[INFO] cloning repository https://github.com/frankstien10/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankstien10/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankstien10%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankstien10%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6748feacc352db6cbcba77e98d59fab3cb26d0d
[INFO] testing frankstien10/playground against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankstien10%2Fplayground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frankstien10/playground on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frankstien10/playground
[INFO] finished tweaking git repo https://github.com/frankstien10/playground
[INFO] tweaked toml for git repo https://github.com/frankstien10/playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frankstien10/playground 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b942b3833d5e11f2b6731bb5893792aaec25e15946db2bf1bf3dd23026661226
[INFO] running `Command { std: "docker" "start" "-a" "b942b3833d5e11f2b6731bb5893792aaec25e15946db2bf1bf3dd23026661226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b942b3833d5e11f2b6731bb5893792aaec25e15946db2bf1bf3dd23026661226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942b3833d5e11f2b6731bb5893792aaec25e15946db2bf1bf3dd23026661226", kill_on_drop: false }`
[INFO] [stdout] b942b3833d5e11f2b6731bb5893792aaec25e15946db2bf1bf3dd23026661226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92a829c03daeb24bbd331fbe26b3dc150f3950349b2dfc056c7394dcebccf53
[INFO] running `Command { std: "docker" "start" "-a" "a92a829c03daeb24bbd331fbe26b3dc150f3950349b2dfc056c7394dcebccf53", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/list.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ptr: Arc<Mutex<&List<T>>>
[INFO] [stdout]   |                    ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 ~ struct List<'a, T>{
[INFO] [stdout] 4 |     data: T,
[INFO] [stdout] 5 ~     ptr: Arc<Mutex<&'a List<T>>>
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground` (bin "playground") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a92a829c03daeb24bbd331fbe26b3dc150f3950349b2dfc056c7394dcebccf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92a829c03daeb24bbd331fbe26b3dc150f3950349b2dfc056c7394dcebccf53", kill_on_drop: false }`
[INFO] [stdout] a92a829c03daeb24bbd331fbe26b3dc150f3950349b2dfc056c7394dcebccf53