[INFO] cloning repository https://github.com/kdar/rust-statemachine-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdar/rust-statemachine-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdar%2Frust-statemachine-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdar%2Frust-statemachine-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1198997a5eadf3a50c55bb9d68677b4392c65871
[INFO] testing kdar/rust-statemachine-examples against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdar%2Frust-statemachine-examples" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kdar/rust-statemachine-examples on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kdar/rust-statemachine-examples
[INFO] finished tweaking git repo https://github.com/kdar/rust-statemachine-examples
[INFO] tweaked toml for git repo https://github.com/kdar/rust-statemachine-examples written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/kdar/rust-statemachine-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae9854f43cf0a1cee09b2520c84bae6c306e031ab9e30dd3ce60985759faca9
[INFO] running `Command { std: "docker" "start" "-a" "1ae9854f43cf0a1cee09b2520c84bae6c306e031ab9e30dd3ce60985759faca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae9854f43cf0a1cee09b2520c84bae6c306e031ab9e30dd3ce60985759faca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae9854f43cf0a1cee09b2520c84bae6c306e031ab9e30dd3ce60985759faca9", kill_on_drop: false }`
[INFO] [stdout] 1ae9854f43cf0a1cee09b2520c84bae6c306e031ab9e30dd3ce60985759faca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d663146001919c7a32b77639e427ce45adbf6bd7467035442ce354220044e232
[INFO] running `Command { std: "docker" "start" "-a" "d663146001919c7a32b77639e427ce45adbf6bd7467035442ce354220044e232", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-statemachine-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sm1.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stdout] 21 +   fn state2(&mut self) -> Option<&'static str> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sm1.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stdout] 26 +   fn state3(&mut self) -> Option<&'static str> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "d663146001919c7a32b77639e427ce45adbf6bd7467035442ce354220044e232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d663146001919c7a32b77639e427ce45adbf6bd7467035442ce354220044e232", kill_on_drop: false }`
[INFO] [stdout] d663146001919c7a32b77639e427ce45adbf6bd7467035442ce354220044e232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd41f2f195d65f673ebdd057c329a164d62891804038b1e960b1db14d6affeb
[INFO] running `Command { std: "docker" "start" "-a" "ccd41f2f195d65f673ebdd057c329a164d62891804038b1e960b1db14d6affeb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-statemachine-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sm1.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stdout] 21 +   fn state2(&mut self) -> Option<&'static str> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sm1.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stdout] 26 +   fn state3(&mut self) -> Option<&'static str> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "ccd41f2f195d65f673ebdd057c329a164d62891804038b1e960b1db14d6affeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd41f2f195d65f673ebdd057c329a164d62891804038b1e960b1db14d6affeb", kill_on_drop: false }`
[INFO] [stdout] ccd41f2f195d65f673ebdd057c329a164d62891804038b1e960b1db14d6affeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a0d4964c28f85ecb0592b071d387fdbd83486c535885d26e0a7226051f1f1a8
[INFO] running `Command { std: "docker" "start" "-a" "6a0d4964c28f85ecb0592b071d387fdbd83486c535885d26e0a7226051f1f1a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sm1.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stderr]    |                                  ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 21 -   fn state2(&mut self) -> Option<(&'static str)> {
[INFO] [stderr] 21 +   fn state2(&mut self) -> Option<&'static str> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sm1.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stderr]    |                                  ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -   fn state3(&mut self) -> Option<(&'static str)> {
[INFO] [stderr] 26 +   fn state3(&mut self) -> Option<&'static str> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-statemachine-examples` (bin "rust-statemachine-examples" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_statemachine_examples-a6d38bde16cd2d27)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a0d4964c28f85ecb0592b071d387fdbd83486c535885d26e0a7226051f1f1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0d4964c28f85ecb0592b071d387fdbd83486c535885d26e0a7226051f1f1a8", kill_on_drop: false }`
[INFO] [stdout] 6a0d4964c28f85ecb0592b071d387fdbd83486c535885d26e0a7226051f1f1a8