[INFO] crate lopdf_bugfix_19072017 0.9.0 is already in cache
[INFO] extracting crate lopdf_bugfix_19072017 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/lopdf_bugfix_19072017/0.9.0
[INFO] extracting crate lopdf_bugfix_19072017 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lopdf_bugfix_19072017/0.9.0
[INFO] validating manifest of lopdf_bugfix_19072017-0.9.0 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 lopdf_bugfix_19072017-0.9.0 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 lopdf_bugfix_19072017-0.9.0
[INFO] finished frobbing lopdf_bugfix_19072017-0.9.0
[INFO] frobbed toml for lopdf_bugfix_19072017-0.9.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lopdf_bugfix_19072017/0.9.0/Cargo.toml
[INFO] started frobbing lopdf_bugfix_19072017-0.9.0
[INFO] finished frobbing lopdf_bugfix_19072017-0.9.0
[INFO] frobbed toml for lopdf_bugfix_19072017-0.9.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lopdf_bugfix_19072017/0.9.0/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 lopdf_bugfix_19072017-0.9.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/lopdf_bugfix_19072017/0.9.0:/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] 1fc631b2b1137c5823b974f6c7e2ae94f4c2670fae24ea6e0cd929ed22f8021e
[INFO] running `"docker" "start" "-a" "1fc631b2b1137c5823b974f6c7e2ae94f4c2670fae24ea6e0cd929ed22f8021e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lopdf_bugfix_19072017 v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/filters/png.rs:122:42
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader.rs:139:47
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn Input<u8>`
[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/writer.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn write_trailer(&mut self, file: &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/writer.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:119:37
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:134:31
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:214:37
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:227:33
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `"docker" "inspect" "1fc631b2b1137c5823b974f6c7e2ae94f4c2670fae24ea6e0cd929ed22f8021e"`
[INFO] running `"docker" "rm" "-f" "1fc631b2b1137c5823b974f6c7e2ae94f4c2670fae24ea6e0cd929ed22f8021e"`
[INFO] [stdout] 1fc631b2b1137c5823b974f6c7e2ae94f4c2670fae24ea6e0cd929ed22f8021e
[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/lopdf_bugfix_19072017/0.9.0:/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] 338b2a2fe1986df28b6e86745f85cdd77ec0a350480c9b34f6f5b72f643a8e41
[INFO] running `"docker" "start" "-a" "338b2a2fe1986df28b6e86745f85cdd77ec0a350480c9b34f6f5b72f643a8e41"`
[INFO] [stderr]    Compiling lopdf_bugfix_19072017 v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `lopdf`
[INFO] [stderr]  --> tests/modify.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate lopdf;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `lopdf_bugfix_19072017`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/filters/png.rs:122:42
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader.rs:139:47
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn Input<u8>`
[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/writer.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn write_trailer(&mut self, file: &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/writer.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:119:37
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:134:31
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:214:37
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:227:33
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "338b2a2fe1986df28b6e86745f85cdd77ec0a350480c9b34f6f5b72f643a8e41"`
[INFO] running `"docker" "rm" "-f" "338b2a2fe1986df28b6e86745f85cdd77ec0a350480c9b34f6f5b72f643a8e41"`
[INFO] [stdout] 338b2a2fe1986df28b6e86745f85cdd77ec0a350480c9b34f6f5b72f643a8e41