[INFO] fetching crate const_panic 0.2.8...
[INFO] checking const_panic-0.2.8 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate const_panic 0.2.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate const_panic 0.2.8 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const_panic 0.2.8
[INFO] finished tweaking crates.io crate const_panic 0.2.8
[INFO] tweaked toml for crates.io crate const_panic 0.2.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_panic_proc_macros v0.2.0
[INFO] [stderr]   Downloaded typewit_proc_macros v1.8.1
[INFO] [stderr]   Downloaded typewit v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f9fef04e712fc96795c62631a490469c7efc188cf6b1f42c1ef5c0b26df983d
[INFO] running `Command { std: "docker" "start" "-a" "2f9fef04e712fc96795c62631a490469c7efc188cf6b1f42c1ef5c0b26df983d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f9fef04e712fc96795c62631a490469c7efc188cf6b1f42c1ef5c0b26df983d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9fef04e712fc96795c62631a490469c7efc188cf6b1f42c1ef5c0b26df983d", kill_on_drop: false }`
[INFO] [stdout] 2f9fef04e712fc96795c62631a490469c7efc188cf6b1f42c1ef5c0b26df983d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00843736df92f5ce576dc6dea358035fa43511a0a42b8931c3044f3bcdfaa2be
[INFO] running `Command { std: "docker" "start" "-a" "00843736df92f5ce576dc6dea358035fa43511a0a42b8931c3044f3bcdfaa2be", kill_on_drop: false }`
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking const_panic v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `enum_prim` is imported redundantly
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | / macro_rules! enum_prim {
[INFO] [stdout] 53 | |     (
[INFO] [stdout] 54 | |         $type:ident, $bits:expr;
[INFO] [stdout] 55 | |         default $default:ident,
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |     )
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_- the item `enum_prim` is already defined here
[INFO] [stdout] 82 |   use enum_prim;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/array_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::PartialEq,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/nonzero_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/other_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `None`, `Some`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |         option::Option::{self, None, Some},
[INFO] [stdout]     |                                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: please use cargo test --features "test"
[INFO] [stdout]    --> src/lib.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | compile_error! {r##"please use cargo test --features "test""##}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `enum_prim` is imported redundantly
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | / macro_rules! enum_prim {
[INFO] [stdout] 53 | |     (
[INFO] [stdout] 54 | |         $type:ident, $bits:expr;
[INFO] [stdout] 55 | |         default $default:ident,
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |     )
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_- the item `enum_prim` is already defined here
[INFO] [stdout] 82 |   use enum_prim;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/array_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::PartialEq,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/nonzero_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/other_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `None`, `Some`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |         option::Option::{self, None, Some},
[INFO] [stdout]     |                                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `BITS` is never used
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |               impl $type {
[INFO] [stdout]    |               ---------- associated constant in this implementation
[INFO] [stdout] 70 |                   const BITS: u8 = $bits;
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | / enum_prim! {
[INFO] [stdout] 91 | |     NumberFmt, 2;
[INFO] [stdout] 92 | |     default Decimal,
[INFO] [stdout] 93 | |     Binary,
[INFO] [stdout] 94 | |     Hexadecimal,
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `enum_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_panic` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "00843736df92f5ce576dc6dea358035fa43511a0a42b8931c3044f3bcdfaa2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00843736df92f5ce576dc6dea358035fa43511a0a42b8931c3044f3bcdfaa2be", kill_on_drop: false }`
[INFO] [stdout] 00843736df92f5ce576dc6dea358035fa43511a0a42b8931c3044f3bcdfaa2be
[INFO] checking const_panic-0.2.8 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate const_panic 0.2.8 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate const_panic 0.2.8 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const_panic 0.2.8
[INFO] finished tweaking crates.io crate const_panic 0.2.8
[INFO] tweaked toml for crates.io crate const_panic 0.2.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a89649fff336f44dad9c805cda5a39e850db7ff7369948b9c55784a06fa15699
[INFO] running `Command { std: "docker" "start" "-a" "a89649fff336f44dad9c805cda5a39e850db7ff7369948b9c55784a06fa15699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a89649fff336f44dad9c805cda5a39e850db7ff7369948b9c55784a06fa15699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89649fff336f44dad9c805cda5a39e850db7ff7369948b9c55784a06fa15699", kill_on_drop: false }`
[INFO] [stdout] a89649fff336f44dad9c805cda5a39e850db7ff7369948b9c55784a06fa15699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2f42c9ab38c0c75601bfd1be4eaf9ac592b593d2fd7904d82f7b6125dd1b9b
[INFO] running `Command { std: "docker" "start" "-a" "ea2f42c9ab38c0c75601bfd1be4eaf9ac592b593d2fd7904d82f7b6125dd1b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking const_panic v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `enum_prim` is imported redundantly
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | / macro_rules! enum_prim {
[INFO] [stdout] 53 | |     (
[INFO] [stdout] 54 | |         $type:ident, $bits:expr;
[INFO] [stdout] 55 | |         default $default:ident,
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |     )
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_- the item `enum_prim` is already defined here
[INFO] [stdout] 82 |   use enum_prim;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/array_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::PartialEq,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/nonzero_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/other_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `None`, `Some`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |         option::Option::{self, None, Some},
[INFO] [stdout]     |                                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: please use cargo test --features "test"
[INFO] [stdout]    --> src/lib.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | compile_error! {r##"please use cargo test --features "test""##}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `enum_prim` is imported redundantly
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | / macro_rules! enum_prim {
[INFO] [stdout] 53 | |     (
[INFO] [stdout] 54 | |         $type:ident, $bits:expr;
[INFO] [stdout] 55 | |         default $default:ident,
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |     )
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_- the item `enum_prim` is already defined here
[INFO] [stdout] 82 |   use enum_prim;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/array_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::PartialEq,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/nonzero_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PanicFmt`
[INFO] [stdout]  --> src/fmt_impls/other_impls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FmtArg, PanicFmt, PanicVal};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `None`, `Some`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |         option::Option::{self, None, Some},
[INFO] [stdout]     |                                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `BITS` is never used
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |               impl $type {
[INFO] [stdout]    |               ---------- associated constant in this implementation
[INFO] [stdout] 70 |                   const BITS: u8 = $bits;
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | / enum_prim! {
[INFO] [stdout] 91 | |     NumberFmt, 2;
[INFO] [stdout] 92 | |     default Decimal,
[INFO] [stdout] 93 | |     Binary,
[INFO] [stdout] 94 | |     Hexadecimal,
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `enum_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_panic` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea2f42c9ab38c0c75601bfd1be4eaf9ac592b593d2fd7904d82f7b6125dd1b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2f42c9ab38c0c75601bfd1be4eaf9ac592b593d2fd7904d82f7b6125dd1b9b", kill_on_drop: false }`
[INFO] [stdout] ea2f42c9ab38c0c75601bfd1be4eaf9ac592b593d2fd7904d82f7b6125dd1b9b
