[INFO] cloning repository https://github.com/rschifflin/rust-pubsub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rschifflin/rust-pubsub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-pubsub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-pubsub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b07e4f397f298b5bfc7e977b2a18db0a64d010e1
[INFO] testing rschifflin/rust-pubsub against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschifflin%2Frust-pubsub" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rschifflin/rust-pubsub on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rschifflin/rust-pubsub
[INFO] finished tweaking git repo https://github.com/rschifflin/rust-pubsub
[INFO] tweaked toml for git repo https://github.com/rschifflin/rust-pubsub written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rschifflin/rust-pubsub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e26443870ea9c2967177bba4a40f097e417eb2155c6fd256cc56b1ec3ce93f9
[INFO] running `Command { std: "docker" "start" "-a" "9e26443870ea9c2967177bba4a40f097e417eb2155c6fd256cc56b1ec3ce93f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e26443870ea9c2967177bba4a40f097e417eb2155c6fd256cc56b1ec3ce93f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e26443870ea9c2967177bba4a40f097e417eb2155c6fd256cc56b1ec3ce93f9", kill_on_drop: false }`
[INFO] [stdout] 9e26443870ea9c2967177bba4a40f097e417eb2155c6fd256cc56b1ec3ce93f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cee7e4cc4d0477e6459146b0c2d7309a17c6879c4c2e1b3398500f373bfcdb8
[INFO] running `Command { std: "docker" "start" "-a" "8cee7e4cc4d0477e6459146b0c2d7309a17c6879c4c2e1b3398500f373bfcdb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pubsub v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: cannot add `&[Event<Channel, Payload>]` to `Vec<Event<Channel, Payload>>`
[INFO] [stdout]   --> src/lib.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.event_queue = head + &*tail;
[INFO] [stdout]    |                            ---- ^ ------ &[Event<Channel, Payload>]
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            Vec<Event<Channel, Payload>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pubsub` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8cee7e4cc4d0477e6459146b0c2d7309a17c6879c4c2e1b3398500f373bfcdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cee7e4cc4d0477e6459146b0c2d7309a17c6879c4c2e1b3398500f373bfcdb8", kill_on_drop: false }`
[INFO] [stdout] 8cee7e4cc4d0477e6459146b0c2d7309a17c6879c4c2e1b3398500f373bfcdb8