[INFO] fetching crate ansi_term 0.12.1...
[INFO] testing ansi_term-0.12.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ansi_term 0.12.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate ansi_term 0.12.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi_term 0.12.1
[INFO] finished tweaking crates.io crate ansi_term 0.12.1
[INFO] tweaked toml for crates.io crate ansi_term 0.12.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate ansi_term 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 715987b01b94eb95e7d15fe2385df0916d4ed8ee6f91aedc009499eda60ec82a
[INFO] running `Command { std: "docker" "start" "-a" "715987b01b94eb95e7d15fe2385df0916d4ed8ee6f91aedc009499eda60ec82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715987b01b94eb95e7d15fe2385df0916d4ed8ee6f91aedc009499eda60ec82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715987b01b94eb95e7d15fe2385df0916d4ed8ee6f91aedc009499eda60ec82a", kill_on_drop: false }`
[INFO] [stdout] 715987b01b94eb95e7d15fe2385df0916d4ed8ee6f91aedc009499eda60ec82a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf169e749441ec558a9b09d2f8e5f9a92786326e9abf8a97290ac44761f8c8d
[INFO] running `Command { std: "docker" "start" "-a" "8bf169e749441ec558a9b09d2f8e5f9a92786326e9abf8a97290ac44761f8c8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated type `wstr` should have an upper camel case name
[INFO] [stdout]  --> src/write.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     type wstr: ?Sized;
[INFO] [stdout]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wstr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | #![crate_type = "dylib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:233:1
[INFO] [stdout]     |
[INFO] [stdout] 233 | #![crate_type = "rlib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> AnyWrite for fmt::Write + 'a {
[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] 15 - impl<'a> AnyWrite for fmt::Write + 'a {
[INFO] [stdout] 15 + impl<'a> AnyWrite for dyn fmt::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> AnyWrite for io::Write + 'a {
[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] 29 - impl<'a> AnyWrite for io::Write + 'a {
[INFO] [stdout] 29 + impl<'a> AnyWrite for dyn io::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let f: &mut fmt::Write = f;
[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] 279 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 279 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let f: &mut fmt::Write = f;
[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] 291 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 291 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let f: &mut fmt::Write = f;
[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] 295 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 295 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:308:21
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let f: &mut fmt::Write = f;
[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] 308 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 308 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let w: &mut fmt::Write = f;
[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] 201 -         let w: &mut fmt::Write = f;
[INFO] [stdout] 201 +         let w: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let w: &mut io::Write = w;
[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] 210 -         let w: &mut io::Write = w;
[INFO] [stdout] 210 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let f: &mut fmt::Write = f;
[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] 229 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 229 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let w: &mut io::Write = w;
[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] 239 -         let w: &mut io::Write = w;
[INFO] [stdout] 239 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "8bf169e749441ec558a9b09d2f8e5f9a92786326e9abf8a97290ac44761f8c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf169e749441ec558a9b09d2f8e5f9a92786326e9abf8a97290ac44761f8c8d", kill_on_drop: false }`
[INFO] [stdout] 8bf169e749441ec558a9b09d2f8e5f9a92786326e9abf8a97290ac44761f8c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d864e3f5f36d5d346572a1fc8c301becbee345e9ddd31a28eb8ddc017f57c6dd
[INFO] running `Command { std: "docker" "start" "-a" "d864e3f5f36d5d346572a1fc8c301becbee345e9ddd31a28eb8ddc017f57c6dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stdout] warning: associated type `wstr` should have an upper camel case name
[INFO] [stdout]  --> src/write.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     type wstr: ?Sized;
[INFO] [stdout]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wstr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | #![crate_type = "dylib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:233:1
[INFO] [stdout]     |
[INFO] [stdout] 233 | #![crate_type = "rlib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> AnyWrite for fmt::Write + 'a {
[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] 15 - impl<'a> AnyWrite for fmt::Write + 'a {
[INFO] [stdout] 15 + impl<'a> AnyWrite for dyn fmt::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> AnyWrite for io::Write + 'a {
[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] 29 - impl<'a> AnyWrite for io::Write + 'a {
[INFO] [stdout] 29 + impl<'a> AnyWrite for dyn io::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let f: &mut fmt::Write = f;
[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] 279 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 279 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let f: &mut fmt::Write = f;
[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] 291 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 291 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let f: &mut fmt::Write = f;
[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] 295 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 295 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:308:21
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let f: &mut fmt::Write = f;
