[INFO] fetching crate wearte 0.0.2...
[INFO] testing wearte-0.0.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate wearte 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wearte 0.0.2
[INFO] finished tweaking crates.io crate wearte 0.0.2
[INFO] tweaked toml for crates.io crate wearte 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wearte 0.0.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 321 packages to latest compatible versions
[INFO] [stderr]       Adding actix-web v0.7.19 (available: v4.13.0)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.1)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wearte_helpers v0.0.2
[INFO] [stderr]   Downloaded v_escape_derive v0.5.6
[INFO] [stderr]   Downloaded v_htmlescape v0.4.5
[INFO] [stderr]   Downloaded wearte_derive v0.0.2
[INFO] [stderr]   Downloaded v_escape v0.7.4
[INFO] [stderr]   Downloaded wearte_config v0.0.2
[INFO] [stderr]   Downloaded onig v5.0.0
[INFO] [stderr]   Downloaded shell-words v0.1.0
[INFO] [stderr]   Downloaded plist v0.4.2
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded toolchain_find v0.1.4
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded clicolors-control v0.2.0
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded cookie v0.11.5
[INFO] [stderr]   Downloaded hmac v0.10.1
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded actix_derive v0.3.2
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded brotli2 v0.3.2
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[INFO] [stderr]   Downloaded ipconfig v0.1.9
[INFO] [stderr]   Downloaded widestring v0.2.2
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[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded tokio-signal v0.2.9
[INFO] [stderr]   Downloaded actix-net v0.2.6
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.3
[INFO] [stderr]   Downloaded actix v0.7.9
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[INFO] [stderr]   Downloaded aes v0.6.0
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[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
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[INFO] [stderr]   Downloaded trust-dns-proto v0.6.3
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[INFO] [stderr]   Downloaded prettyprint v0.4.1
[INFO] [stderr]   Downloaded syntect v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5711c9d31851a7fccd373802fdd6f1bba1ab322e3632237e7fe77057feb616
[INFO] running `Command { std: "docker" "start" "-a" "da5711c9d31851a7fccd373802fdd6f1bba1ab322e3632237e7fe77057feb616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5711c9d31851a7fccd373802fdd6f1bba1ab322e3632237e7fe77057feb616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5711c9d31851a7fccd373802fdd6f1bba1ab322e3632237e7fe77057feb616", kill_on_drop: false }`
[INFO] [stdout] da5711c9d31851a7fccd373802fdd6f1bba1ab322e3632237e7fe77057feb616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b402694603710cdce6499a6793b1826502261c373da5a2d15a71c1fdb144e797
[INFO] running `Command { std: "docker" "start" "-a" "b402694603710cdce6499a6793b1826502261c373da5a2d15a71c1fdb144e797", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quick-error v1.2.3
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[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling base64 v0.10.1
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[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rgb v0.8.53
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling ansi_colours v1.2.3
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling wearte_helpers v0.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling wearte_config v0.0.2
[INFO] [stderr]    Compiling v_escape v0.7.4
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling console v0.6.2
[INFO] [stderr]    Compiling toolchain_find v0.1.4
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling onig_sys v69.9.3
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]    Compiling syntect v3.3.0
[INFO] [stderr]    Compiling prettyprint v0.4.1
[INFO] [stderr]    Compiling wearte_derive v0.0.2
[INFO] [stderr]    Compiling wearte v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut dyn fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, v_htmlescape v0.4.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b402694603710cdce6499a6793b1826502261c373da5a2d15a71c1fdb144e797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b402694603710cdce6499a6793b1826502261c373da5a2d15a71c1fdb144e797", kill_on_drop: false }`
[INFO] [stdout] b402694603710cdce6499a6793b1826502261c373da5a2d15a71c1fdb144e797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439b7fdbd733849f8462f4879f44132c561a962fe258693625b96df244a11986
[INFO] running `Command { std: "docker" "start" "-a" "439b7fdbd733849f8462f4879f44132c561a962fe258693625b96df244a11986", kill_on_drop: false }`
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling plist v0.4.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling toolchain_find v0.1.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling console v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling onig_sys v69.9.3
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]    Compiling syntect v3.3.0
[INFO] [stderr]    Compiling prettyprint v0.4.1
[INFO] [stderr]    Compiling wearte_derive v0.0.2
[INFO] [stderr]    Compiling wearte v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut dyn fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn call_into_fmt(&self, writer: &mut dyn fmt::Write) -> fmt::Result {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn call_into_io(&self, writer: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, v_htmlescape v0.4.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "439b7fdbd733849f8462f4879f44132c561a962fe258693625b96df244a11986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439b7fdbd733849f8462f4879f44132c561a962fe258693625b96df244a11986", kill_on_drop: false }`
[INFO] [stdout] 439b7fdbd733849f8462f4879f44132c561a962fe258693625b96df244a11986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c8a33ccef302ab796a5b93603fc171022b8afeede081ecb7874a3f899ca11fd
[INFO] running `Command { std: "docker" "start" "-a" "7c8a33ccef302ab796a5b93603fc171022b8afeede081ecb7874a3f899ca11fd", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stderr]    |                                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn call_into_fmt(&self, writer: &mut dyn fmt::Write) -> fmt::Result {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn call_into_io(&self, writer: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `wearte` (lib) generated 2 warnings (run `cargo fix --lib -p wearte` to apply 2 suggestions)
[INFO] [stderr] warning: `wearte` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, v_htmlescape v0.4.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wearte-dfd910233532e387)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wearte
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c8a33ccef302ab796a5b93603fc171022b8afeede081ecb7874a3f899ca11fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8a33ccef302ab796a5b93603fc171022b8afeede081ecb7874a3f899ca11fd", kill_on_drop: false }`
[INFO] [stdout] 7c8a33ccef302ab796a5b93603fc171022b8afeede081ecb7874a3f899ca11fd
