[INFO] fetching crate free_macros 0.0.1...
[INFO] checking free_macros-0.0.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate free_macros 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate free_macros 0.0.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5b01896d9297fd30d87f084cdd7f58f8a9077a672ce90ea8c855074beb9f70
[INFO] running `Command { std: "docker" "start" "-a" "cc5b01896d9297fd30d87f084cdd7f58f8a9077a672ce90ea8c855074beb9f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5b01896d9297fd30d87f084cdd7f58f8a9077a672ce90ea8c855074beb9f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5b01896d9297fd30d87f084cdd7f58f8a9077a672ce90ea8c855074beb9f70", kill_on_drop: false }`
[INFO] [stdout] cc5b01896d9297fd30d87f084cdd7f58f8a9077a672ce90ea8c855074beb9f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c78508d69e95ee44ac660538df5df5616dda533773a1d88ebd15d13c7064dc
[INFO] running `Command { std: "docker" "start" "-a" "b1c78508d69e95ee44ac660538df5df5616dda533773a1d88ebd15d13c7064dc", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 4   |     {
[INFO] [stdout] 5   | 
[INFO] [stdout] 6   |         #[allow(dead_code)]
[INFO] [stdout] 7   |         struct Opaque(*const u8);
[INFO] [stdout]   ...
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]     |
[INFO] [stdout] 257 | );
[INFO] [stdout]     |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[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] 4   |     {
[INFO] [stdout] 5   | 
[INFO] [stdout] 6   |         #[allow(dead_code)]
[INFO] [stdout] 7   |         struct Opaque(*const u8);
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `free_macros` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1c78508d69e95ee44ac660538df5df5616dda533773a1d88ebd15d13c7064dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c78508d69e95ee44ac660538df5df5616dda533773a1d88ebd15d13c7064dc", kill_on_drop: false }`
[INFO] [stdout] b1c78508d69e95ee44ac660538df5df5616dda533773a1d88ebd15d13c7064dc