[INFO] updating cached repository https://github.com/zzccppp/engineer-compiler-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa8723688fe6cb5e80520312e45bdde43901ab32
[INFO] checking zzccppp/engineer-compiler-demo against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/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/zzccppp/engineer-compiler-demo on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zzccppp/engineer-compiler-demo
[INFO] finished tweaking git repo https://github.com/zzccppp/engineer-compiler-demo
[INFO] tweaked toml for git repo https://github.com/zzccppp/engineer-compiler-demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zzccppp/engineer-compiler-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54b6abb6fe944eb3034471270b2adeb2df176fd335db9b23bf27600e220cec7
[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" "f54b6abb6fe944eb3034471270b2adeb2df176fd335db9b23bf27600e220cec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54b6abb6fe944eb3034471270b2adeb2df176fd335db9b23bf27600e220cec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b6abb6fe944eb3034471270b2adeb2df176fd335db9b23bf27600e220cec7", kill_on_drop: false }`
[INFO] [stdout] f54b6abb6fe944eb3034471270b2adeb2df176fd335db9b23bf27600e220cec7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 77227c02070f588b9eff6394d67888d0a8c44b77006f41aae9aa0902608c344d
[INFO] running `Command { std: "docker" "start" "-a" "77227c02070f588b9eff6394d67888d0a8c44b77006f41aae9aa0902608c344d", kill_on_drop: false }`
[INFO] [stderr]     Checking engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/nfa/mod.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |     let mut Q = Vec::new();
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_index` should have a snake case name
[INFO] [stdout]    --> src/nfa/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let mut Q_index: usize = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `q_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/nfa/mod.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |     let mut Q = Vec::new();
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_index` should have a snake case name
[INFO] [stdout]    --> src/nfa/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let mut Q_index: usize = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `q_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "77227c02070f588b9eff6394d67888d0a8c44b77006f41aae9aa0902608c344d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77227c02070f588b9eff6394d67888d0a8c44b77006f41aae9aa0902608c344d", kill_on_drop: false }`
[INFO] [stdout] 77227c02070f588b9eff6394d67888d0a8c44b77006f41aae9aa0902608c344d