[INFO] cloning repository https://github.com/dmrdvn/WhoAmI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmrdvn/WhoAmI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrdvn%2FWhoAmI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrdvn%2FWhoAmI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41ea76e401231dba061e779e8cc64ae4ad3ba83f
[INFO] checking dmrdvn/WhoAmI against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrdvn%2FWhoAmI" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/dmrdvn/WhoAmI 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/dmrdvn/WhoAmI
[INFO] finished tweaking git repo https://github.com/dmrdvn/WhoAmI
[INFO] tweaked toml for git repo https://github.com/dmrdvn/WhoAmI written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dmrdvn/WhoAmI 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7a7dc65c93747a3c071a11bf411697b5de1e8e6be2995fea81398e5ca6307e6d
[INFO] running `Command { std: "docker" "start" "-a" "7a7dc65c93747a3c071a11bf411697b5de1e8e6be2995fea81398e5ca6307e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7dc65c93747a3c071a11bf411697b5de1e8e6be2995fea81398e5ca6307e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7dc65c93747a3c071a11bf411697b5de1e8e6be2995fea81398e5ca6307e6d", kill_on_drop: false }`
[INFO] [stdout] 7a7dc65c93747a3c071a11bf411697b5de1e8e6be2995fea81398e5ca6307e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ff03523ce80e100540bcf2934039cb1e343f3ae36c3de5c77b642c080cc5b44d
[INFO] running `Command { std: "docker" "start" "-a" "ff03523ce80e100540bcf2934039cb1e343f3ae36c3de5c77b642c080cc5b44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling string_cache v0.8.2
[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" "ff03523ce80e100540bcf2934039cb1e343f3ae36c3de5c77b642c080cc5b44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff03523ce80e100540bcf2934039cb1e343f3ae36c3de5c77b642c080cc5b44d", kill_on_drop: false }`
[INFO] [stdout] ff03523ce80e100540bcf2934039cb1e343f3ae36c3de5c77b642c080cc5b44d