[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] testing zzccppp/engineer-compiler-demo against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzccppp/engineer-compiler-demo on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8c607169f46cd045952dbd40826bf374231266eec4d84ac8cb492d140d9850
[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" "8f8c607169f46cd045952dbd40826bf374231266eec4d84ac8cb492d140d9850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8c607169f46cd045952dbd40826bf374231266eec4d84ac8cb492d140d9850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8c607169f46cd045952dbd40826bf374231266eec4d84ac8cb492d140d9850", kill_on_drop: false }`
[INFO] [stdout] 8f8c607169f46cd045952dbd40826bf374231266eec4d84ac8cb492d140d9850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 6d2ed66a23776a8e1310d971d97455b5e83e7f00d86d5a885376fa9cdccf6141
[INFO] running `Command { std: "docker" "start" "-a" "6d2ed66a23776a8e1310d971d97455b5e83e7f00d86d5a885376fa9cdccf6141", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "6d2ed66a23776a8e1310d971d97455b5e83e7f00d86d5a885376fa9cdccf6141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2ed66a23776a8e1310d971d97455b5e83e7f00d86d5a885376fa9cdccf6141", kill_on_drop: false }`
[INFO] [stdout] 6d2ed66a23776a8e1310d971d97455b5e83e7f00d86d5a885376fa9cdccf6141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 466e3259090cf9c2cac852a4886a03179cd0918c0f566abc3ba5cfba7128b69b
[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" "466e3259090cf9c2cac852a4886a03179cd0918c0f566abc3ba5cfba7128b69b", kill_on_drop: false }`
[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] [stderr]    Compiling engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "466e3259090cf9c2cac852a4886a03179cd0918c0f566abc3ba5cfba7128b69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466e3259090cf9c2cac852a4886a03179cd0918c0f566abc3ba5cfba7128b69b", kill_on_drop: false }`
[INFO] [stdout] 466e3259090cf9c2cac852a4886a03179cd0918c0f566abc3ba5cfba7128b69b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0810c68a3266ebba4e02e90c0b5e31d019d3ea88a55f9a9b2d2c6102ac7b515a
[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" "0810c68a3266ebba4e02e90c0b5e31d019d3ea88a55f9a9b2d2c6102ac7b515a", kill_on_drop: false }`
[INFO] [stderr] warning: variable `Q` should have a snake case name
[INFO] [stderr]    --> src/nfa/mod.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut Q = Vec::new();
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `q`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q_index` should have a snake case name
[INFO] [stderr]    --> src/nfa/mod.rs:374:13
[INFO] [stderr]     |
[INFO] [stderr] 374 |     let mut Q_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `q_index`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q` should have a snake case name
[INFO] [stderr]    --> src/nfa/mod.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut Q = Vec::new();
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `q`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q_index` should have a snake case name
[INFO] [stderr]    --> src/nfa/mod.rs:374:13
[INFO] [stderr]     |
[INFO] [stderr] 374 |     let mut Q_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `q_index`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/engineer_compiler_demo1-777769008b31d202
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/engineer_compiler_demo1-bed7b6c091402a30
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests engineer-compiler-demo1
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0810c68a3266ebba4e02e90c0b5e31d019d3ea88a55f9a9b2d2c6102ac7b515a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0810c68a3266ebba4e02e90c0b5e31d019d3ea88a55f9a9b2d2c6102ac7b515a", kill_on_drop: false }`
[INFO] [stdout] 0810c68a3266ebba4e02e90c0b5e31d019d3ea88a55f9a9b2d2c6102ac7b515a