[INFO] cloning repository https://github.com/MnlPhlp/cycle-menu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MnlPhlp/cycle-menu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnlPhlp%2Fcycle-menu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnlPhlp%2Fcycle-menu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a02f870ac9ab6810307e58eafd7c7ca9a20d75a
[INFO] checking MnlPhlp/cycle-menu against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnlPhlp%2Fcycle-menu" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MnlPhlp/cycle-menu 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/MnlPhlp/cycle-menu
[INFO] finished tweaking git repo https://github.com/MnlPhlp/cycle-menu
[INFO] tweaked toml for git repo https://github.com/MnlPhlp/cycle-menu written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MnlPhlp/cycle-menu 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 25b0fb31a5b833f7ac0e28f2551acd56b48354e6a531ad535279eb6d0560d890
[INFO] running `Command { std: "docker" "start" "-a" "25b0fb31a5b833f7ac0e28f2551acd56b48354e6a531ad535279eb6d0560d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b0fb31a5b833f7ac0e28f2551acd56b48354e6a531ad535279eb6d0560d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b0fb31a5b833f7ac0e28f2551acd56b48354e6a531ad535279eb6d0560d890", kill_on_drop: false }`
[INFO] [stdout] 25b0fb31a5b833f7ac0e28f2551acd56b48354e6a531ad535279eb6d0560d890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e8527eea326430dacbf6e8d4eb1a34890fda4b3c38b08d80197d1a5cdb2650ac
[INFO] running `Command { std: "docker" "start" "-a" "e8527eea326430dacbf6e8d4eb1a34890fda4b3c38b08d80197d1a5cdb2650ac", kill_on_drop: false }`
[INFO] [stderr]     Checking cycle-menu v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "e8527eea326430dacbf6e8d4eb1a34890fda4b3c38b08d80197d1a5cdb2650ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8527eea326430dacbf6e8d4eb1a34890fda4b3c38b08d80197d1a5cdb2650ac", kill_on_drop: false }`
[INFO] [stdout] e8527eea326430dacbf6e8d4eb1a34890fda4b3c38b08d80197d1a5cdb2650ac
[INFO] checking MnlPhlp/cycle-menu against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnlPhlp%2Fcycle-menu" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MnlPhlp/cycle-menu 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/MnlPhlp/cycle-menu
[INFO] finished tweaking git repo https://github.com/MnlPhlp/cycle-menu
[INFO] tweaked toml for git repo https://github.com/MnlPhlp/cycle-menu written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MnlPhlp/cycle-menu 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0164f96e095ef16441256656933a176820a233b136a15bca18d60710a15744e0
[INFO] running `Command { std: "docker" "start" "-a" "0164f96e095ef16441256656933a176820a233b136a15bca18d60710a15744e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0164f96e095ef16441256656933a176820a233b136a15bca18d60710a15744e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0164f96e095ef16441256656933a176820a233b136a15bca18d60710a15744e0", kill_on_drop: false }`
[INFO] [stdout] 0164f96e095ef16441256656933a176820a233b136a15bca18d60710a15744e0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5cbe8fdcf51871fc2007ad83efe8128c921fa73e07239c0f20b0c030949d0b4
[INFO] running `Command { std: "docker" "start" "-a" "a5cbe8fdcf51871fc2007ad83efe8128c921fa73e07239c0f20b0c030949d0b4", kill_on_drop: false }`
[INFO] [stderr]     Checking cycle-menu v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]   --> src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             &Item::Back
[INFO] [stdout]    |             ^----------
[INFO] [stdout]    |             ||
[INFO] [stdout]    |             |temporary value created here
[INFO] [stdout]    |             returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]   --> src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             &Item::Back
[INFO] [stdout]    |             ^----------
[INFO] [stdout]    |             ||
[INFO] [stdout]    |             |temporary value created here
[INFO] [stdout]    |             returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cycle-menu` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cycle-menu` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a5cbe8fdcf51871fc2007ad83efe8128c921fa73e07239c0f20b0c030949d0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cbe8fdcf51871fc2007ad83efe8128c921fa73e07239c0f20b0c030949d0b4", kill_on_drop: false }`
[INFO] [stdout] a5cbe8fdcf51871fc2007ad83efe8128c921fa73e07239c0f20b0c030949d0b4