[INFO] cloning 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" "clone" "--bare" "https://github.com/zzccppp/engineer-compiler-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa8723688fe6cb5e80520312e45bdde43901ab32
[INFO] testing zzccppp/engineer-compiler-demo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzccppp/engineer-compiler-demo on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-109/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a91e36d32eb71ebb5de4325fdec77f6ccb71f8d7d17f11a60d90ce5b191e567
[INFO] running `Command { std: "docker" "start" "-a" "8a91e36d32eb71ebb5de4325fdec77f6ccb71f8d7d17f11a60d90ce5b191e567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a91e36d32eb71ebb5de4325fdec77f6ccb71f8d7d17f11a60d90ce5b191e567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a91e36d32eb71ebb5de4325fdec77f6ccb71f8d7d17f11a60d90ce5b191e567", kill_on_drop: false }`
[INFO] [stdout] 8a91e36d32eb71ebb5de4325fdec77f6ccb71f8d7d17f11a60d90ce5b191e567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f859e3e68bef2345fb395ec2138726cd1d1da132d5ab986db6d704940e29a8ad
[INFO] running `Command { std: "docker" "start" "-a" "f859e3e68bef2345fb395ec2138726cd1d1da132d5ab986db6d704940e29a8ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]   --> src/nfa/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     node_type: FANodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/nfa/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     id: u64,
[INFO] [stdout]    |     ^^^^^^^
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.14s
[INFO] running `Command { std: "docker" "inspect" "f859e3e68bef2345fb395ec2138726cd1d1da132d5ab986db6d704940e29a8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f859e3e68bef2345fb395ec2138726cd1d1da132d5ab986db6d704940e29a8ad", kill_on_drop: false }`
[INFO] [stdout] f859e3e68bef2345fb395ec2138726cd1d1da132d5ab986db6d704940e29a8ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbae84a425926398d948d02787fec2f69d57c0432bda7d5b538a766984609363
[INFO] running `Command { std: "docker" "start" "-a" "bbae84a425926398d948d02787fec2f69d57c0432bda7d5b538a766984609363", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]   --> src/nfa/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     node_type: FANodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/nfa/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     id: u64,
[INFO] [stdout]    |     ^^^^^^^
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `from_id`
[INFO] [stdout]   --> src/nfa/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]   --> src/nfa/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     node_type: FANodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/nfa/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     id: u64,
[INFO] [stdout]    |     ^^^^^^^
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "bbae84a425926398d948d02787fec2f69d57c0432bda7d5b538a766984609363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbae84a425926398d948d02787fec2f69d57c0432bda7d5b538a766984609363", kill_on_drop: false }`
[INFO] [stdout] bbae84a425926398d948d02787fec2f69d57c0432bda7d5b538a766984609363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d811b77bb0ddca5d85937662386d14e3e17090fe7a3175e4426cb07129a968e
[INFO] running `Command { std: "docker" "start" "-a" "5d811b77bb0ddca5d85937662386d14e3e17090fe7a3175e4426cb07129a968e", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `from_id`
[INFO] [stderr]   --> src/nfa/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     from_id: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `from_id`
[INFO] [stderr]   --> src/nfa/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     from_id: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `node_type`
[INFO] [stderr]   --> src/nfa/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     node_type: FANodeType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/nfa/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     id: u64,
[INFO] [stderr]    |     ^^^^^^^
[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: `engineer-compiler-demo1` (lib) generated 6 warnings
[INFO] [stderr] warning: `engineer-compiler-demo1` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/engineer_compiler_demo1-133c46cb661bc8a5)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/engineer_compiler_demo1-75ab56ee3815b20f)
[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] [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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d811b77bb0ddca5d85937662386d14e3e17090fe7a3175e4426cb07129a968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d811b77bb0ddca5d85937662386d14e3e17090fe7a3175e4426cb07129a968e", kill_on_drop: false }`
[INFO] [stdout] 5d811b77bb0ddca5d85937662386d14e3e17090fe7a3175e4426cb07129a968e