[INFO] fetching crate lopdf_bugfix_19072017 0.9.0...
[INFO] testing lopdf_bugfix_19072017-0.9.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lopdf_bugfix_19072017 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lopdf_bugfix_19072017 0.9.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lopdf_bugfix_19072017 0.9.0
[INFO] finished tweaking crates.io crate lopdf_bugfix_19072017 0.9.0
[INFO] tweaked toml for crates.io crate lopdf_bugfix_19072017 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a04892d1babd0ac2d70c911cecd84518f35e9f61d76507a26eac00f97be6d267
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a04892d1babd0ac2d70c911cecd84518f35e9f61d76507a26eac00f97be6d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04892d1babd0ac2d70c911cecd84518f35e9f61d76507a26eac00f97be6d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04892d1babd0ac2d70c911cecd84518f35e9f61d76507a26eac00f97be6d267", kill_on_drop: false }`
[INFO] [stdout] a04892d1babd0ac2d70c911cecd84518f35e9f61d76507a26eac00f97be6d267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01c453d79db38c60cef3df0eb53be619cb52c7782ad46d12cb43f406a9e68552
[INFO] running `Command { std: "docker" "start" "-a" "01c453d79db38c60cef3df0eb53be619cb52c7782ad46d12cb43f406a9e68552", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling lopdf_bugfix_19072017 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/filters/png.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout]     |                                                      ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout] 122 +                 current[i] = current[i].wrapping_sub(current[i - bpp].wrapping_add(previous[i]) / 2);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:139:47
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 139 -     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout] 139 +     fn get_xref_start(buffer: &[u8], input: &mut dyn Input<u8>) -> Result<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout] 49 +     fn write_trailer(&mut self, file: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout] 84 +     fn write_xref(file: &mut dyn Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:119:37
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 119 -     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout] 119 +     pub fn write_object<'a>(file: &mut dyn Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 -     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout] 134 +     fn write_name<'a>(file: &mut dyn Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 -     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout] 147 +     fn write_string<'a>(file: &mut dyn Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 -     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout] 199 +     fn write_array<'a>(file: &mut dyn Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 -     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout] 214 +     fn write_dictionary<'a>(file: &mut dyn Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout] 227 +     fn write_stream<'a>(file: &mut dyn Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "01c453d79db38c60cef3df0eb53be619cb52c7782ad46d12cb43f406a9e68552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c453d79db38c60cef3df0eb53be619cb52c7782ad46d12cb43f406a9e68552", kill_on_drop: false }`
[INFO] [stdout] 01c453d79db38c60cef3df0eb53be619cb52c7782ad46d12cb43f406a9e68552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2186a5d6598fa633ebfca9f348aa04f504cc0d1d0986ec3c6de696c58aa49f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec2186a5d6598fa633ebfca9f348aa04f504cc0d1d0986ec3c6de696c58aa49f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lopdf_bugfix_19072017 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/filters/png.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout]     |                                                      ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout] 122 +                 current[i] = current[i].wrapping_sub(current[i - bpp].wrapping_add(previous[i]) / 2);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:139:47
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 139 -     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout] 139 +     fn get_xref_start(buffer: &[u8], input: &mut dyn Input<u8>) -> Result<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout] 49 +     fn write_trailer(&mut self, file: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout] 84 +     fn write_xref(file: &mut dyn Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:119:37
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 119 -     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout] 119 +     pub fn write_object<'a>(file: &mut dyn Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 -     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout] 134 +     fn write_name<'a>(file: &mut dyn Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 -     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout] 147 +     fn write_string<'a>(file: &mut dyn Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 -     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout] 199 +     fn write_array<'a>(file: &mut dyn Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 -     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout] 214 +     fn write_dictionary<'a>(file: &mut dyn Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout] 227 +     fn write_stream<'a>(file: &mut dyn Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/filters/png.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout]     |                                                      ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
