[INFO] cloning repository https://github.com/danrien/a_new_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danrien/a_new_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fa_new_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fa_new_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 957071326d43d645e845bbef446b8bbe1e337704 [INFO] checking danrien/a_new_os against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fa_new_os" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danrien/a_new_os 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/danrien/a_new_os [INFO] finished tweaking git repo https://github.com/danrien/a_new_os [INFO] tweaked toml for git repo https://github.com/danrien/a_new_os written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/danrien/a_new_os 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 volatile v0.2.5 [INFO] [stderr] Downloaded speculate v0.1.0 [INFO] [stderr] Downloaded bootloader v0.3.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0534bc6a0b5f00ac69e9a750c2c145f5ab80b3a4553f98920b12e82d101cbe28 [INFO] running `Command { std: "docker" "start" "-a" "0534bc6a0b5f00ac69e9a750c2c145f5ab80b3a4553f98920b12e82d101cbe28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0534bc6a0b5f00ac69e9a750c2c145f5ab80b3a4553f98920b12e82d101cbe28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0534bc6a0b5f00ac69e9a750c2c145f5ab80b3a4553f98920b12e82d101cbe28", kill_on_drop: false }` [INFO] [stdout] 0534bc6a0b5f00ac69e9a750c2c145f5ab80b3a4553f98920b12e82d101cbe28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a8ed80270ecbacfef82a5c934289d9e1d9f71f430584c09544026d3ca47a2977 [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" "a8ed80270ecbacfef82a5c934289d9e1d9f71f430584c09544026d3ca47a2977", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking usize_conversions v0.2.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking os_bootinfo v0.2.1 [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking zero v0.1.2 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking font8x8 v0.2.4 [INFO] [stderr] Checking volatile v0.2.5 [INFO] [stderr] Checking xmas-elf v0.6.2 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Checking array-init v0.0.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling skeptic v0.5.0 [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] Compiling fixedvec v0.2.3 [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" "a8ed80270ecbacfef82a5c934289d9e1d9f71f430584c09544026d3ca47a2977", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8ed80270ecbacfef82a5c934289d9e1d9f71f430584c09544026d3ca47a2977", kill_on_drop: false }` [INFO] [stdout] a8ed80270ecbacfef82a5c934289d9e1d9f71f430584c09544026d3ca47a2977