[INFO] cloning repository https://github.com/geluk/teensy-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geluk/teensy-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 495e7b0269de018344e05034228da1273714fadf [INFO] checking geluk/teensy-experiments against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/geluk/teensy-experiments 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/geluk/teensy-experiments [INFO] finished tweaking git repo https://github.com/geluk/teensy-experiments [INFO] tweaked toml for git repo https://github.com/geluk/teensy-experiments written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/geluk/teensy-experiments 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] Updating git repository `https://github.com/mciantyre/teensy4-rs` [INFO] [stderr] Updating git repository `https://github.com/japaric/jnet` [INFO] [stderr] Updating git repository `https://github.com/japaric/owning-slice` [INFO] [stderr] Updating git repository `https://github.com/rust-embedded/cortex-m-rt.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hash32-derive v0.1.0 [INFO] [stderr] Downloaded aligned v0.3.2 [INFO] [stderr] Downloaded enc28j60 v0.2.1 [INFO] [stderr] Downloaded imxrt-boot-gen v0.1.0 [INFO] [stderr] Downloaded imxrt-hal v0.3.0 [INFO] [stderr] Downloaded imxrt-ral v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 381557104d8a333e47e0bc1677910fb946600b2f607d6f3facc168d212ee3f44 [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" "381557104d8a333e47e0bc1677910fb946600b2f607d6f3facc168d212ee3f44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "381557104d8a333e47e0bc1677910fb946600b2f607d6f3facc168d212ee3f44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "381557104d8a333e47e0bc1677910fb946600b2f607d6f3facc168d212ee3f44", kill_on_drop: false }` [INFO] [stdout] 381557104d8a333e47e0bc1677910fb946600b2f607d6f3facc168d212ee3f44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] dbd61fb0cdb996f689df7b20283e10812fccfd8b137a09f5edd30178b88ee705 [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" "dbd61fb0cdb996f689df7b20283e10812fccfd8b137a09f5edd30178b88ee705", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cortex-m v0.6.3 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking vcell v0.1.2 [INFO] [stderr] Compiling imxrt-boot-gen v0.1.0 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling teensy4-rt v0.1.0 (https://github.com/mciantyre/teensy4-rs?branch=master#aee7a24c) [INFO] [stderr] Compiling imxrt-ral v0.3.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling teensy4-usb-sys v0.1.0 (https://github.com/mciantyre/teensy4-rs?branch=master#aee7a24c) [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling teensy4-fcb v0.2.0 (https://github.com/mciantyre/teensy4-rs?branch=master#aee7a24c) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.11/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-0.13.11/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] [stderr] Checking enc28j60 v0.2.1 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking generic-array v0.12.3 [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" "dbd61fb0cdb996f689df7b20283e10812fccfd8b137a09f5edd30178b88ee705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd61fb0cdb996f689df7b20283e10812fccfd8b137a09f5edd30178b88ee705", kill_on_drop: false }` [INFO] [stdout] dbd61fb0cdb996f689df7b20283e10812fccfd8b137a09f5edd30178b88ee705