[INFO] fetching crate free_macros 0.0.1...
[INFO] testing free_macros-0.0.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate free_macros 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate free_macros 0.0.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate free_macros 0.0.1
[INFO] finished tweaking crates.io crate free_macros 0.0.1
[INFO] tweaked toml for crates.io crate free_macros 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32cf9474b3ce2b71b886dc6d50f47f2f773538ba1ba00d3c2445f4e7a8d31eb
[INFO] running `Command { std: "docker" "start" "-a" "d32cf9474b3ce2b71b886dc6d50f47f2f773538ba1ba00d3c2445f4e7a8d31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32cf9474b3ce2b71b886dc6d50f47f2f773538ba1ba00d3c2445f4e7a8d31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32cf9474b3ce2b71b886dc6d50f47f2f773538ba1ba00d3c2445f4e7a8d31eb", kill_on_drop: false }`
[INFO] [stdout] d32cf9474b3ce2b71b886dc6d50f47f2f773538ba1ba00d3c2445f4e7a8d31eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee25938d6cbd0c9d4c35cb0b7ed477ec1766d041bf47921ea97b9b726a8ce3c2
[INFO] running `Command { std: "docker" "start" "-a" "ee25938d6cbd0c9d4c35cb0b7ed477ec1766d041bf47921ea97b9b726a8ce3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling free_macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]    --> src/free/monad.rs:2:19
[INFO] [stdout]     |
[INFO] [stdout] 2   |   macro_rules! monad(
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 3   | |     ($M:ident, $Sig:ident, $sig_map:ident, [ $($ctx:ident,)* ]) =>
[INFO] [stdout] 4   | |     {
[INFO] [stdout] 5   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     };
[INFO] [stdout] 257 | | )
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]     |
[INFO] [stdout] 2   ~ macro_rules! monad{
[INFO] [stdout] 3   |     ($M:ident, $Sig:ident, $sig_map:ident, [ $($ctx:ident,)* ]) =>
[INFO] [stdout]   ...
[INFO] [stdout] 256 |     };
[INFO] [stdout] 257 + }
[INFO] [stdout]     |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]     |
[INFO] [stdout] 257 | );
[INFO] [stdout]     |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![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 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `free_macros` (lib) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ee25938d6cbd0c9d4c35cb0b7ed477ec1766d041bf47921ea97b9b726a8ce3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee25938d6cbd0c9d4c35cb0b7ed477ec1766d041bf47921ea97b9b726a8ce3c2", kill_on_drop: false }`
[INFO] [stdout] ee25938d6cbd0c9d4c35cb0b7ed477ec1766d041bf47921ea97b9b726a8ce3c2
