[INFO] fetching crate robin 0.3.0... [INFO] checking robin-0.3.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] extracting crate robin 0.3.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate robin 0.3.0 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 crates.io crate robin 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate robin 0.3.0 [INFO] tweaked toml for crates.io crate robin 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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 robin-derives v0.3.0 [INFO] [stderr] Downloaded typesafe-derive-builder v0.1.0 [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] [stdout] 793d4f03056d592511011e0d12afb666100fe4717af191a54832934c5bab595e [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" "793d4f03056d592511011e0d12afb666100fe4717af191a54832934c5bab595e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "793d4f03056d592511011e0d12afb666100fe4717af191a54832934c5bab595e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "793d4f03056d592511011e0d12afb666100fe4717af191a54832934c5bab595e", kill_on_drop: false }` [INFO] [stdout] 793d4f03056d592511011e0d12afb666100fe4717af191a54832934c5bab595e [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a52e8418d8f86c586bfe791765cd4a4ed122facf980ac99f1250c77191266c11 [INFO] running `Command { std: "docker" "start" "-a" "a52e8418d8f86c586bfe791765cd4a4ed122facf980ac99f1250c77191266c11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling redis v0.8.0 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking tinyvec v1.0.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking unicode-normalization v0.1.14 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.12.15/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-0.12.15/src/expr.rs:1692:12 [INFO] [stdout] | [INFO] [stdout] 1692 | 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] 1693 | | 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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a52e8418d8f86c586bfe791765cd4a4ed122facf980ac99f1250c77191266c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a52e8418d8f86c586bfe791765cd4a4ed122facf980ac99f1250c77191266c11", kill_on_drop: false }` [INFO] [stdout] a52e8418d8f86c586bfe791765cd4a4ed122facf980ac99f1250c77191266c11