[INFO] fetching crate veritas 0.0.0... [INFO] checking veritas-0.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] extracting crate veritas 0.0.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate veritas 0.0.0 on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate veritas 0.0.0 [INFO] finished tweaking crates.io crate veritas 0.0.0 [INFO] tweaked toml for crates.io crate veritas 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding console v0.13.0 (available: v0.15.11) [INFO] [stderr] Adding derive-new v0.5.9 (available: v0.7.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.9.0) [INFO] [stderr] Adding itertools v0.9.0 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29a35ccb3619a676b99667b5ca2f5558a0643fc2ff6876f53f87e946e1c5bacc [INFO] running `Command { std: "docker" "start" "-a" "29a35ccb3619a676b99667b5ca2f5558a0643fc2ff6876f53f87e946e1c5bacc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29a35ccb3619a676b99667b5ca2f5558a0643fc2ff6876f53f87e946e1c5bacc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29a35ccb3619a676b99667b5ca2f5558a0643fc2ff6876f53f87e946e1c5bacc", kill_on_drop: false }` [INFO] [stdout] 29a35ccb3619a676b99667b5ca2f5558a0643fc2ff6876f53f87e946e1c5bacc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 386ea71c56bef8fcfbf90b59d928760ead62602a86b49bb2c34fe4d99a76e455 [INFO] running `Command { std: "docker" "start" "-a" "386ea71c56bef8fcfbf90b59d928760ead62602a86b49bb2c34fe4d99a76e455", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking format-core v0.2.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling format-macro v0.2.4 [INFO] [stderr] Compiling syn v2.0.102 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking dissimilar v1.0.10 [INFO] [stderr] Checking format v0.2.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking pretty v0.10.0 [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] | | -------- temporary value created here [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] 1321 | | Doc::Fail => &Doc::Fail, [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1324 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" "))) [INFO] [stdout] | | ----------------------------------------------------------------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1324 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" "))) [INFO] [stdout] | | ---------------------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1324 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::BorrowedText(" "))) [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1328 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)) [INFO] [stdout] | | --------------------------------------------------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1328 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)) [INFO] [stdout] | | -------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1328 | | &Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)) [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1332 | | &Doc::Group(RefDoc(&Doc::FlatAlt( [INFO] [stdout] | | __________________- [INFO] [stdout] 1333 | || RefDoc(&Doc::Line), [INFO] [stdout] 1334 | || RefDoc(&Doc::BorrowedText(" ")), [INFO] [stdout] 1335 | || ))) [INFO] [stdout] | ||___________________- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |___________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1332 | | &Doc::Group(RefDoc(&Doc::FlatAlt( [INFO] [stdout] | | _____________________________________- [INFO] [stdout] 1333 | || RefDoc(&Doc::Line), [INFO] [stdout] 1334 | || RefDoc(&Doc::BorrowedText(" ")), [INFO] [stdout] 1335 | || ))) [INFO] [stdout] | ||_________________- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |___________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1334 | | RefDoc(&Doc::BorrowedText(" ")), [INFO] [stdout] | | ---------------------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1333 | | RefDoc(&Doc::Line), [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] ... | [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1339 | | &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)))) [INFO] [stdout] | | ------------------------------------------------------------------------ temporary value created here [INFO] [stdout] 1340 | | } [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1339 | | &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)))) [INFO] [stdout] | | --------------------------------------------------- temporary value created here [INFO] [stdout] 1340 | | } [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1339 | | &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)))) [INFO] [stdout] | | -------- temporary value created here [INFO] [stdout] 1340 | | } [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pretty-0.10.0/src/lib.rs:1317:9 [INFO] [stdout] | [INFO] [stdout] 1317 | / RefDoc(match doc { [INFO] [stdout] 1318 | | // Return 'static references for common variants to avoid some allocations [INFO] [stdout] 1319 | | Doc::Nil => &Doc::Nil, [INFO] [stdout] 1320 | | Doc::Line => &Doc::Line, [INFO] [stdout] ... | [INFO] [stdout] 1339 | | &Doc::Group(RefDoc(&Doc::FlatAlt(RefDoc(&Doc::Line), RefDoc(&Doc::Nil)))) [INFO] [stdout] | | --------- temporary value created here [INFO] [stdout] 1340 | | } [INFO] [stdout] 1341 | | _ => self.docs.alloc(doc), [INFO] [stdout] 1342 | | }) [INFO] [stdout] | |__________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pretty` (lib) due to 17 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "386ea71c56bef8fcfbf90b59d928760ead62602a86b49bb2c34fe4d99a76e455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "386ea71c56bef8fcfbf90b59d928760ead62602a86b49bb2c34fe4d99a76e455", kill_on_drop: false }` [INFO] [stdout] 386ea71c56bef8fcfbf90b59d928760ead62602a86b49bb2c34fe4d99a76e455