[INFO] fetching crate ra_ap_assists 0.0.38... [INFO] checking ra_ap_assists-0.0.38 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322 [INFO] extracting crate ra_ap_assists 0.0.38 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ra_ap_assists 0.0.38 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ra_ap_assists 0.0.38 [INFO] finished tweaking crates.io crate ra_ap_assists 0.0.38 [INFO] tweaked toml for crates.io crate ra_ap_assists 0.0.38 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98e91daa480103513300a05f7f1162d42e721b90388d3d7e7ed17c2eee66c2b7 [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" "98e91daa480103513300a05f7f1162d42e721b90388d3d7e7ed17c2eee66c2b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98e91daa480103513300a05f7f1162d42e721b90388d3d7e7ed17c2eee66c2b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98e91daa480103513300a05f7f1162d42e721b90388d3d7e7ed17c2eee66c2b7", kill_on_drop: false }` [INFO] [stdout] 98e91daa480103513300a05f7f1162d42e721b90388d3d7e7ed17c2eee66c2b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de0cefb1479a1747c5d25b5e4032f3c091251a7eeb4bada521e34a6c80e34d77 [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" "de0cefb1479a1747c5d25b5e4032f3c091251a7eeb4bada521e34a6c80e34d77", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking pin-project-lite v0.2.5 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking always-assert v0.1.2 [INFO] [stderr] Checking ena v0.14.0 [INFO] [stderr] Checking ra_ap_stdx v0.0.38 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling tracing-attributes v0.1.13 [INFO] [stderr] Compiling salsa-macros v0.16.0 [INFO] [stderr] Compiling chalk-derive v0.56.0 [INFO] [stderr] Checking chalk-ir v0.56.0 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking salsa v0.16.0 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking smol_str v0.1.17 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking ra_ap_tt v0.0.38 [INFO] [stderr] Checking ra_ap_cfg v0.0.38 [INFO] [stderr] Checking ra_ap_test_utils v0.0.38 [INFO] [stderr] Checking tracing-subscriber v0.2.16 [INFO] [stderr] Checking ra_ap_syntax v0.0.38 [INFO] [stderr] Checking tracing-tree v0.1.8 [INFO] [stderr] Checking chalk-solve v0.56.0 [INFO] [stderr] Checking ra_ap_mbe v0.0.38 [INFO] [stderr] Checking ra_ap_base_db v0.0.38 [INFO] [stderr] Checking ra_ap_hir_expand v0.0.38 [INFO] [stderr] Checking ra_ap_hir_def v0.0.38 [INFO] [stderr] Checking chalk-recursive v0.56.0 [INFO] [stderr] Checking ra_ap_hir_ty v0.0.38 [INFO] [stderr] Checking ra_ap_hir v0.0.38 [INFO] [stderr] Checking ra_ap_ide_db v0.0.38 [INFO] [stderr] Checking ra_ap_assists v0.0.38 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/handlers/inline_local_variable.rs:73:38 [INFO] [stdout] | [INFO] [stdout] 72 | .map(|&FileReference { range, .. }| { [INFO] [stdout] | ______________________- [INFO] [stdout] 73 | | let usage_node = ctx [INFO] [stdout] | |______________________________________^ [INFO] [stdout] 74 | || .covering_node_for_range(range) [INFO] [stdout] 75 | || .ancestors() [INFO] [stdout] 76 | || .find_map(ast::PathExpr::cast)?; [INFO] [stdout] | ||_______________________________________________________^ cannot use the `?` operator in a closure that returns `std::result::Result` [INFO] [stdout] ... | [INFO] [stdout] 108 | | )) [INFO] [stdout] 109 | | }) [INFO] [stdout] | |_________________- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/handlers/inline_local_variable.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 30 | / pub(crate) fn inline_local_variable(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { [INFO] [stdout] 31 | | let let_stmt = ctx.find_node_at_offset::()?; [INFO] [stdout] 32 | | let bind_pat = match let_stmt.pat()? { [INFO] [stdout] 33 | | ast::Pat::IdentPat(pat) => pat, [INFO] [stdout] ... | [INFO] [stdout] 67 | | let wrap_in_parens = usages [INFO] [stdout] | |__________________________^ [INFO] [stdout] 68 | || .references [INFO] [stdout] 69 | || .iter() [INFO] [stdout] 70 | || .map(|(&file_id, refs)| { [INFO] [stdout] ... || [INFO] [stdout] 112 | || }) [INFO] [stdout] 113 | || .collect::>, _>>()?; [INFO] [stdout] | ||______________________________________________________^ cannot use the `?` operator in a function that returns `std::option::Option<()>` [INFO] [stdout] ... | [INFO] [stdout] 141 | | ) [INFO] [stdout] 142 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::option::Option<()>` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ra_ap_assists` [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] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/handlers/inline_local_variable.rs:73:38 [INFO] [stdout] | [INFO] [stdout] 72 | .map(|&FileReference { range, .. }| { [INFO] [stdout] | ______________________- [INFO] [stdout] 73 | | let usage_node = ctx [INFO] [stdout] | |______________________________________^ [INFO] [stdout] 74 | || .covering_node_for_range(range) [INFO] [stdout] 75 | || .ancestors() [INFO] [stdout] 76 | || .find_map(ast::PathExpr::cast)?; [INFO] [stdout] | ||_______________________________________________________^ cannot use the `?` operator in a closure that returns `std::result::Result` [INFO] [stdout] ... | [INFO] [stdout] 108 | | )) [INFO] [stdout] 109 | | }) [INFO] [stdout] | |_________________- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/handlers/inline_local_variable.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 30 | / pub(crate) fn inline_local_variable(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { [INFO] [stdout] 31 | | let let_stmt = ctx.find_node_at_offset::()?; [INFO] [stdout] 32 | | let bind_pat = match let_stmt.pat()? { [INFO] [stdout] 33 | | ast::Pat::IdentPat(pat) => pat, [INFO] [stdout] ... | [INFO] [stdout] 67 | | let wrap_in_parens = usages [INFO] [stdout] | |__________________________^ [INFO] [stdout] 68 | || .references [INFO] [stdout] 69 | || .iter() [INFO] [stdout] 70 | || .map(|(&file_id, refs)| { [INFO] [stdout] ... || [INFO] [stdout] 112 | || }) [INFO] [stdout] 113 | || .collect::>, _>>()?; [INFO] [stdout] | ||______________________________________________________^ cannot use the `?` operator in a function that returns `std::option::Option<()>` [INFO] [stdout] ... | [INFO] [stdout] 141 | | ) [INFO] [stdout] 142 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::option::Option<()>` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "de0cefb1479a1747c5d25b5e4032f3c091251a7eeb4bada521e34a6c80e34d77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de0cefb1479a1747c5d25b5e4032f3c091251a7eeb4bada521e34a6c80e34d77", kill_on_drop: false }` [INFO] [stdout] de0cefb1479a1747c5d25b5e4032f3c091251a7eeb4bada521e34a6c80e34d77