[INFO] cloning repository https://github.com/fernandoonrails/simple_state_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fernandoonrails/simple_state_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d7d008e3cc37c8f228ed68660370f1dee63ea5e
[INFO] checking fernandoonrails/simple_state_machine against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fernandoonrails/simple_state_machine
[INFO] finished tweaking git repo https://github.com/fernandoonrails/simple_state_machine
[INFO] tweaked toml for git repo https://github.com/fernandoonrails/simple_state_machine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fernandoonrails/simple_state_machine on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fernandoonrails/simple_state_machine 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking fernandoonrails/simple_state_machine against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/main.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking fernandoonrails/simple_state_machine against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-2-tc2/source/.git/objects/pack: No space left on device
[INFO] checking fernandoonrails/simple_state_machine against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoonrails%2Fsimple_state_machine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fernandoonrails/simple_state_machine
[INFO] finished tweaking git repo https://github.com/fernandoonrails/simple_state_machine
[INFO] tweaked toml for git repo https://github.com/fernandoonrails/simple_state_machine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fernandoonrails/simple_state_machine on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fernandoonrails/simple_state_machine 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add62fca1b695de8dbcc4e962baa7db2c965a6588f86f3fba46598bfb1922f93
[INFO] running `Command { std: "docker" "start" "-a" "add62fca1b695de8dbcc4e962baa7db2c965a6588f86f3fba46598bfb1922f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add62fca1b695de8dbcc4e962baa7db2c965a6588f86f3fba46598bfb1922f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add62fca1b695de8dbcc4e962baa7db2c965a6588f86f3fba46598bfb1922f93", kill_on_drop: false }`
[INFO] [stdout] add62fca1b695de8dbcc4e962baa7db2c965a6588f86f3fba46598bfb1922f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699404e46bc6b53aa08c2e4258159c47c943224be8e1be646b4a1e57f94a8d2a
[INFO] running `Command { std: "docker" "start" "-a" "699404e46bc6b53aa08c2e4258159c47c943224be8e1be646b4a1e57f94a8d2a", kill_on_drop: false }`
[INFO] [stderr]     Checking ssm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum State {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Transition` is never used
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Transition {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Player {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `collect` are never used
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn collect(&mut self, power: Transition) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "699404e46bc6b53aa08c2e4258159c47c943224be8e1be646b4a1e57f94a8d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699404e46bc6b53aa08c2e4258159c47c943224be8e1be646b4a1e57f94a8d2a", kill_on_drop: false }`
[INFO] [stdout] 699404e46bc6b53aa08c2e4258159c47c943224be8e1be646b4a1e57f94a8d2a