[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] checking zzccppp/engineer-compiler-demo against master#6a9758d4f38d4763bd437c48fa7e5246cecf8d04 for pr-124355
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzccppp/engineer-compiler-demo on toolchain 6a9758d4f38d4763bd437c48fa7e5246cecf8d04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60ff9e2bae4cd0092bea26b9b0f86e2926d7116ff41643ee4281a76ada051c3c
[INFO] running `Command { std: "docker" "start" "-a" "60ff9e2bae4cd0092bea26b9b0f86e2926d7116ff41643ee4281a76ada051c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60ff9e2bae4cd0092bea26b9b0f86e2926d7116ff41643ee4281a76ada051c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ff9e2bae4cd0092bea26b9b0f86e2926d7116ff41643ee4281a76ada051c3c", kill_on_drop: false }`
[INFO] [stdout] 60ff9e2bae4cd0092bea26b9b0f86e2926d7116ff41643ee4281a76ada051c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e55592ccb9c04d2585c1f572fc9e487a4403d41c804985a7f8d722e8685a081
[INFO] running `Command { std: "docker" "start" "-a" "5e55592ccb9c04d2585c1f572fc9e487a4403d41c804985a7f8d722e8685a081", kill_on_drop: false }`
[INFO] [stderr]     Checking engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct DFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 23 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_type` and `id` are never read
[INFO] [stdout]   --> src/nfa/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct DFANode {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 37 |     node_type: FANodeType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 38 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DFANode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct DFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 23 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: fields `node_type` and `id` are never read
[INFO] [stdout]   --> src/nfa/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct DFANode {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 37 |     node_type: FANodeType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 38 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DFANode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "5e55592ccb9c04d2585c1f572fc9e487a4403d41c804985a7f8d722e8685a081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e55592ccb9c04d2585c1f572fc9e487a4403d41c804985a7f8d722e8685a081", kill_on_drop: false }`
[INFO] [stdout] 5e55592ccb9c04d2585c1f572fc9e487a4403d41c804985a7f8d722e8685a081
[INFO] checking zzccppp/engineer-compiler-demo against try#99e7531f0d1cf95a50aff9cccb24863963e6bbe2 for pr-124355
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzccppp/engineer-compiler-demo on toolchain 99e7531f0d1cf95a50aff9cccb24863963e6bbe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 186089beb72a6bc4eea7b29c7e2ea770b854fde112ee5ee70223b7fe3baac49b
[INFO] running `Command { std: "docker" "start" "-a" "186089beb72a6bc4eea7b29c7e2ea770b854fde112ee5ee70223b7fe3baac49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186089beb72a6bc4eea7b29c7e2ea770b854fde112ee5ee70223b7fe3baac49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186089beb72a6bc4eea7b29c7e2ea770b854fde112ee5ee70223b7fe3baac49b", kill_on_drop: false }`
[INFO] [stdout] 186089beb72a6bc4eea7b29c7e2ea770b854fde112ee5ee70223b7fe3baac49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b99a9941e9522ffb0b0c7130f8e6631ce4d46492dd08dd632fb1f81a697c43
[INFO] running `Command { std: "docker" "start" "-a" "51b99a9941e9522ffb0b0c7130f8e6631ce4d46492dd08dd632fb1f81a697c43", kill_on_drop: false }`
[INFO] [stderr]     Checking engineer-compiler-demo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `from_id` is never read
[INFO] [stdout]   --> src/nfa/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NFATransferInfo {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     from_id: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NFATransferInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `engineer-compiler-demo1` (lib); 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `engineer-compiler-demo1` (lib test); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "51b99a9941e9522ffb0b0c7130f8e6631ce4d46492dd08dd632fb1f81a697c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b99a9941e9522ffb0b0c7130f8e6631ce4d46492dd08dd632fb1f81a697c43", kill_on_drop: false }`
[INFO] [stdout] 51b99a9941e9522ffb0b0c7130f8e6631ce4d46492dd08dd632fb1f81a697c43