[INFO] fetching crate monad_macros 0.0.1...
[INFO] checking monad_macros-0.0.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate monad_macros 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate monad_macros 0.0.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b42b601cbc8c05d54b6e9e12a3fcd148c0ec195f1c3573c1f1f045544f6656a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b42b601cbc8c05d54b6e9e12a3fcd148c0ec195f1c3573c1f1f045544f6656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b42b601cbc8c05d54b6e9e12a3fcd148c0ec195f1c3573c1f1f045544f6656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b42b601cbc8c05d54b6e9e12a3fcd148c0ec195f1c3573c1f1f045544f6656a", kill_on_drop: false }`
[INFO] [stdout] 8b42b601cbc8c05d54b6e9e12a3fcd148c0ec195f1c3573c1f1f045544f6656a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] effb3425f4f30e20b65e6fa4cced930e613376afacae77663adb799c5fc2c1b4
[INFO] running `Command { std: "docker" "start" "-a" "effb3425f4f30e20b65e6fa4cced930e613376afacae77663adb799c5fc2c1b4", kill_on_drop: false }`
[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 ; $( $t: tt )*
[INFO] [stdout]    |                 ^^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monad_macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: `$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: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "effb3425f4f30e20b65e6fa4cced930e613376afacae77663adb799c5fc2c1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effb3425f4f30e20b65e6fa4cced930e613376afacae77663adb799c5fc2c1b4", kill_on_drop: false }`
[INFO] [stdout] effb3425f4f30e20b65e6fa4cced930e613376afacae77663adb799c5fc2c1b4