[INFO] crate basic_xlsx_writer 0.1.0 is already in cache
[INFO] extracting crate basic_xlsx_writer 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/basic_xlsx_writer/0.1.0
[INFO] extracting crate basic_xlsx_writer 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/basic_xlsx_writer/0.1.0
[INFO] validating manifest of basic_xlsx_writer-0.1.0 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 basic_xlsx_writer-0.1.0 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 basic_xlsx_writer-0.1.0
[INFO] finished frobbing basic_xlsx_writer-0.1.0
[INFO] frobbed toml for basic_xlsx_writer-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/basic_xlsx_writer/0.1.0/Cargo.toml
[INFO] started frobbing basic_xlsx_writer-0.1.0
[INFO] finished frobbing basic_xlsx_writer-0.1.0
[INFO] frobbed toml for basic_xlsx_writer-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/basic_xlsx_writer/0.1.0/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] 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 basic_xlsx_writer-0.1.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/basic_xlsx_writer/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9958675967b1b53688f66d67cddf2961ef87ef8f91da19a4fca5e8181da54f81
[INFO] running `"docker" "start" "-a" "9958675967b1b53688f66d67cddf2961ef87ef8f91da19a4fca5e8181da54f81"`
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling basic_xlsx_writer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:172:61
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn write_value(cv: &CellValue, ref_id: String, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:208:52
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn write(&self, row_index: usize, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:261:39
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn write_head(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:291:45
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn write_data_begin(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:295:43
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn write_data_end(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn close(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn create_content_types(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:168:33
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn create_rels(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:179:32
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn create_app(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:204:33
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn create_core(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:213:35
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn create_styles(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:260:48
[INFO] [stderr]     |
[INFO] [stderr] 260 |     fn create_workbook(&mut self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:282:47
[INFO] [stderr]     |
[INFO] [stderr] 282 |     fn create_xl_rels(&mut self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:303:37
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn create_xl_theme(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/workbook.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         fs::create_dir(root.as_path()).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "9958675967b1b53688f66d67cddf2961ef87ef8f91da19a4fca5e8181da54f81"`
[INFO] running `"docker" "rm" "-f" "9958675967b1b53688f66d67cddf2961ef87ef8f91da19a4fca5e8181da54f81"`
[INFO] [stdout] 9958675967b1b53688f66d67cddf2961ef87ef8f91da19a4fca5e8181da54f81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/basic_xlsx_writer/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a3bdb140d14bdc537dbb32167c9d09d182985743f8703f49da024b78522a5f6
[INFO] running `"docker" "start" "-a" "7a3bdb140d14bdc537dbb32167c9d09d182985743f8703f49da024b78522a5f6"`
[INFO] [stderr]    Compiling basic_xlsx_writer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:172:61
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn write_value(cv: &CellValue, ref_id: String, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:208:52
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn write(&self, row_index: usize, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:261:39
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn write_head(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:291:45
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn write_data_begin(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:295:43
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn write_data_end(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sheet.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn close(&self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn create_content_types(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:168:33
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn create_rels(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:179:32
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn create_app(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:204:33
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn create_core(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:213:35
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn create_styles(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:260:48
[INFO] [stderr]     |
[INFO] [stderr] 260 |     fn create_workbook(&mut self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:282:47
[INFO] [stderr]     |
[INFO] [stderr] 282 |     fn create_xl_rels(&mut self, writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/workbook.rs:303:37
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn create_xl_theme(writer: &mut Write) -> Result<()> {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/workbook.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         fs::create_dir(root.as_path()).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "7a3bdb140d14bdc537dbb32167c9d09d182985743f8703f49da024b78522a5f6"`
[INFO] running `"docker" "rm" "-f" "7a3bdb140d14bdc537dbb32167c9d09d182985743f8703f49da024b78522a5f6"`
[INFO] [stdout] 7a3bdb140d14bdc537dbb32167c9d09d182985743f8703f49da024b78522a5f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/basic_xlsx_writer/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 631c186c4c930773ec0be4b8765fad7812b470909f158a1da2300a090ade504c
[INFO] running `"docker" "start" "-a" "631c186c4c930773ec0be4b8765fad7812b470909f158a1da2300a090ade504c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/basic_xlsx_writer-d8ea1b852a4b4d17
[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 basic_xlsx_writer
[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" "631c186c4c930773ec0be4b8765fad7812b470909f158a1da2300a090ade504c"`
[INFO] running `"docker" "rm" "-f" "631c186c4c930773ec0be4b8765fad7812b470909f158a1da2300a090ade504c"`
[INFO] [stdout] 631c186c4c930773ec0be4b8765fad7812b470909f158a1da2300a090ade504c