[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] 308 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 308 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let w: &mut fmt::Write = f;
[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] 201 -         let w: &mut fmt::Write = f;
[INFO] [stdout] 201 +         let w: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let w: &mut io::Write = w;
[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] 210 -         let w: &mut io::Write = w;
[INFO] [stdout] 210 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let f: &mut fmt::Write = f;
[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] 229 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 229 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let w: &mut io::Write = w;
[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] 239 -         let w: &mut io::Write = w;
[INFO] [stdout] 239 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling ansi_term v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated type `wstr` should have an upper camel case name
[INFO] [stdout]  --> src/write.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     type wstr: ?Sized;
[INFO] [stdout]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wstr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | #![crate_type = "dylib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:233:1
[INFO] [stdout]     |
[INFO] [stdout] 233 | #![crate_type = "rlib"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> AnyWrite for fmt::Write + 'a {
[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] 15 - impl<'a> AnyWrite for fmt::Write + 'a {
[INFO] [stdout] 15 + impl<'a> AnyWrite for dyn fmt::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> AnyWrite for io::Write + 'a {
[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] 29 - impl<'a> AnyWrite for io::Write + 'a {
[INFO] [stdout] 29 + impl<'a> AnyWrite for dyn io::Write + 'a {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let f: &mut fmt::Write = f;
[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] 279 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 279 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let f: &mut fmt::Write = f;
[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] 291 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 291 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let f: &mut fmt::Write = f;
[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] 295 -                 let f: &mut fmt::Write = f;
[INFO] [stdout] 295 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ansi.rs:308:21
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let f: &mut fmt::Write = f;
[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] 308 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 308 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let w: &mut fmt::Write = f;
[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] 201 -         let w: &mut fmt::Write = f;
[INFO] [stdout] 201 +         let w: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let w: &mut io::Write = w;
[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] 210 -         let w: &mut io::Write = w;
[INFO] [stdout] 210 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let f: &mut fmt::Write = f;
[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] 229 -         let f: &mut fmt::Write = f;
[INFO] [stdout] 229 +         let f: &mut dyn fmt::Write = f;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/display.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let w: &mut io::Write = w;
[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] 239 -         let w: &mut io::Write = w;
[INFO] [stdout] 239 +         let w: &mut dyn io::Write = w;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "d864e3f5f36d5d346572a1fc8c301becbee345e9ddd31a28eb8ddc017f57c6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d864e3f5f36d5d346572a1fc8c301becbee345e9ddd31a28eb8ddc017f57c6dd", kill_on_drop: false }`
[INFO] [stdout] d864e3f5f36d5d346572a1fc8c301becbee345e9ddd31a28eb8ddc017f57c6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1153793e812753f069f31b9a48a20dd5c624dffeb45703b8a884a1d587103a8b
[INFO] running `Command { std: "docker" "start" "-a" "1153793e812753f069f31b9a48a20dd5c624dffeb45703b8a884a1d587103a8b", kill_on_drop: false }`
[INFO] [stderr] warning: associated type `wstr` should have an upper camel case name
[INFO] [stderr]  --> src/write.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     type wstr: ?Sized;
[INFO] [stderr]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wstr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/lib.rs:234:1
[INFO] [stderr]     |
[INFO] [stderr] 234 | #![crate_type = "dylib"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] note: attribute also specified here
[INFO] [stderr]    --> src/lib.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | #![crate_type = "rlib"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a> AnyWrite for fmt::Write + 'a {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 - impl<'a> AnyWrite for fmt::Write + 'a {
[INFO] [stderr] 15 + impl<'a> AnyWrite for dyn fmt::Write + 'a {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'a> AnyWrite for io::Write + 'a {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 - impl<'a> AnyWrite for io::Write + 'a {
[INFO] [stderr] 29 + impl<'a> AnyWrite for dyn io::Write + 'a {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ansi.rs:279:21
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let f: &mut fmt::Write = f;
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 279 -         let f: &mut fmt::Write = f;
[INFO] [stderr] 279 +         let f: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ansi.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 let f: &mut fmt::Write = f;
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 291 -                 let f: &mut fmt::Write = f;
[INFO] [stderr] 291 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ansi.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 let f: &mut fmt::Write = f;
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 295 -                 let f: &mut fmt::Write = f;
