6c15de155dd2ca98662d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dexd-b250a0b2b54afd5f
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dexd-8b1337f8aa8ff55c
[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] [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] running `"docker" "inspect" "cff45855edf428261bf5843ee8f31558bb59f6e3d23f6c15de155dd2ca98662d"`
[INFO] running `"docker" "rm" "-f" "cff45855edf428261bf5843ee8f31558bb59f6e3d23f6c15de155dd2ca98662d"`
[INFO] [stdout] cff45855edf428261bf5843ee8f31558bb59f6e3d23f6c15de155dd2ca98662d