[INFO] fetching crate pipes 0.0.1...
[INFO] checking pipes-0.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate pipes 0.0.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate pipes 0.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf1321f734a55f0c29e5eaaa7e5a787c3359ad93659d1b8798dd3cdbdd6c2b0
[INFO] running `Command { std: "docker" "start" "-a" "abf1321f734a55f0c29e5eaaa7e5a787c3359ad93659d1b8798dd3cdbdd6c2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf1321f734a55f0c29e5eaaa7e5a787c3359ad93659d1b8798dd3cdbdd6c2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf1321f734a55f0c29e5eaaa7e5a787c3359ad93659d1b8798dd3cdbdd6c2b0", kill_on_drop: false }`
[INFO] [stdout] abf1321f734a55f0c29e5eaaa7e5a787c3359ad93659d1b8798dd3cdbdd6c2b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1674c6cac2ace7346e88f0d6d925bacb9056c4aae920aa5ea9ae48f2d58f26
[INFO] running `Command { std: "docker" "start" "-a" "ba1674c6cac2ace7346e88f0d6d925bacb9056c4aae920aa5ea9ae48f2d58f26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [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] [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] running `Command { std: "docker" "inspect" "ba1674c6cac2ace7346e88f0d6d925bacb9056c4aae920aa5ea9ae48f2d58f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1674c6cac2ace7346e88f0d6d925bacb9056c4aae920aa5ea9ae48f2d58f26", kill_on_drop: false }`
[INFO] [stdout] ba1674c6cac2ace7346e88f0d6d925bacb9056c4aae920aa5ea9ae48f2d58f26