[INFO] [stdout] 122 +                 current[i] = current[i].wrapping_sub(current[i - bpp].wrapping_add(previous[i]) / 2);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `lopdf`
[INFO] [stdout]  --> tests/modify.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate lopdf;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::Object`
[INFO] [stdout]   --> tests/modify.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use self::Object;
[INFO] [stdout]    |         ^^^^^^^^^^^^ no `Object` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:139:47
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 139 -     fn get_xref_start(buffer: &[u8], input: &mut Input<u8>) -> Result<usize> {
[INFO] [stdout] 139 +     fn get_xref_start(buffer: &[u8], input: &mut dyn Input<u8>) -> Result<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn write_trailer(&mut self, file: &mut Write) -> Result<()> {
[INFO] [stdout] 49 +     fn write_trailer(&mut self, file: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn write_xref(file: &mut Write, xref: &Xref) -> Result<()> {
[INFO] [stdout] 84 +     fn write_xref(file: &mut dyn Write, xref: &Xref) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:119:37
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 119 -     pub fn write_object<'a>(file: &mut Write, object: &'a Object) -> Result<()> {
[INFO] [stdout] 119 +     pub fn write_object<'a>(file: &mut dyn Write, object: &'a Object) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 -     fn write_name<'a>(file: &mut Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout] 134 +     fn write_name<'a>(file: &mut dyn Write, name: &'a [u8]) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 -     fn write_string<'a>(file: &mut Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout] 147 +     fn write_string<'a>(file: &mut dyn Write, text: &'a [u8], format: &'a StringFormat) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 -     fn write_array<'a>(file: &mut Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout] 199 +     fn write_array<'a>(file: &mut dyn Write, array: &'a Vec<Object>) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 -     fn write_dictionary<'a>(file: &mut Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout] 214 +     fn write_dictionary<'a>(file: &mut dyn Write, dictionary: &'a Dictionary) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     fn write_stream<'a>(file: &mut Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout] 227 +     fn write_stream<'a>(file: &mut dyn Write, stream: &'a Stream) -> Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Document`
[INFO] [stdout]  --> tests/modify.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut doc = Document::load("assets/example.pdf")?;
[INFO] [stdout]   |                   ^^^^^^^^ use of undeclared type `Document`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Object`
[INFO] [stdout]   --> tests/modify.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Object::Stream(ref mut stream) => {
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Object`
[INFO] [stdout]   --> tests/modify.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 content.operations[3].operands[0] = Object::String(
[INFO] [stdout]    |                                                     ^^^^^^ use of undeclared type `Object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `StringFormat`
[INFO] [stdout]   --> tests/modify.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 |                     StringFormat::Literal);
[INFO] [stdout]    |                     ^^^^^^^^^^^^ use of undeclared type `StringFormat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Document`
[INFO] [stdout]   --> tests/modify.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut doc = Document::new();
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared type `Document`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `StringFormat`
[INFO] [stdout]   --> tests/modify.rs:39:69
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let id = doc.add_object(Object::String("test".as_bytes().to_vec(), StringFormat::Literal));
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^ use of undeclared type `StringFormat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LoStream`
[INFO] [stdout]   --> tests/modify.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let id2 = doc.add_object(Object::Stream(LoStream::new(LoDictionary::new(), "stream".as_bytes().to_vec())));
[INFO] [stdout]    |                                             ^^^^^^^^ use of undeclared type `LoStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LoDictionary`
[INFO] [stdout]   --> tests/modify.rs:40:56
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let id2 = doc.add_object(Object::Stream(LoStream::new(LoDictionary::new(), "stream".as_bytes().to_vec())));
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ use of undeclared type `LoDictionary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Document` in this scope
[INFO] [stdout]  --> tests/modify.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn modify_text() -> Result<Document> {
[INFO] [stdout]   |               -            ^^^^^^^^ not found in this scope
[INFO] [stdout]   |               |
[INFO] [stdout]   |               help: you might be missing a type parameter: `<Document>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lopdf_bugfix_19072017` due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec2186a5d6598fa633ebfca9f348aa04f504cc0d1d0986ec3c6de696c58aa49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2186a5d6598fa633ebfca9f348aa04f504cc0d1d0986ec3c6de696c58aa49f", kill_on_drop: false }`
[INFO] [stdout] ec2186a5d6598fa633ebfca9f348aa04f504cc0d1d0986ec3c6de696c58aa49f