[INFO] fetching crate binjs_io 0.2.1...
[INFO] checking binjs_io-0.2.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate binjs_io 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate binjs_io 0.2.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binjs_io 0.2.1
[INFO] finished tweaking crates.io crate binjs_io 0.2.1
[INFO] tweaked toml for crates.io crate binjs_io 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ee1066ee0ee34ca68ece93e02de9f231e818e9e37e5f9886a72ad6c569f4a9
[INFO] running `Command { std: "docker" "start" "-a" "a2ee1066ee0ee34ca68ece93e02de9f231e818e9e37e5f9886a72ad6c569f4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ee1066ee0ee34ca68ece93e02de9f231e818e9e37e5f9886a72ad6c569f4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ee1066ee0ee34ca68ece93e02de9f231e818e9e37e5f9886a72ad6c569f4a9", kill_on_drop: false }`
[INFO] [stdout] a2ee1066ee0ee34ca68ece93e02de9f231e818e9e37e5f9886a72ad6c569f4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b555b42038632ca0e4d06520f6bf9023c651952f6c4d5f7f06ba1130f25e650
[INFO] running `Command { std: "docker" "start" "-a" "4b555b42038632ca0e4d06520f6bf9023c651952f6c4d5f7f06ba1130f25e650", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.151
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking lzw v0.10.0
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[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking flate2 v1.0.28
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[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking range-encoding v0.1.9
[INFO] [stderr]     Checking brotli v3.4.0
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[INFO] [stderr]     Checking regex-automata v0.4.3
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[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking binjs_shared v0.1.1
[INFO] [stderr]     Checking binjs_io v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `brotli` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 use brotli;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | extern crate brotli;
[INFO] [stdout]     | -------------------- the item `brotli` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzw` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 use lzw;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | extern crate lzw;
[INFO] [stdout]     | ----------------- the item `lzw` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:236:21
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `brotli` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:243:21
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 use brotli;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | extern crate brotli;
[INFO] [stdout]     | -------------------- the item `brotli` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzw` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 use lzw;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | extern crate lzw;
[INFO] [stdout]     | ----------------- the item `lzw` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/bytes/serialize.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn write<W: Write>(&mut self, data: &T, &mut W) -> Result<(), Error>;
[INFO] [stdout]   |                                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut W`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/bytes/serialize.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn read<R: Read + Seek>(&self, &mut R) -> Result<Self::Target, Error>;
[INFO] [stdout]    |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut R`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/io/deprecated.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn list(&mut self, Vec<Self::Tree>) -> Result<Self::Tree, TokenWriterError>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Self::Tree>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/io/mod.rs:408:31
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn deserialize(&mut self, &mut Path) -> Result<T, TokenReaderError>;
[INFO] [stdout]     |                               ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Path`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/io/mod.rs:411:37
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn deserialize_inner(&mut self, &mut Path) -> Result<T, TokenReaderError>;
[INFO] [stdout]     |                                     ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Path`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/simple.rs:565:35
[INFO] [stdout]     |
[INFO] [stdout] 565 |     fn extend_from_str(&mut self, &str);
[INFO] [stdout]     |                                   ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multipart/write.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write<W: Write>(&self, &mut W) -> Result<usize, std::io::Error>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut W`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Statistics` is imported redundantly
[INFO] [stdout]    --> src/multipart/mod.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub use self::write::{ Statistics, TreeTokenWriter, Targets };
[INFO] [stdout]     |                        ---------- the item `Statistics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 166 |         use multipart::{ Statistics, Targets };
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Targets` is imported redundantly
[INFO] [stdout]    --> src/multipart/mod.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub use self::write::{ Statistics, TreeTokenWriter, Targets };
[INFO] [stdout]     |                                                     ------- the item `Targets` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 166 |         use multipart::{ Statistics, Targets };
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]    --> src/entropy/mod.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         use bincode;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | extern crate bincode; // Used to store dictionaries. This is a temporary format.
