[INFO] cloning repository https://github.com/eonil/cargo-ipcgen-swift [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eonil/cargo-ipcgen-swift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feonil%2Fcargo-ipcgen-swift", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feonil%2Fcargo-ipcgen-swift'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b93d463b5a0260aec9db5335d93579e36300f188 [INFO] checking eonil/cargo-ipcgen-swift against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feonil%2Fcargo-ipcgen-swift" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eonil/cargo-ipcgen-swift on toolchain 8b72f65b805cbe4c261de45030d663f524f27376 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eonil/cargo-ipcgen-swift [INFO] finished tweaking git repo https://github.com/eonil/cargo-ipcgen-swift [INFO] tweaked toml for git repo https://github.com/eonil/cargo-ipcgen-swift written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/eonil/cargo-ipcgen-swift already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syntex_pos v0.59.1 [INFO] [stderr] Downloaded syntex_errors v0.59.1 [INFO] [stderr] Downloaded endian-type v0.1.2 [INFO] [stderr] Downloaded nibble_vec v0.0.4 [INFO] [stderr] Downloaded serde v1.0.55 [INFO] [stderr] Downloaded derive-new v0.5.4 [INFO] [stderr] Downloaded syn v0.13.10 [INFO] [stderr] Downloaded syntex_syntax v0.59.1 [INFO] [stderr] Downloaded serde_derive v1.0.55 [INFO] [stderr] Downloaded extprim v1.6.0 [INFO] [stderr] Downloaded radix_trie v0.1.3 [INFO] [stderr] Downloaded rls-data v0.16.0 [INFO] [stderr] Downloaded rls-span v0.4.0 [INFO] [stderr] Downloaded rls-analysis v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb797e5b53cc8f2fd36bd23c04756c10cf2e9b01f6c911dacc47e50d3aa1d163 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bb797e5b53cc8f2fd36bd23c04756c10cf2e9b01f6c911dacc47e50d3aa1d163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb797e5b53cc8f2fd36bd23c04756c10cf2e9b01f6c911dacc47e50d3aa1d163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb797e5b53cc8f2fd36bd23c04756c10cf2e9b01f6c911dacc47e50d3aa1d163", kill_on_drop: false }` [INFO] [stdout] bb797e5b53cc8f2fd36bd23c04756c10cf2e9b01f6c911dacc47e50d3aa1d163 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d0e6f623f03d2499e44a2fb3d05e1c03d92a4f2c3576ab351b92b3dba8fe9957 [INFO] running `Command { std: "docker" "start" "-a" "d0e6f623f03d2499e44a2fb3d05e1c03d92a4f2c3576ab351b92b3dba8fe9957", kill_on_drop: false }` [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking nibble_vec v0.0.4 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking rls-span v0.4.0 [INFO] [stderr] Compiling rustc_version v0.2.2 [INFO] [stderr] Checking radix_trie v0.1.3 [INFO] [stderr] Checking rls-data v0.16.0 [INFO] [stderr] Compiling extprim v1.6.0 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.10 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.10/src/parsers.rs:68:48 [INFO] [stdout] | [INFO] [stdout] 68 | fn $name(i: $crate::buffer::Cursor) -> $crate::synom::PResult<$o> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()` [INFO] [stdout] 69 | $submac!(i, $($args)*) [INFO] [stdout] | - help: consider removing this semicolon [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.10/src/expr.rs:1701:12 [INFO] [stdout] | [INFO] [stdout] 1701 | named!(and_call -> (token::Paren, Punctuated), [INFO] [stdout] | - -------- implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | _____| [INFO] [stdout] | | [INFO] [stdout] 1702 | | parens!(Punctuated::parse_terminated)); [INFO] [stdout] | |__________________________________________________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::result::Result<((Paren, punctuated::Punctuated), buffer::Cursor<'_>), error::ParseError>` [INFO] [stdout] found unit type `()` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `syn` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "d0e6f623f03d2499e44a2fb3d05e1c03d92a4f2c3576ab351b92b3dba8fe9957", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0e6f623f03d2499e44a2fb3d05e1c03d92a4f2c3576ab351b92b3dba8fe9957", kill_on_drop: false }` [INFO] [stdout] d0e6f623f03d2499e44a2fb3d05e1c03d92a4f2c3576ab351b92b3dba8fe9957