[INFO] cloning repository https://github.com/Rasphino/raft-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rasphino/raft-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasphino%2Fraft-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasphino%2Fraft-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25f9a8712902fe3b68043e21c6a66cb18e1e792f [INFO] checking Rasphino/raft-demo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasphino%2Fraft-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Rasphino/raft-demo on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Rasphino/raft-demo [INFO] finished tweaking git repo https://github.com/Rasphino/raft-demo [INFO] tweaked toml for git repo https://github.com/Rasphino/raft-demo written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Rasphino/raft-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded tracing-futures v0.2.4 [INFO] [stderr] Downloaded tracing v0.1.22 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded derive_more v0.99.11 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded signal-hook-registry v1.2.2 [INFO] [stderr] Downloaded tower v0.3.1 [INFO] [stderr] Downloaded tower-buffer v0.3.0 [INFO] [stderr] Downloaded hyper v0.13.9 [INFO] [stderr] Downloaded serde_json v1.0.60 [INFO] [stderr] Downloaded tower-timeout v0.3.0 [INFO] [stderr] Downloaded futures v0.3.8 [INFO] [stderr] Downloaded percent-encoding v2.1.0 [INFO] [stderr] Downloaded async-raft v0.5.5 [INFO] [stderr] Downloaded blake2b_simd v0.5.11 [INFO] [stderr] Downloaded serde_derive v1.0.118 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded fixedbitset v0.2.0 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.19 [INFO] [stderr] Downloaded time v0.1.44 [INFO] [stderr] Downloaded pin-project-internal v1.0.2 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded num_cpus v1.13.0 [INFO] [stderr] Downloaded hashbrown v0.9.1 [INFO] [stderr] Downloaded thiserror-impl v1.0.22 [INFO] [stderr] Downloaded slog-async v2.5.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded httpdate v0.3.2 [INFO] [stderr] Downloaded try-lock v0.2.3 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded base64 v0.13.0 [INFO] [stderr] Downloaded futures-executor v0.3.8 [INFO] [stderr] Downloaded tower-load v0.3.0 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded net2 v0.2.36 [INFO] [stderr] Downloaded take_mut v0.2.2 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded winapi v0.3.9 [INFO] [stderr] Downloaded remove_dir_all v0.5.3 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded chrono v0.4.19 [INFO] [stderr] Downloaded futures-sink v0.3.8 [INFO] [stderr] Downloaded mio v0.6.23 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded tower-discover v0.3.0 [INFO] [stderr] Downloaded tokio-macros v0.2.6 [INFO] [stderr] Downloaded either v1.6.1 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded h2 v0.2.7 [INFO] [stderr] Downloaded thiserror v1.0.22 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded pin-utils v0.1.0 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded tokio v0.2.23 [INFO] [stderr] Downloaded slog v2.7.0 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded slog-term v2.6.0 [INFO] [stderr] Downloaded arrayvec v0.5.2 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded atty v0.2.14 [INFO] [stderr] Downloaded num-integer v0.1.44 [INFO] [stderr] Downloaded once_cell v1.5.2 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded base64 v0.12.3 [INFO] [stderr] Downloaded memstore v0.1.0 [INFO] [stderr] Downloaded async-stream v0.2.1 [INFO] [stderr] Downloaded petgraph v0.5.1 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded async-trait v0.1.42 [INFO] [stderr] Downloaded tracing-core v0.1.17 [INFO] [stderr] Downloaded prost-build v0.6.1 [INFO] [stderr] Downloaded wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded anyhow v1.0.35 [INFO] [stderr] Downloaded prost-types v0.6.1 [INFO] [stderr] Downloaded rand_pcg v0.2.1 [INFO] [stderr] Downloaded futures-util v0.3.8 [INFO] [stderr] Downloaded socket2 v0.3.17 [INFO] [stderr] Downloaded term v0.6.1 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded pin-project v1.0.2 [INFO] [stderr] Downloaded miow v0.3.6 [INFO] [stderr] Downloaded http-body v0.3.1 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded multimap v0.8.2 [INFO] [stderr] Downloaded tower-ready-cache v0.3.1 [INFO] [stderr] Downloaded http v0.2.1 [INFO] [stderr] Downloaded want v0.3.0 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded pin-project-lite v0.1.11 [INFO] [stderr] Downloaded prost v0.6.1 [INFO] [stderr] Downloaded bytes v0.5.6 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded tokio-timer v0.2.13 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded lock_api v0.3.4 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded indexmap v1.6.0 [INFO] [stderr] Downloaded libc v0.2.81 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded tokio-util v0.3.1 [INFO] [stderr] Downloaded futures-task v0.3.8 [INFO] [stderr] Downloaded getrandom v0.1.15 [INFO] [stderr] Downloaded proc-macro-nested v0.1.6 [INFO] [stderr] Downloaded tonic-build v0.3.