[INFO] fetching crate pipes 0.0.1...
[INFO] checking pipes-0.0.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate pipes 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pipes 0.0.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipes 0.0.1
[INFO] finished tweaking crates.io crate pipes 0.0.1
[INFO] tweaked toml for crates.io crate pipes 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded free_macros v0.0.1
[INFO] [stderr]   Downloaded free v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d05dee8b9bea2bd1d1a57505cba5ef1f0f1cc7daff298840c550162eee88f3
[INFO] running `Command { std: "docker" "start" "-a" "81d05dee8b9bea2bd1d1a57505cba5ef1f0f1cc7daff298840c550162eee88f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d05dee8b9bea2bd1d1a57505cba5ef1f0f1cc7daff298840c550162eee88f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d05dee8b9bea2bd1d1a57505cba5ef1f0f1cc7daff298840c550162eee88f3", kill_on_drop: false }`
[INFO] [stdout] 81d05dee8b9bea2bd1d1a57505cba5ef1f0f1cc7daff298840c550162eee88f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101d1f06bb556140859c992dddd3de406b0e2ad1b92d8af94c6d387a6255b7ae
[INFO] running `Command { std: "docker" "start" "-a" "101d1f06bb556140859c992dddd3de406b0e2ad1b92d8af94c6d387a6255b7ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling free_macros v0.0.1
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/free_macros-0.0.1/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] [stderr] error: could not compile `free_macros`
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/free_macros-0.0.1/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "101d1f06bb556140859c992dddd3de406b0e2ad1b92d8af94c6d387a6255b7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101d1f06bb556140859c992dddd3de406b0e2ad1b92d8af94c6d387a6255b7ae", kill_on_drop: false }`
[INFO] [stdout] 101d1f06bb556140859c992dddd3de406b0e2ad1b92d8af94c6d387a6255b7ae