[INFO] [stderr] 295 +                 let f: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ansi.rs:308:21
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let f: &mut fmt::Write = f;
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 58 tests
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 308 -         let f: &mut fmt::Write = f;
[INFO] [stderr] 308 +         let f: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/display.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let w: &mut fmt::Write = f;
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 201 -         let w: &mut fmt::Write = f;
[INFO] [stderr] 201 +         let w: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/display.rs:210:21
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let w: &mut io::Write = w;
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 210 -         let w: &mut io::Write = w;
[INFO] [stderr] 210 +         let w: &mut dyn io::Write = w;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/display.rs:229:21
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let f: &mut fmt::Write = f;
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 229 -         let f: &mut fmt::Write = f;
[INFO] [stderr] 229 +         let f: &mut dyn fmt::Write = f;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/display.rs:239:21
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let w: &mut io::Write = w;
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 239 -         let w: &mut io::Write = w;
[INFO] [stderr] 239 +         let w: &mut dyn io::Write = w;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `ansi_term` (lib) generated 12 warnings
[INFO] [stderr] warning: `ansi_term` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ansi_term-9ccf317fbec03d2c)
[INFO] [stdout] test ansi::test::black ... ok
[INFO] [stdout] test ansi::test::blink ... ok
[INFO] [stdout] test ansi::test::blue_on_rgb ... ok
[INFO] [stdout] test ansi::test::blue_underline ... ok
[INFO] [stdout] test ansi::test::bold ... ok
[INFO] [stdout] test ansi::test::bunderline ... ok
[INFO] [stdout] test ansi::test::cyan_ul_bold_on_white ... ok
[INFO] [stdout] test ansi::test::cyan_bold_ul_on_white ... ok
[INFO] [stdout] test ansi::test::cyan_bold_on_white ... ok
[INFO] [stdout] test ansi::test::cyan_ul_on_white ... ok
[INFO] [stdout] test ansi::test::dimmed ... ok
[INFO] [stdout] test ansi::test::fixed ... ok
[INFO] [stdout] test ansi::test::fixed_on_fixed ... ok
[INFO] [stdout] test ansi::test::fixed_on_purple ... ok
[INFO] [stdout] test ansi::test::green_bold_ul_2 ... ok
[INFO] [stdout] test ansi::test::green_bold_ul ... ok
[INFO] [stdout] test ansi::test::hidden ... ok
[INFO] [stdout] test ansi::test::italic ... ok
[INFO] [stdout] test ansi::test::plain ... ok
[INFO] [stdout] test ansi::test::purple_on_white ... ok
[INFO] [stdout] test ansi::test::red ... ok
[INFO] [stdout] test ansi::test::purple_on_white_2 ... ok
[INFO] [stdout] test ansi::test::reverse ... ok
[INFO] [stdout] test ansi::test::rgb ... ok
[INFO] [stdout] test ansi::test::rgb_on_blue ... ok
[INFO] [stdout] test ansi::test::rgb_on_rgb ... ok
[INFO] [stdout] test ansi::test::stricken ... ok
[INFO] [stdout] test ansi::test::underline ... ok
[INFO] [stdout] test ansi::test::test_infix ... ok
[INFO] [stdout] test ansi::test::yellow_bold ... ok
[INFO] [stdout] test ansi::test::yellow_bold_2 ... ok
[INFO] [stdout] test ansi::test::yellow_on_blue ... ok
[INFO] [stdout] test ansi::test::yellow_on_blue_2 ... ok
[INFO] [stdout] test debug::test::bold ... ok
[INFO] [stdout] test debug::test::both ... ok
[INFO] [stdout] test debug::test::everything ... ok
[INFO] [stdout] test debug::test::empty ... ok
[INFO] [stdout] test debug::test::italic ... ok
[INFO] [stdout] test debug::test::red ... ok
[INFO] [stdout] test debug::test::redblue ... ok
[INFO] [stdout] test difference::test::addition_of_blink ... ok
[INFO] [stdout] test debug::test::long_and_detailed ... ok
[INFO] [stdout] test difference::test::addition_of_strikethrough ... ok
[INFO] [stdout] test difference::test::addition_of_reverse ... ok
[INFO] [stdout] test difference::test::colour_change ... ok
[INFO] [stdout] test difference::test::addition_of_hidden ... ok
[INFO] [stdout] test difference::test::addition_of_dimmed ... ok
[INFO] [stdout] test difference::test::lowercase ... ok
[INFO] [stdout] test difference::test::nothing ... ok
[INFO] [stdout] test difference::test::removal_of_blink ... ok
[INFO] [stdout] test difference::test::removal_of_hidden ... ok
[INFO] [stdout] test difference::test::nothing2 ... ok
[INFO] [stdout] test difference::test::removal_of_strikethrough ... ok
[INFO] [stdout] test display::tests::no_control_codes_for_plain ... ok
[INFO] [stdout] test difference::test::uppercase ... ok
[INFO] [stderr]    Doc-tests ansi_term
[INFO] [stdout] test difference::test::removal_of_dimmed ... ok
[INFO] [stdout] test difference::test::removal_of_reverse ... ok
[INFO] [stdout] test util::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] warning: associated type `wstr` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/write.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     type wstr: ?Sized;
[INFO] [stderr]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wstr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 47 tests
[INFO] [stderr] 
[INFO] [stdout] test src/ansi.rs - ansi::Colour::prefix (line 230) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/style.rs - style::Colour::dimmed (line 347) ... ok
[INFO] [stdout] test src/lib.rs - (line 193) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ansi_term --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-3a1c9a303d360660.rlib --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-3dabdb15d3191c87.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-12606063e16a3e70.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4a8689d06d1ddb87.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1153793e812753f069f31b9a48a20dd5c624dffeb45703b8a884a1d587103a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1153793e812753f069f31b9a48a20dd5c624dffeb45703b8a884a1d587103a8b", kill_on_drop: false }`
[INFO] [stdout] 1153793e812753f069f31b9a48a20dd5c624dffeb45703b8a884a1d587103a8b