[INFO] cloning repository https://github.com/david-d-h/wtflip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-d-h/wtflip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-d-h%2Fwtflip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-d-h%2Fwtflip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f68e64d9f332f708f955b6cfc99eda41550fa877
[INFO] checking david-d-h/wtflip against 656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-25
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-d-h%2Fwtflip" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/david-d-h/wtflip
[INFO] finished tweaking git repo https://github.com/david-d-h/wtflip
[INFO] tweaked toml for git repo https://github.com/david-d-h/wtflip written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-d-h/wtflip on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/david-d-h/wtflip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defile v0.2.1
[INFO] [stderr]   Downloaded defile-proc_macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7
[INFO] running `Command { std: "docker" "start" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling defile-proc_macros v0.2.1
[INFO] [stderr]     Checking defile v0.2.1
[INFO] [stderr]     Checking wtflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `punctuation_from_char`
[INFO] [stdout]   --> src/punctuated.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | macro_rules! punctuation_from_char {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `punctuation_from_char`
[INFO] [stdout]   --> src/punctuated.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 | } pub(crate) use punctuation_from_char;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> src/expression.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let ast = crate::Expression!(fn (a, b, c) -> 12.0);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `Expression! { fn(a, b, c) -> 12.0 }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                $crate :: expression :: Expression ::
[INFO] [stdout]                Closure(Box :: new($crate :: Closure! (fn(a, b, c) -> 12.0)))
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `Closure! { fn(a, b, c) -> 12.0 }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                $crate :: expression :: Closure
[INFO] [stdout]                {
[INFO] [stdout]                    arguments : $crate :: Punctuated!
[INFO] [stdout]                    (match, use $crate :: Identifier : a, b, c), body : $crate ::
[INFO] [stdout]                    Expression! (12.0),
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `Punctuated! { match, use $crate :: Identifier : a, b, c }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                const C : char =
[INFO] [stdout]                {
[INFO] [stdout]                    #[inline] const fn char < const FROM : & 'static str > () -> char
[INFO] [stdout]                    where [(); { FROM.len() == 1 } as usize - 1] :
[INFO] [stdout]                    { :: core :: primitive :: str :: as_bytes(FROM)[0] as char } char :: <
[INFO] [stdout]                    { :: core :: stringify! (,) }> ()
[INFO] [stdout]                }; macro_rules! __punctuated_internal_parser
[INFO] [stdout]                {
[INFO] [stdout]                    ([$ ([$ ($output : tt)*])*] [$ ($buffer : tt)*], $ ($tail : tt)*) =>
[INFO] [stdout]                    (__punctuated_internal_parser!
[INFO] [stdout]                    ([$ ([$ ($output)*])* [$crate :: Identifier ! ($ ($buffer)*)]] [] $
[INFO] [stdout]                    ($tail)*));
[INFO] [stdout]                    ([$ ([$ ($output : tt)*])*] [$ ($buffer : tt)*] $tt : tt $
[INFO] [stdout]                    ($tail : tt)*) =>
[INFO] [stdout]                    (__punctuated_internal_parser!
[INFO] [stdout]                    ([$ ([$ ($output)*])*] [$ ($buffer)* $tt] $ ($tail)*));
[INFO] [stdout]                    ([$ ([$ ($output : tt)*])*] [$ ($tt : tt $ ($buffer : tt)*)?] $ (,)?)
[INFO] [stdout]                    =>
[INFO] [stdout]                    ($crate :: defile!
[INFO] [stdout]                    ({
[INFO] [stdout]                        $crate :: punctuated :: Punctuated :: < _ >
[INFO] [stdout]                        {
[INFO] [stdout]                            punctuation : $crate :: punctuated :: Punctuation :: from_char
[INFO] [stdout]                            :: < C > (), items : :: std :: vec :: Vec ::
[INFO] [stdout]                            from([$ ($ ($output)* ,)* $
[INFO] [stdout]                            (@ $crate :: Identifier ! ($tt $ ($buffer)*))?])
[INFO] [stdout]                        }
[INFO] [stdout]                    }));
[INFO] [stdout]                } __punctuated_internal_parser! ([] [] a, b, c)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [] [] a, b, c }`
[INFO] [stdout]    = note: to `__punctuated_internal_parser! ([] [a], b, c)`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [] [a], b, c }`
[INFO] [stdout]    = note: to `__punctuated_internal_parser! ([[$crate :: Identifier ! (a)]] [] b, c)`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [[$crate :: Identifier ! (a)]] [] b, c }`
[INFO] [stdout]    = note: to `__punctuated_internal_parser! ([[$crate :: Identifier ! (a)]] [b], c)`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [[$crate :: Identifier ! (a)]] [b], c }`
[INFO] [stdout]    = note: to `__punctuated_internal_parser!
[INFO] [stdout]            ([[$crate :: Identifier ! (a)] [$crate :: Identifier ! (b)]] [] c)`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [[$crate :: Identifier ! (a)] [$crate :: Identifier ! (b)]] [] c }`
[INFO] [stdout]    = note: to `__punctuated_internal_parser!
[INFO] [stdout]            ([[$crate :: Identifier ! (a)] [$crate :: Identifier ! (b)]] [c])`
[INFO] [stdout]    = note: expanding `__punctuated_internal_parser! { [[$crate :: Identifier ! (a)] [$crate :: Identifier ! (b)]] [c] }`
[INFO] [stdout]    = note: to `$crate :: defile!
[INFO] [stdout]            ({
[INFO] [stdout]                $crate :: punctuated :: Punctuated :: < _ >
[INFO] [stdout]                {
[INFO] [stdout]                    punctuation : $crate :: punctuated :: Punctuation :: from_char :: < C
[INFO] [stdout]                    > (), items : :: std :: vec :: Vec ::
[INFO] [stdout]                    from([$crate :: Identifier ! (a), $crate :: Identifier ! (b), @
[INFO] [stdout]                    $crate :: Identifier ! (c)])
[INFO] [stdout]                }
[INFO] [stdout]            })`
[INFO] [stdout]    = note: expanding `Identifier! { a }`
[INFO] [stdout]    = note: to `{ $crate :: common :: Identifier(:: core :: stringify! (a)) }`
[INFO] [stdout]    = note: expanding `Identifier! { b }`
[INFO] [stdout]    = note: to `{ $crate :: common :: Identifier(:: core :: stringify! (b)) }`
[INFO] [stdout]    = note: expanding `Identifier! { c }`
[INFO] [stdout]    = note: to `{ $crate :: common :: Identifier(:: core :: stringify! (c)) }`
[INFO] [stdout]    = note: expanding `Expression! { 12.0 }`
[INFO] [stdout]    = note: to `{ $crate :: expression :: Expression :: Literal($crate :: Literal! (12.0)) }`
[INFO] [stdout]    = note: expanding `Literal! { 12.0 }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                :: core :: convert :: Into :: < $crate :: common :: Literal > ::
[INFO] [stdout]                into(12.0)
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `decl_macro` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(decl_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `trace_macros` is declared but not used
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(trace_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `decl_macro` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(decl_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7", kill_on_drop: false }`
[INFO] [stdout] d33bd2b111db288ddf0b28be6543472486b5ed83f83f50526ffdb926e3e5e4b7