[INFO] cloning repository https://github.com/smolck/nvim-rpc-plugin-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smolck/nvim-rpc-plugin-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolck%2Fnvim-rpc-plugin-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolck%2Fnvim-rpc-plugin-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c967d5f815b37c75c9a0d8db06ade29e7c36fff5
[INFO] checking smolck/nvim-rpc-plugin-example against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolck%2Fnvim-rpc-plugin-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smolck/nvim-rpc-plugin-example on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smolck/nvim-rpc-plugin-example
[INFO] finished tweaking git repo https://github.com/smolck/nvim-rpc-plugin-example
[INFO] tweaked toml for git repo https://github.com/smolck/nvim-rpc-plugin-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/smolck/nvim-rpc-plugin-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmpv v0.4.7
[INFO] [stderr]   Downloaded nvim-rs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c5db0d25417a3c1a9a292cb65cc1ab7e3907852d77abf5fa32c3b3f85a97d50
[INFO] running `Command { std: "docker" "start" "-a" "1c5db0d25417a3c1a9a292cb65cc1ab7e3907852d77abf5fa32c3b3f85a97d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c5db0d25417a3c1a9a292cb65cc1ab7e3907852d77abf5fa32c3b3f85a97d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5db0d25417a3c1a9a292cb65cc1ab7e3907852d77abf5fa32c3b3f85a97d50", kill_on_drop: false }`
[INFO] [stdout] 1c5db0d25417a3c1a9a292cb65cc1ab7e3907852d77abf5fa32c3b3f85a97d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df6d294940d7529d82cba1c2e3e2834591b1b4ebb2bd49100863d1e3f08704e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2df6d294940d7529d82cba1c2e3e2834591b1b4ebb2bd49100863d1e3f08704e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rmpv v0.4.7
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking nvim-rs v0.2.0
[INFO] [stderr]     Checking colorscheme-changer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.92s
[INFO] running `Command { std: "docker" "inspect" "2df6d294940d7529d82cba1c2e3e2834591b1b4ebb2bd49100863d1e3f08704e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df6d294940d7529d82cba1c2e3e2834591b1b4ebb2bd49100863d1e3f08704e", kill_on_drop: false }`
[INFO] [stdout] 2df6d294940d7529d82cba1c2e3e2834591b1b4ebb2bd49100863d1e3f08704e