[INFO] cloning repository https://github.com/mhuesch/poly-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhuesch/poly-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhuesch%2Fpoly-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhuesch%2Fpoly-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec4c707e9f02be0b967964b7d9615a81744c299f [INFO] checking mhuesch/poly-rs against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhuesch%2Fpoly-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhuesch/poly-rs on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mhuesch/poly-rs [INFO] finished tweaking git repo https://github.com/mhuesch/poly-rs [INFO] tweaked toml for git repo https://github.com/mhuesch/poly-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mhuesch/poly-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck_macros v0.9.1 [INFO] [stderr] Downloaded dirs-next v1.0.2 [INFO] [stderr] Downloaded dirs-sys-next v0.1.1 [INFO] [stderr] Downloaded utf8parse v0.2.0 [INFO] [stderr] Downloaded pin-project-lite v0.1.10 [INFO] [stderr] Downloaded pretty v0.10.0 [INFO] [stderr] Downloaded quickcheck v0.9.2 [INFO] [stderr] Downloaded cc v1.0.61 [INFO] [stderr] Downloaded rustyline v6.3.0 [INFO] [stderr] Downloaded combine v4.3.2 [INFO] [stderr] Downloaded nix v0.18.0 [INFO] [stderr] Downloaded regex-syntax v0.6.20 [INFO] [stderr] Downloaded regex v1.4.1 [INFO] [stderr] Downloaded libc v0.2.79 [INFO] [stderr] Downloaded syn v1.0.44 [INFO] [stderr] Downloaded aho-corasick v0.7.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06b0232b96839778b64a0cdddbc93bf51844e06b061e879371806193c8b280b3 [INFO] running `Command { std: "docker" "start" "-a" "06b0232b96839778b64a0cdddbc93bf51844e06b061e879371806193c8b280b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06b0232b96839778b64a0cdddbc93bf51844e06b061e879371806193c8b280b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b0232b96839778b64a0cdddbc93bf51844e06b061e879371806193c8b280b3", kill_on_drop: false }` [INFO] [stdout] 06b0232b96839778b64a0cdddbc93bf51844e06b061e879371806193c8b280b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4094e83054b9aa9a46534785638e6ddf646b0b96fc4f6497d326ad46434f8d0 [INFO] running `Command { std: "docker" "start" "-a" "e4094e83054b9aa9a46534785638e6ddf646b0b96fc4f6497d326ad46434f8d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.10 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Checking pretty v0.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking aho-corasick v0.7.14 [INFO] [stderr] Checking combine v4.3.2 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking dirs-next v1.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking rustyline v6.3.0 [INFO] [stderr] Checking poly v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s [INFO] running `Command { std: "docker" "inspect" "e4094e83054b9aa9a46534785638e6ddf646b0b96fc4f6497d326ad46434f8d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4094e83054b9aa9a46534785638e6ddf646b0b96fc4f6497d326ad46434f8d0", kill_on_drop: false }` [INFO] [stdout] e4094e83054b9aa9a46534785638e6ddf646b0b96fc4f6497d326ad46434f8d0 [INFO] checking mhuesch/poly-rs against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhuesch%2Fpoly-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhuesch/poly-rs on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mhuesch/poly-rs [INFO] finished tweaking git repo https://github.com/mhuesch/poly-rs [INFO] tweaked toml for git repo https://github.com/mhuesch/poly-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mhuesch/poly-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1b77cd0628000b08afa2117b442e56f8cda9c8e46cec20988ec2ae2a37aae58 [INFO] running `Command { std: "docker" "start" "-a" "c1b77cd0628000b08afa2117b442e56f8cda9c8e46cec20988ec2ae2a37aae58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1b77cd0628000b08afa2117b442e56f8cda9c8e46cec20988ec2ae2a37aae58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1b77cd0628000b08afa2117b442e56f8cda9c8e46cec20988ec2ae2a37aae58", kill_on_drop: false }` [INFO] [stdout] c1b77cd0628000b08afa2117b442e56f8cda9c8e46cec20988ec2ae2a37aae58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42ebbb1406ef11e26bbf953303e20437de34e93f30edc2b686d28820cb9b4921 [INFO] running `Command { std: "docker" "start" "-a" "42ebbb1406ef11e26bbf953303e20437de34e93f30edc2b686d28820cb9b4921", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Checking pin-project-lite v0.1.10 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Checking pretty v0.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking aho-corasick v0.7.14 [INFO] [stderr] Checking combine v4.3.2 [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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: aborting due to 17 previous errors [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 18 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "42ebbb1406ef11e26bbf953303e20437de34e93f30edc2b686d28820cb9b4921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42ebbb1406ef11e26bbf953303e20437de34e93f30edc2b686d28820cb9b4921", kill_on_drop: false }` [INFO] [stdout] 42ebbb1406ef11e26bbf953303e20437de34e93f30edc2b686d28820cb9b4921