[INFO] cloning repository https://github.com/omnia-network/ic_websocket_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omnia-network/ic_websocket_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomnia-network%2Fic_websocket_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomnia-network%2Fic_websocket_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b017614a35530687a8908c105eaf81a8228fc078
[INFO] checking omnia-network/ic_websocket_example against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomnia-network%2Fic_websocket_example" "/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/omnia-network/ic_websocket_example 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/omnia-network/ic_websocket_example
[INFO] finished tweaking git repo https://github.com/omnia-network/ic_websocket_example
[INFO] tweaked toml for git repo https://github.com/omnia-network/ic_websocket_example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/omnia-network/ic_websocket_example 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 ic-cdk-timers v0.6.0
[INFO] [stderr]   Downloaded ic-websocket-cdk v0.3.4
[INFO] [stderr]   Downloaded candid_derive v0.6.5
[INFO] [stderr]   Downloaded candid v0.10.3
[INFO] [stderr]   Downloaded ic-certified-map v0.4.0
[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] 568cb5c4a1c38ecfa7c3d227a3546b7d494ac3728bbb9904fd1e7b6b55436d92
[INFO] running `Command { std: "docker" "start" "-a" "568cb5c4a1c38ecfa7c3d227a3546b7d494ac3728bbb9904fd1e7b6b55436d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568cb5c4a1c38ecfa7c3d227a3546b7d494ac3728bbb9904fd1e7b6b55436d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568cb5c4a1c38ecfa7c3d227a3546b7d494ac3728bbb9904fd1e7b6b55436d92", kill_on_drop: false }`
[INFO] [stdout] 568cb5c4a1c38ecfa7c3d227a3546b7d494ac3728bbb9904fd1e7b6b55436d92
[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] c551c2afad54ed20991018e083fc1a67cccd0b352ed2c44cd5a6a54436c17f41
[INFO] running `Command { std: "docker" "start" "-a" "c551c2afad54ed20991018e083fc1a67cccd0b352ed2c44cd5a6a54436c17f41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking ic0 v0.21.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling candid_derive v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking ic-certified-map v0.4.0
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]     Checking candid v0.10.3
[INFO] [stderr]    Compiling ic-cdk-macros v0.8.4
[INFO] [stderr]     Checking ic-cdk v0.12.1
[INFO] [stderr]     Checking ic-cdk-timers v0.6.0
[INFO] [stderr]     Checking ic-websocket-cdk v0.3.4
[INFO] [stderr]     Checking ic_websocket_example_backend v0.1.0 (/opt/rustwide/workdir/src/ic_websocket_example_backend)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `Command { std: "docker" "inspect" "c551c2afad54ed20991018e083fc1a67cccd0b352ed2c44cd5a6a54436c17f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c551c2afad54ed20991018e083fc1a67cccd0b352ed2c44cd5a6a54436c17f41", kill_on_drop: false }`
[INFO] [stdout] c551c2afad54ed20991018e083fc1a67cccd0b352ed2c44cd5a6a54436c17f41
[INFO] checking omnia-network/ic_websocket_example against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomnia-network%2Fic_websocket_example" "/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/omnia-network/ic_websocket_example 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/omnia-network/ic_websocket_example
[INFO] finished tweaking git repo https://github.com/omnia-network/ic_websocket_example
[INFO] tweaked toml for git repo https://github.com/omnia-network/ic_websocket_example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/omnia-network/ic_websocket_example 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] edbbacf2de2b8cd8825abd95024a92052b546b6e4fc4d63b7f23ab6545d29ba1
[INFO] running `Command { std: "docker" "start" "-a" "edbbacf2de2b8cd8825abd95024a92052b546b6e4fc4d63b7f23ab6545d29ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbbacf2de2b8cd8825abd95024a92052b546b6e4fc4d63b7f23ab6545d29ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbbacf2de2b8cd8825abd95024a92052b546b6e4fc4d63b7f23ab6545d29ba1", kill_on_drop: false }`
[INFO] [stdout] edbbacf2de2b8cd8825abd95024a92052b546b6e4fc4d63b7f23ab6545d29ba1
[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] 5ba1954ead8a55ffa1e37bd26383f2f9f2cea1281e8f0a4ad4b902135f52aa74
[INFO] running `Command { std: "docker" "start" "-a" "5ba1954ead8a55ffa1e37bd26383f2f9f2cea1281e8f0a4ad4b902135f52aa74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pretty-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout]      | |                          -------- temporary value created here
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout]      | |                               ------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] 1683 | |             Doc::Fail => &Doc::Fail,
[INFO] [stdout]      | |                           --------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1686 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                  --------------------------------------------------------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1686 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                                                               ---------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1686 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::BorrowedText(" ")))