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded log v0.4.11 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded tempfile v3.1.0 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded fnv v1.0.7 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tower-service v0.3.0 [INFO] [stderr] Downloaded toml v0.5.7 [INFO] [stderr] Downloaded serde v1.0.118 [INFO] [stderr] Downloaded httparse v1.3.4 [INFO] [stderr] Downloaded itoa v0.4.6 [INFO] [stderr] Downloaded tower-layer v0.3.0 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded tower-retry v0.3.0 [INFO] [stderr] Downloaded tower-limit v0.3.1 [INFO] [stderr] Downloaded futures-io v0.3.8 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded pin-project v0.4.27 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded hermit-abi v0.1.17 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded tonic v0.3.1 [INFO] [stderr] Downloaded prost-derive v0.6.1 [INFO] [stderr] Downloaded which v3.1.1 [INFO] [stderr] Downloaded syn v1.0.53 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded rust-argon2 v0.8.3 [INFO] [stderr] Downloaded redox_users v0.3.5 [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded tower-util v0.3.1 [INFO] [stderr] Downloaded tower-load-shed v0.3.0 [INFO] [stderr] Downloaded futures-channel v0.3.8 [INFO] [stderr] Downloaded futures-macro v0.3.8 [INFO] [stderr] Downloaded tower-balance v0.3.0 [INFO] [stderr] Downloaded futures-core v0.3.8 [INFO] [stderr] Downloaded tower-make v0.3.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.27 [INFO] [stderr] Downloaded futures v0.1.30 [INFO] [stderr] Downloaded rand_chacha v0.2.2 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded tokio-executor v0.1.10 [INFO] [stderr] Downloaded tracing-attributes v0.1.11 [INFO] [stderr] Downloaded pin-project-lite v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2e1aed3e140c49b53b82b4e240f574fc3cf9cdafa49a2c8d0ca2e637e97be0c [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" "b2e1aed3e140c49b53b82b4e240f574fc3cf9cdafa49a2c8d0ca2e637e97be0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2e1aed3e140c49b53b82b4e240f574fc3cf9cdafa49a2c8d0ca2e637e97be0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e1aed3e140c49b53b82b4e240f574fc3cf9cdafa49a2c8d0ca2e637e97be0c", kill_on_drop: false }` [INFO] [stdout] b2e1aed3e140c49b53b82b4e240f574fc3cf9cdafa49a2c8d0ca2e637e97be0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8e1b2b2130ab6b8a7e8c97d58b3f9145787e2c63382aa820c3e6ab887dc685d [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" "f8e1b2b2130ab6b8a7e8c97d58b3f9145787e2c63382aa820c3e6ab887dc685d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking slog-async v2.5.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking socket2 v0.3.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking slog-term v2.6.0 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking tokio v0.2.23 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking tower-discover v0.3.0 [INFO] [stderr] Checking tower-load-shed v0.3.0 [INFO] [stderr] Compiling prost-types v0.6.1 [INFO] [stderr] Compiling tonic-build v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking tower-util v0.3.1 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking tower-load v0.3.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tower-buffer v0.3.0 [INFO] [stderr] Checking tower-ready-cache v0.3.1 [INFO] [stderr] Checking tower-make v0.3.0 [INFO] [stderr] Checking tower-retry v0.3.0 [INFO] [stderr] Checking tower-timeout v0.3.0 [INFO] [stderr] Checking tower-limit v0.3.1 [INFO] [stderr] Checking tower-balance v0.3.0 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Compiling raft-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tower v0.3.1 [INFO] [stderr] error: failed to run custom build command for `raft-demo v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/raft-demo-3423c1062170f73e/build-script-build` (exit status: 1) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4' [INFO] [stderr] note: this is a custom toolchain, which cannot use `rustup component add` [INFO] [stderr] help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py` [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f8e1b2b2130ab6b8a7e8c97d58b3f9145787e2c63382aa820c3e6ab887dc685d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8e1b2b2130ab6b8a7e8c97d58b3f9145787e2c63382aa820c3e6ab887dc685d", kill_on_drop: false }` [INFO] [stdout] f8e1b2b2130ab6b8a7e8c97d58b3f9145787e2c63382aa820c3e6ab887dc685d