[INFO] cloning repository https://github.com/dwrensha/seer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwrensha/seer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Fseer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Fseer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 868171c5a5cc37fb875ba4469410dbb4343d0331 [INFO] checking dwrensha/seer against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Fseer" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dwrensha/seer 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/dwrensha/seer [INFO] finished tweaking git repo https://github.com/dwrensha/seer [INFO] tweaked toml for git repo https://github.com/dwrensha/seer written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dwrensha/seer 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 miow v0.3.1 [INFO] [stderr] Downloaded log_settings v0.1.2 [INFO] [stderr] Downloaded seer-z3 v0.1.2 [INFO] [stderr] Downloaded serde_json v1.0.20 [INFO] [stderr] Downloaded filetime v0.2.1 [INFO] [stderr] Downloaded cargo_metadata v0.1.2 [INFO] [stderr] Downloaded getopts v0.2.17 [INFO] [stderr] Downloaded z3-sys v0.3.0 [INFO] [stderr] Downloaded compiletest_rs v0.3.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 40f26abbda70fb498893787b562b1c7ddb45a85f9f69dfd8cd50055c12ff869d [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" "40f26abbda70fb498893787b562b1c7ddb45a85f9f69dfd8cd50055c12ff869d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40f26abbda70fb498893787b562b1c7ddb45a85f9f69dfd8cd50055c12ff869d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f26abbda70fb498893787b562b1c7ddb45a85f9f69dfd8cd50055c12ff869d", kill_on_drop: false }` [INFO] [stdout] 40f26abbda70fb498893787b562b1c7ddb45a85f9f69dfd8cd50055c12ff869d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 27e37f29385e27489f98e69f5eac6fbe6be1c3848f9482d2f463f5cfc0e18d74 [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" "27e37f29385e27489f98e69f5eac6fbe6be1c3848f9482d2f463f5cfc0e18d74", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking z3-sys v0.3.0 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Compiling compiletest_rs v0.3.11 [INFO] [stderr] Checking getopts v0.2.17 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking filetime v0.2.1 [INFO] [stderr] Checking log_settings v0.1.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking seer-z3 v0.1.2 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.2/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-0.14.2/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 num-traits v0.1.43 [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" "27e37f29385e27489f98e69f5eac6fbe6be1c3848f9482d2f463f5cfc0e18d74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27e37f29385e27489f98e69f5eac6fbe6be1c3848f9482d2f463f5cfc0e18d74", kill_on_drop: false }` [INFO] [stdout] 27e37f29385e27489f98e69f5eac6fbe6be1c3848f9482d2f463f5cfc0e18d74