[INFO] [stdout]      | |                                       ------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1690 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                  ------------------------------------------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1690 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                                                               -------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1690 | |                 &Doc::FlatAlt(RefDoc(&Doc::Hardline), RefDoc(&Doc::Nil))
[INFO] [stdout]      | |                                       ------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /          RefDoc(match doc {
[INFO] [stdout] 1680 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |              Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1696 | |              ))) => &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | _____________________-
[INFO] [stdout] 1697 | ||                 RefDoc(&Doc::Hardline),
[INFO] [stdout] 1698 | ||                 RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout] 1699 | ||             ))),
[INFO] [stdout]      | ||_______________- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |          })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /          RefDoc(match doc {
[INFO] [stdout] 1680 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |              Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1696 | |              ))) => &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | ________________________________________-
[INFO] [stdout] 1697 | ||                 RefDoc(&Doc::Hardline),
[INFO] [stdout] 1698 | ||                 RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout] 1699 | ||             ))),
[INFO] [stdout]      | ||_____________- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |          })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1698 | |                 RefDoc(&Doc::BorrowedText(" ")),
[INFO] [stdout]      | |                         ---------------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1697 | |                 RefDoc(&Doc::Hardline),
[INFO] [stdout]      | |                         ------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /          RefDoc(match doc {
[INFO] [stdout] 1680 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |              Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1702 | |                  &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | __________________-
[INFO] [stdout] 1703 | ||                     RefDoc(&Doc::Hardline),
[INFO] [stdout] 1704 | ||                     RefDoc(&Doc::Nil),
[INFO] [stdout] 1705 | ||                 )))
[INFO] [stdout]      | ||___________________- temporary value created here
[INFO] [stdout] 1706 | |              }
[INFO] [stdout] 1707 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |          })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /          RefDoc(match doc {
[INFO] [stdout] 1680 | |              // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |              Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |              Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1702 | |                  &Doc::Group(RefDoc(&Doc::FlatAlt(
[INFO] [stdout]      | | _____________________________________-
[INFO] [stdout] 1703 | ||                     RefDoc(&Doc::Hardline),
[INFO] [stdout] 1704 | ||                     RefDoc(&Doc::Nil),
[INFO] [stdout] 1705 | ||                 )))
[INFO] [stdout]      | ||_________________- temporary value created here
[INFO] [stdout] 1706 | |              }
[INFO] [stdout] 1707 | |              _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |          })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1704 | |                     RefDoc(&Doc::Nil),
[INFO] [stdout]      | |                             -------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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-0.12.3/src/lib.rs:1679:9
[INFO] [stdout]      |
[INFO] [stdout] 1679 | /         RefDoc(match doc {
[INFO] [stdout] 1680 | |             // Return 'static references for common variants to avoid some allocations
[INFO] [stdout] 1681 | |             Doc::Nil => &Doc::Nil,
[INFO] [stdout] 1682 | |             Doc::Hardline => &Doc::Hardline,
[INFO] [stdout] ...    |
[INFO] [stdout] 1703 | |                     RefDoc(&Doc::Hardline),
[INFO] [stdout]      | |                             ------------- temporary value created here
[INFO] [stdout] ...    |
[INFO] [stdout] 1707 | |             _ => self.docs.alloc(doc),
[INFO] [stdout] 1708 | |         })
[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" "5ba1954ead8a55ffa1e37bd26383f2f9f2cea1281e8f0a4ad4b902135f52aa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba1954ead8a55ffa1e37bd26383f2f9f2cea1281e8f0a4ad4b902135f52aa74", kill_on_drop: false }`
[INFO] [stdout] 5ba1954ead8a55ffa1e37bd26383f2f9f2cea1281e8f0a4ad4b902135f52aa74