[INFO] fetching crate monad_macros 0.0.1...
[INFO] testing monad_macros-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate monad_macros 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate monad_macros 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e6a760c5d2c97edacd08b6ff3c43bd0f207d52afa3bdb07c2a1c1fa5cc9d67c
[INFO] running `Command { std: "docker" "start" "-a" "5e6a760c5d2c97edacd08b6ff3c43bd0f207d52afa3bdb07c2a1c1fa5cc9d67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6a760c5d2c97edacd08b6ff3c43bd0f207d52afa3bdb07c2a1c1fa5cc9d67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6a760c5d2c97edacd08b6ff3c43bd0f207d52afa3bdb07c2a1c1fa5cc9d67c", kill_on_drop: false }`
[INFO] [stdout] 5e6a760c5d2c97edacd08b6ff3c43bd0f207d52afa3bdb07c2a1c1fa5cc9d67c
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c7eae7884cafdf024265581ec20bc2817d24929d0c8c8025ed3adf6b21b2b03
[INFO] running `Command { std: "docker" "start" "-a" "9c7eae7884cafdf024265581ec20bc2817d24929d0c8c8025ed3adf6b21b2b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 ; $( $t: tt )*
[INFO] [stdout]    |                 ^ not allowed after `pat` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,`, `=`, `|`, `if` or `in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monad_macros` due to 5 previous errors
[INFO] [stdout] error: `$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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c7eae7884cafdf024265581ec20bc2817d24929d0c8c8025ed3adf6b21b2b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7eae7884cafdf024265581ec20bc2817d24929d0c8c8025ed3adf6b21b2b03", kill_on_drop: false }`
[INFO] [stdout] 9c7eae7884cafdf024265581ec20bc2817d24929d0c8c8025ed3adf6b21b2b03