[INFO] cloning repository https://github.com/mmaslyukov/rust-fsm-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmaslyukov/rust-fsm-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaslyukov%2Frust-fsm-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaslyukov%2Frust-fsm-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71a1eb203d9d12dbbde628c5eadd737186fa149f
[INFO] checking mmaslyukov/rust-fsm-example against master#3f28fe133475ec5faf3413b556bf3cfb0d51336c for pr-112365-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaslyukov%2Frust-fsm-example" "/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/mmaslyukov/rust-fsm-example on toolchain 3f28fe133475ec5faf3413b556bf3cfb0d51336c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmaslyukov/rust-fsm-example
[INFO] finished tweaking git repo https://github.com/mmaslyukov/rust-fsm-example
[INFO] tweaked toml for git repo https://github.com/mmaslyukov/rust-fsm-example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mmaslyukov/rust-fsm-example 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" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mmaslyukov/rust-fsm-example against try#2eb702bf20a12c67e5629a5c82890c910c267bd9 for pr-112365-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaslyukov%2Frust-fsm-example" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmaslyukov/rust-fsm-example on toolchain 2eb702bf20a12c67e5629a5c82890c910c267bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmaslyukov/rust-fsm-example
[INFO] finished tweaking git repo https://github.com/mmaslyukov/rust-fsm-example
[INFO] tweaked toml for git repo https://github.com/mmaslyukov/rust-fsm-example written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mmaslyukov/rust-fsm-example 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" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca045479dd5f89f3ff694cb5f885b02e2fdd8be697fd526b0fc89ff95d92c9f
[INFO] running `Command { std: "docker" "start" "-a" "9ca045479dd5f89f3ff694cb5f885b02e2fdd8be697fd526b0fc89ff95d92c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca045479dd5f89f3ff694cb5f885b02e2fdd8be697fd526b0fc89ff95d92c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca045479dd5f89f3ff694cb5f885b02e2fdd8be697fd526b0fc89ff95d92c9f", kill_on_drop: false }`
[INFO] [stdout] 9ca045479dd5f89f3ff694cb5f885b02e2fdd8be697fd526b0fc89ff95d92c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a384eb80d800896ace0d1e196fcb998e882feb564c5bd3d3101e92b374c535b2
[INFO] running `Command { std: "docker" "start" "-a" "a384eb80d800896ace0d1e196fcb998e882feb564c5bd3d3101e92b374c535b2", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-fsm-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fsm.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn wrap<S>(mut self, state: S) -> State
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fsm.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn transit(mut self) -> State {
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `New`, `Idle`, `Reg`, and `Surv` are never constructed
[INFO] [stdout]   --> src/fsm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum State {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 19 |     New(Data),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Idle(Data),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Reg(Data),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     Surv(Data),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `active` are never read
[INFO] [stdout]   --> src/fsm.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Data {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 33 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     active: bool
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wrap`, `start`, `stop`, and `name` are never used
[INFO] [stdout]   --> src/fsm.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Data {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 43 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn wrap<S>(mut self, state: S) -> State
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn start(&mut self, _e: Event) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn stop(&mut self, _e: Event) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn name(&mut self, e: Event) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `consume` and `data` are never used
[INFO] [stdout]   --> src/fsm.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 74 |     pub fn consume(self, e: Event) -> Transition {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn data(&self) -> &Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Wrapper` is never used
[INFO] [stdout]   --> src/fsm.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | type Wrapper = fn(Data) -> State;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Handler` is never used
[INFO] [stdout]   --> src/fsm.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | type Handler = fn(&mut Data, Event);
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transition` is never constructed
[INFO] [stdout]    --> src/fsm.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Transition {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_valid`, `make_shallow`, and `transit` are never used
[INFO] [stdout]    --> src/fsm.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Transition {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 110 |     pub fn make_valid(wrap: Wrapper, data: Data, event: Event, func: Handler) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn make_shallow(next: State, event: Event) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn transit(mut self) -> State {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fsm.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn wrap<S>(mut self, state: S) -> State
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fsm.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn transit(mut self) -> State {
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Surv` is never constructed
[INFO] [stdout]   --> src/fsm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum State {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Surv(Data),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a384eb80d800896ace0d1e196fcb998e882feb564c5bd3d3101e92b374c535b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a384eb80d800896ace0d1e196fcb998e882feb564c5bd3d3101e92b374c535b2", kill_on_drop: false }`
[INFO] [stdout] a384eb80d800896ace0d1e196fcb998e882feb564c5bd3d3101e92b374c535b2