[INFO] cloning repository https://github.com/wackywendell/rchat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wackywendell/rchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b06f98d82c595feb2a628f4de6d19d0213bf2123 [INFO] checking wackywendell/rchat against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wackywendell/rchat 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/wackywendell/rchat [INFO] finished tweaking git repo https://github.com/wackywendell/rchat [INFO] tweaked toml for git repo https://github.com/wackywendell/rchat written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/wackywendell/rchat 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] Downloading crates ... [INFO] [stderr] Downloaded protoc-rust v2.0.4 [INFO] [stderr] Downloaded httpbis v0.7.0 [INFO] [stderr] Downloaded tokio-tls-api v0.1.20 [INFO] [stderr] Downloaded tokio-uds v0.1.7 [INFO] [stderr] Downloaded tls-api-stub v0.1.20 [INFO] [stderr] Downloaded protobuf v2.0.4 [INFO] [stderr] Downloaded protobuf-codegen v2.0.4 [INFO] [stderr] Downloaded grpc v0.5.0 [INFO] [stderr] Downloaded grpc-compiler v0.5.0 [INFO] [stderr] Downloaded protoc v2.0.4 [INFO] [stderr] Downloaded protoc-rust-grpc v0.5.0 [INFO] [stderr] Downloaded structopt-derive v0.2.10 [INFO] [stderr] Downloaded structopt v0.2.10 [INFO] [stderr] Downloaded tls-api v0.1.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a1a1d35132fa0e180017bc0f4278870e85cdcd58edbc515ca7e75383d46641e [INFO] running `Command { std: "docker" "start" "-a" "5a1a1d35132fa0e180017bc0f4278870e85cdcd58edbc515ca7e75383d46641e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a1a1d35132fa0e180017bc0f4278870e85cdcd58edbc515ca7e75383d46641e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a1a1d35132fa0e180017bc0f4278870e85cdcd58edbc515ca7e75383d46641e", kill_on_drop: false }` [INFO] [stdout] 5a1a1d35132fa0e180017bc0f4278870e85cdcd58edbc515ca7e75383d46641e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] f66e3883f2f1b2ac952bfc79184b75cd9446520b8cc8cb96365edb6e9abfcca3 [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" "f66e3883f2f1b2ac952bfc79184b75cd9446520b8cc8cb96365edb6e9abfcca3", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking futures v0.1.24 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Compiling protobuf v2.0.4 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Compiling httpbis v0.7.0 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking tls-api v0.1.20 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking base64 v0.9.2 [INFO] [stderr] Compiling protoc v2.0.4 [INFO] [stderr] Checking tls-api-stub v0.1.20 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/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-0.14.9/src/expr.rs:1785:12 [INFO] [stdout] | [INFO] [stdout] 1785 | 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] 1786 | | parens!(Punctuated::parse_terminated) [INFO] [stdout] 1787 | | ); [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] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-executor v0.1.4 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.1.2 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f66e3883f2f1b2ac952bfc79184b75cd9446520b8cc8cb96365edb6e9abfcca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f66e3883f2f1b2ac952bfc79184b75cd9446520b8cc8cb96365edb6e9abfcca3", kill_on_drop: false }` [INFO] [stdout] f66e3883f2f1b2ac952bfc79184b75cd9446520b8cc8cb96365edb6e9abfcca3