[INFO] fetching crate monad_macros 0.0.1...
[INFO] checking monad_macros-0.0.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate monad_macros 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate monad_macros 0.0.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monad_macros 0.0.1
[INFO] finished tweaking crates.io crate monad_macros 0.0.1
[INFO] tweaked toml for crates.io crate monad_macros 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unused manifest key: lib.plugin
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be04ca9d41235f967e1fccf4551682455dc7cf41a6cf84e19db9831e4a5d4c2d
[INFO] running `Command { std: "docker" "start" "-a" "be04ca9d41235f967e1fccf4551682455dc7cf41a6cf84e19db9831e4a5d4c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be04ca9d41235f967e1fccf4551682455dc7cf41a6cf84e19db9831e4a5d4c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be04ca9d41235f967e1fccf4551682455dc7cf41a6cf84e19db9831e4a5d4c2d", kill_on_drop: false }`
[INFO] [stdout] be04ca9d41235f967e1fccf4551682455dc7cf41a6cf84e19db9831e4a5d4c2d
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26212743e0ec58e92a8f32dfb8f13eb20d59d7fc115c825fc38250d9e4d757d4
[INFO] running `Command { std: "docker" "start" "-a" "26212743e0ec58e92a8f32dfb8f13eb20d59d7fc115c825fc38250d9e4d757d4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]     Checking monad_macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `$p:pat` is followed by `:`, which is not allowed for `pat` fragments
[INFO] [stdout]   --> src/lib.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         $p: pat : $ty: ty <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                 ^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$ty:ty` is followed by `<-`, which is not allowed for `ty` fragments
[INFO] [stdout]   --> src/lib.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         $p: pat : $ty: ty <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                           ^^ not allowed after `ty` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$p:pat` is followed by `<-`, which is not allowed for `pat` fragments
[INFO] [stdout]   --> src/lib.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         $p: pat <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                 ^^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$p:pat` is followed by `:`, which is not allowed for `pat` fragments
[INFO] [stdout]   --> src/lib.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         $p: pat : $ty: ty <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                 ^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$ty:ty` is followed by `<-`, which is not allowed for `ty` fragments
[INFO] [stdout]   --> src/lib.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         $p: pat : $ty: ty <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                           ^^ not allowed after `ty` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$p:pat` is followed by `<-`, which is not allowed for `pat` fragments
[INFO] [stdout]   --> src/lib.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         $p: pat <- $e: expr ; $( $t: tt )*
[INFO] [stdout]    |                 ^^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monad_macros` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `monad_macros` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "26212743e0ec58e92a8f32dfb8f13eb20d59d7fc115c825fc38250d9e4d757d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26212743e0ec58e92a8f32dfb8f13eb20d59d7fc115c825fc38250d9e4d757d4", kill_on_drop: false }`
[INFO] [stdout] 26212743e0ec58e92a8f32dfb8f13eb20d59d7fc115c825fc38250d9e4d757d4