[INFO] crate display-as 0.4.7 is already in cache
[INFO] checking display-as-0.4.7 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate display-as 0.4.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate display-as 0.4.7 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate display-as 0.4.7
[INFO] finished tweaking crates.io crate display-as 0.4.7
[INFO] tweaked toml for crates.io crate display-as 0.4.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7f4f177a7dcae20252a344f2f181285d8c8bcebe48f879fdcf75d082b8654c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e7f4f177a7dcae20252a344f2f181285d8c8bcebe48f879fdcf75d082b8654c6"`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling display-as-proc-macro v0.4.3
[INFO] [stderr]     Checking display-as v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |     assert_eq!(&format_as!(HTML, ("&")), "&");
[INFO] [stderr]     |                 ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:118:10
[INFO] [stderr]     |
[INFO] [stderr] 118 |         &format_as!(HTML, ("hello &>this is cool")),
[INFO] [stderr]     |          ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:122:10
[INFO] [stderr]     |
[INFO] [stderr] 122 |         &format_as!(HTML, ("hello &>this is 'cool")),
[INFO] [stderr]     |          ------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |     assert_eq!(&format_as!(HTML, 3.0), "3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert_eq!(&format_as!(HTML, 3e5), "3×10<sup>5</sup>");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |     assert_eq!(&format_as!(HTML, 1e-6), "10<sup>-6</sup>");
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/html.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     assert_eq!(&format_as!(HTML, 3e4), "30000");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:44:17
[INFO] [stderr]     |
[INFO] [stderr] 44  |     assert_eq!(&format_as!(LaTeX, ("&")), r"\&");
[INFO] [stderr]     |                 ------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:46:10
[INFO] [stderr]     |
[INFO] [stderr] 46  |         &format_as!(LaTeX, ("hello &>this is cool")),
[INFO] [stderr]     |          ------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:50:10
[INFO] [stderr]     |
[INFO] [stderr] 50  |         &format_as!(LaTeX, ("hello &>this is 'cool")),
[INFO] [stderr]     |          -------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:56:17
[INFO] [stderr]     |
[INFO] [stderr] 56  |     assert_eq!(&format_as!(LaTeX, 3.0), "3");
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:57:17
[INFO] [stderr]     |
[INFO] [stderr] 57  |     assert_eq!(&format_as!(LaTeX, 3e5), r"3$\times10^{5}$");
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/latex.rs:58:17
[INFO] [stderr]     |
[INFO] [stderr] 58  |     assert_eq!(&format_as!(LaTeX, 3e4), "30000");
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:44:17
[INFO] [stderr]     |
[INFO] [stderr] 44  |     assert_eq!(&format_as!(Math, ("&")), r"\&");
[INFO] [stderr]     |                 ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:46:10
[INFO] [stderr]     |
[INFO] [stderr] 46  |         &format_as!(Math, ("hello &>this is cool")),
[INFO] [stderr]     |          ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:50:10
[INFO] [stderr]     |
[INFO] [stderr] 50  |         &format_as!(Math, ("hello &>this is 'cool")),
[INFO] [stderr]     |          ------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:56:17
[INFO] [stderr]     |
[INFO] [stderr] 56  |     assert_eq!(&format_as!(Math, 3.0), "3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:57:17
[INFO] [stderr]     |
[INFO] [stderr] 57  |     assert_eq!(&format_as!(Math, 3e5), r"3\times10^{5}");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:58:17
[INFO] [stderr]     |
[INFO] [stderr] 58  |     assert_eq!(&format_as!(Math, 1e5), r"10^{5}");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/mathlatex.rs:59:17
[INFO] [stderr]     |
[INFO] [stderr] 59  |     assert_eq!(&format_as!(Math, 3e4), "30000");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:24:17
[INFO] [stderr]     |
[INFO] [stderr] 24  |     assert_eq!(&format_as!(Rust, ("&")), r#""&""#);
[INFO] [stderr]     |                 ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:28:17
[INFO] [stderr]     |
[INFO] [stderr] 28  |     assert_eq!(&format_as!(Rust, 3.0), "3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:29:17
[INFO] [stderr]     |
[INFO] [stderr] 29  |     assert_eq!(&format_as!(Rust, 3e5), "3e5");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:30:17
[INFO] [stderr]     |
[INFO] [stderr] 30  |     assert_eq!(&format_as!(Rust, 3e4), "3e4");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:31:17
[INFO] [stderr]     |
[INFO] [stderr] 31  |     assert_eq!(&format_as!(Rust, 3e3), "3e3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rust.rs:32:17
[INFO] [stderr]     |
[INFO] [stderr] 32  |     assert_eq!(&format_as!(Rust, 3e2), "300");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/url.rs:26:17
[INFO] [stderr]     |
[INFO] [stderr] 26  |     assert_eq!(&format_as!(URL, ("&")), "&");
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/url.rs:28:10
[INFO] [stderr]     |
[INFO] [stderr] 28  |         &format_as!(URL, ("hello &>this is cool")),
[INFO] [stderr]     |          ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/url.rs:32:10
[INFO] [stderr]     |
[INFO] [stderr] 32  |         &format_as!(URL, ("hello &>this is 'cool")),
[INFO] [stderr]     |          ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:26:17
[INFO] [stderr]     |
[INFO] [stderr] 26  |     assert_eq!(&format_as!(UTF8, ("&")), "&");
[INFO] [stderr]     |                 ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:30:17
[INFO] [stderr]     |
[INFO] [stderr] 30  |     assert_eq!(&format_as!(UTF8, 3.0), "3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:31:17
[INFO] [stderr]     |
[INFO] [stderr] 31  |     assert_eq!(&format_as!(UTF8, 3e5), "3e5");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:32:17
[INFO] [stderr]     |
[INFO] [stderr] 32  |     assert_eq!(&format_as!(UTF8, 3e4), "3e4");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:33:17
[INFO] [stderr]     |
[INFO] [stderr] 33  |     assert_eq!(&format_as!(UTF8, 3e3), "3e3");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utf8.rs:34:17
[INFO] [stderr]     |
[INFO] [stderr] 34  |     assert_eq!(&format_as!(UTF8, 3e2), "300");
[INFO] [stderr]     |                 --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 316 |     assert_eq!("hello world", &format_as!(HTML, display_closure_as(HTML, x)));
[INFO] [stderr]     |                                --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 439 |         assert_eq!(&format_as!(HTML, ("&")), "&amp;");
[INFO] [stderr]     |                     ----------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 441 |             &format_as!(HTML, ("hello &>this is cool")),
[INFO] [stderr]     |              ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcMacroHack`
[INFO] [stderr]    --> src/lib.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | #[proc_macro_hack]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 445 |             &format_as!(HTML, ("hello &>this is 'cool")),
[INFO] [stderr]     |              ------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/write_as.rs:41:38
[INFO] [stderr]    |
[INFO] [stderr] 41 |     write_as!(HTML, s, for d in data.into_iter() {
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[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]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/loop_in_let.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 |             for i in [1u8, 2].into_iter() {
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[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]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/loop_in_let.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for i in [1u8,2].into_iter() {
[INFO] [stderr]    |                          ^^^^^^^^^
[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]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `"docker" "inspect" "e7f4f177a7dcae20252a344f2f181285d8c8bcebe48f879fdcf75d082b8654c6"`
[INFO] running `"docker" "rm" "-f" "e7f4f177a7dcae20252a344f2f181285d8c8bcebe48f879fdcf75d082b8654c6"`
[INFO] [stdout] e7f4f177a7dcae20252a344f2f181285d8c8bcebe48f879fdcf75d082b8654c6