[INFO] fetching crate exc-symbol 0.7.0-alpha.0... [INFO] checking exc-symbol-0.7.0-alpha.0 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] extracting crate exc-symbol 0.7.0-alpha.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate exc-symbol 0.7.0-alpha.0 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate exc-symbol 0.7.0-alpha.0 [INFO] finished tweaking crates.io crate exc-symbol 0.7.0-alpha.0 [INFO] tweaked toml for crates.io crate exc-symbol 0.7.0-alpha.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smol_str v0.1.24 [INFO] [stderr] Downloaded positions v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe5875447671fa434a0dbcca7b9aae17ada89a3c8bf18c111e5a509249c0a347 [INFO] running `Command { std: "docker" "start" "-a" "fe5875447671fa434a0dbcca7b9aae17ada89a3c8bf18c111e5a509249c0a347", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe5875447671fa434a0dbcca7b9aae17ada89a3c8bf18c111e5a509249c0a347", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe5875447671fa434a0dbcca7b9aae17ada89a3c8bf18c111e5a509249c0a347", kill_on_drop: false }` [INFO] [stdout] fe5875447671fa434a0dbcca7b9aae17ada89a3c8bf18c111e5a509249c0a347 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89401e756be397243c51dd08a27061b54a091e03165b391daee633f58cd90fb5 [INFO] running `Command { std: "docker" "start" "-a" "89401e756be397243c51dd08a27061b54a091e03165b391daee633f58cd90fb5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling rust_decimal v1.34.2 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking ahash v0.8.7 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling rust_decimal_macros v1.34.2 [INFO] [stderr] Checking smol_str v0.1.24 [INFO] [stderr] Checking positions v0.2.1 [INFO] [stderr] Checking exc-symbol v0.7.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:43:23 [INFO] [stdout] | [INFO] [stdout] 43 | pub const MARGIN: &str = ""; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 43 | pub const MARGIN: &'static str = ""; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | pub const FUTURES: &str = "F"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 45 | pub const FUTURES: &'static str = "F"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:47:26 [INFO] [stdout] | [INFO] [stdout] 47 | pub const PERPETUAL: &str = "P"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 47 | pub const PERPETUAL: &'static str = "P"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | pub const OPTIONS: &str = "O"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 49 | pub const OPTIONS: &'static str = "O"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:51:20 [INFO] [stdout] | [INFO] [stdout] 51 | pub const PUT: &str = "P"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 51 | pub const PUT: &'static str = "P"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | pub const CALL: &str = "C"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 53 | pub const CALL: &'static str = "C"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:43:23 [INFO] [stdout] | [INFO] [stdout] 43 | pub const MARGIN: &str = ""; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 43 | pub const MARGIN: &'static str = ""; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | pub const FUTURES: &str = "F"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 45 | pub const FUTURES: &'static str = "F"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:47:26 [INFO] [stdout] | [INFO] [stdout] 47 | pub const PERPETUAL: &str = "P"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 47 | pub const PERPETUAL: &'static str = "P"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | pub const OPTIONS: &str = "O"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 49 | pub const OPTIONS: &'static str = "O"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:51:20 [INFO] [stdout] | [INFO] [stdout] 51 | pub const PUT: &str = "P"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 51 | pub const PUT: &'static str = "P"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here [INFO] [stdout] --> src/lib.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | pub const CALL: &str = "C"; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #115010 [INFO] [stdout] help: use the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 53 | pub const CALL: &'static str = "C"; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.99s [INFO] running `Command { std: "docker" "inspect" "89401e756be397243c51dd08a27061b54a091e03165b391daee633f58cd90fb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89401e756be397243c51dd08a27061b54a091e03165b391daee633f58cd90fb5", kill_on_drop: false }` [INFO] [stdout] 89401e756be397243c51dd08a27061b54a091e03165b391daee633f58cd90fb5 [INFO] checking exc-symbol-0.7.0-alpha.0 against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] extracting crate exc-symbol 0.7.0-alpha.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate exc-symbol 0.7.0-alpha.0 on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate exc-symbol 0.7.0-alpha.0 [INFO] finished tweaking crates.io crate exc-symbol 0.7.0-alpha.0 [INFO] tweaked toml for crates.io crate exc-symbol 0.7.0-alpha.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e19be2290d5b0f0d3e636298ba18616afdcfe10c145e3e814577b68b2b745c45 [INFO] running `Command { std: "docker" "start" "-a" "e19be2290d5b0f0d3e636298ba18616afdcfe10c145e3e814577b68b2b745c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e19be2290d5b0f0d3e636298ba18616afdcfe10c145e3e814577b68b2b745c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e19be2290d5b0f0d3e636298ba18616afdcfe10c145e3e814577b68b2b745c45", kill_on_drop: false }` [INFO] [stdout] e19be2290d5b0f0d3e636298ba18616afdcfe10c145e3e814577b68b2b745c45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25056cf733116db52849fb288e1f1ad310b66b869bca2bd40114b3fcfbfb8e9c [INFO] running `Command { std: "docker" "start" "-a" "25056cf733116db52849fb288e1f1ad310b66b869bca2bd40114b3fcfbfb8e9c", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rust_decimal v1.34.2 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Checking ahash v0.8.7 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling rust_decimal_macros v1.34.2 [INFO] [stderr] Checking smol_str v0.1.24 [INFO] [stderr] Checking positions v0.2.1 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/positions-0.2.1/src/tree.rs:20:54 [INFO] [stdout] | [INFO] [stdout] 20 | Box::new(self.children.values().flat_map(|t| t.instruments())); [INFO] [stdout] | -------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: IntoIterator` [INFO] [stdout] note: required by a bound in `flat_map` [INFO] [stdout] --> /rustc/9b9e20bc79549d80ab413f49d990713851172cc1/library/core/src/iter/traits/iterator.rs:1503:5 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 20 | Box::new(self.children.values().flat_map(|t| -> /* Type */ { t.instruments() })); [INFO] [stdout] | +++++++++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/positions-0.2.1/src/tree.rs:18:68 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn instruments(&self) -> impl Iterator { [INFO] [stdout] | ____________________________________________________________________^ [INFO] [stdout] 19 | | let children: Box> = [INFO] [stdout] 20 | | Box::new(self.children.values().flat_map(|t| t.instruments())); [INFO] [stdout] 21 | | let pairs = self.children.keys(); [INFO] [stdout] 22 | | let positions = self.positions.keys().copied(); [INFO] [stdout] 23 | | children.chain(pairs).chain(positions) [INFO] [stdout] 24 | | } [INFO] [stdout] | |_____^ expected `{type error}`, got `std::iter::Chain>, std::collections::hash_map::Keys<'_, Instrument, PositionTree<'_, T>>>, Copied>>>` [INFO] [stdout] | [INFO] [stdout] note: previous use here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/positions-0.2.1/src/tree.rs:20:60 [INFO] [stdout] | [INFO] [stdout] 20 | Box::new(self.children.values().flat_map(|t| t.instruments())); [INFO] [stdout] | ^^^^^^^^^^^ [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 E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `positions` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "25056cf733116db52849fb288e1f1ad310b66b869bca2bd40114b3fcfbfb8e9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25056cf733116db52849fb288e1f1ad310b66b869bca2bd40114b3fcfbfb8e9c", kill_on_drop: false }` [INFO] [stdout] 25056cf733116db52849fb288e1f1ad310b66b869bca2bd40114b3fcfbfb8e9c