[INFO] [stdout]     | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |         0...9 => b'0' + n,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         0xa...0xf => b'A' + (n - 10),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         b'0'...b'9' => (n - b'0') as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         b'A'...b'F' => (n - b'A' + 10) as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         b'a'...b'f' => (n - b'a' + 10) as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `brotli` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 use brotli;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | extern crate brotli;
[INFO] [stdout]     | -------------------- the item `brotli` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzw` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 use lzw;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | extern crate lzw;
[INFO] [stdout]     | ----------------- the item `lzw` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flate2` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:236:21
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 use flate2;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | extern crate flate2;
[INFO] [stdout]     | -------------------- the item `flate2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `brotli` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:243:21
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 use brotli;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | extern crate brotli;
[INFO] [stdout]     | -------------------- the item `brotli` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzw` is imported redundantly
[INFO] [stdout]    --> src/bytes/compress.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 use lzw;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | extern crate lzw;
[INFO] [stdout]     | ----------------- the item `lzw` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/bytes/serialize.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn write<W: Write>(&mut self, data: &T, &mut W) -> Result<(), Error>;
[INFO] [stdout]   |                                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut W`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/bytes/serialize.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn read<R: Read + Seek>(&self, &mut R) -> Result<Self::Target, Error>;
[INFO] [stdout]    |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut R`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/io/deprecated.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn list(&mut self, Vec<Self::Tree>) -> Result<Self::Tree, TokenWriterError>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Self::Tree>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/io/mod.rs:408:31
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn deserialize(&mut self, &mut Path) -> Result<T, TokenReaderError>;
[INFO] [stdout]     |                               ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Path`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/io/mod.rs:411:37
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn deserialize_inner(&mut self, &mut Path) -> Result<T, TokenReaderError>;
[INFO] [stdout]     |                                     ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Path`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/simple.rs:565:35
[INFO] [stdout]     |
[INFO] [stdout] 565 |     fn extend_from_str(&mut self, &str);
[INFO] [stdout]     |                                   ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multipart/write.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write<W: Write>(&self, &mut W) -> Result<usize, std::io::Error>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut W`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Statistics` is imported redundantly
[INFO] [stdout]    --> src/multipart/mod.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub use self::write::{ Statistics, TreeTokenWriter, Targets };
[INFO] [stdout]     |                        ---------- the item `Statistics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 166 |         use multipart::{ Statistics, Targets };
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Targets` is imported redundantly
[INFO] [stdout]    --> src/multipart/mod.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub use self::write::{ Statistics, TreeTokenWriter, Targets };
[INFO] [stdout]     |                                                     ------- the item `Targets` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 166 |         use multipart::{ Statistics, Targets };
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]    --> src/entropy/mod.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         use bincode;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | extern crate bincode; // Used to store dictionaries. This is a temporary format.
[INFO] [stdout]     | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |         0...9 => b'0' + n,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         0xa...0xf => b'A' + (n - 10),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         b'0'...b'9' => (n - b'0') as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         b'A'...b'F' => (n - b'A' + 10) as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/escaped_wtf8.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         b'a'...b'f' => (n - b'a' + 10) as u16,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multipart/read.rs:383:56
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let mut buf : [u8; 8] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multipart/read.rs:414:56
[INFO] [stdout]     |
[INFO] [stdout] 414 |             let mut buf : [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_resize_default`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_resize_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:32
[INFO] [stdout]     |
[INFO] [stdout] 309 |    fn providers() -> [&'static FormatProvider; 4] {
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |    fn providers() -> [&'static dyn FormatProvider; 4] {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:320:39
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn default_provider() -> &'static FormatProvider {
[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] 320 |     fn default_provider() -> &'static dyn FormatProvider {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/io/mod.rs:404:41
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn make<W>(&self, writer: W) -> Box<RootedTokenSerializer<W, T>> where W: TokenWriter;
[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] 404 |     fn make<W>(&self, writer: W) -> Box<dyn RootedTokenSerializer<W, T>> where W: TokenWriter;
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multipart/read.rs:383:56
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let mut buf : [u8; 8] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multipart/read.rs:414:56
[INFO] [stdout]     |
[INFO] [stdout] 414 |             let mut buf : [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_resize_default`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_resize_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:32
[INFO] [stdout]     |
[INFO] [stdout] 309 |    fn providers() -> [&'static FormatProvider; 4] {
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |    fn providers() -> [&'static dyn FormatProvider; 4] {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:320:39
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn default_provider() -> &'static FormatProvider {
[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] 320 |     fn default_provider() -> &'static dyn FormatProvider {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/io/mod.rs:404:41
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn make<W>(&self, writer: W) -> Box<RootedTokenSerializer<W, T>> where W: TokenWriter;
[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] 404 |     fn make<W>(&self, writer: W) -> Box<dyn RootedTokenSerializer<W, T>> where W: TokenWriter;
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:238:23
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let pick : Rc<Fn(&'a mut R) -> Format> = generators.choose(rng)
[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] 238 |         let pick : Rc<dyn Fn(&'a mut R) -> Format> = generators.choose(rng)
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:221:49
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Rc::new(|_| Format::simple()) as Rc<Fn(&'a mut R) -> Format>,
[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] 221 |             Rc::new(|_| Format::simple()) as Rc<dyn Fn(&'a mut R) -> Format>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:238:23
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let pick : Rc<Fn(&'a mut R) -> Format> = generators.choose(rng)
[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] 238 |         let pick : Rc<dyn Fn(&'a mut R) -> Format> = generators.choose(rng)
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:221:49
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Rc::new(|_| Format::simple()) as Rc<Fn(&'a mut R) -> Format>,
[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] 221 |             Rc::new(|_| Format::simple()) as Rc<dyn Fn(&'a mut R) -> Format>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binjs_io` (lib) due to 2 previous errors; 30 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binjs_io` (lib test) due to 2 previous errors; 30 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4b555b42038632ca0e4d06520f6bf9023c651952f6c4d5f7f06ba1130f25e650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b555b42038632ca0e4d06520f6bf9023c651952f6c4d5f7f06ba1130f25e650", kill_on_drop: false }`
[INFO] [stdout] 4b555b42038632ca0e4d06520f6bf9023c651952f6c4d5f7f06ba1130f25e650
