[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzccppp%2Fengineer-compiler-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzccppp/engineer-compiler-demo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d88adf1837d1b3f9435b5a4f0ab4fc45161b46d37862a15b7f81af694fd30e
[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" "58d88adf1837d1b3f9435b5a4f0ab4fc45161b46d37862a15b7f81af694fd30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d88adf1837d1b3f9435b5a4f0ab4fc45161b46d37862a15b7f81af694fd30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d88adf1837d1b3f9435b5a4f0ab4fc45161b46d37862a15b7f81af694fd30e", kill_on_drop: false }`
[INFO] [stdout] 58d88adf1837d1b3f9435b5a4f0ab4fc45161b46d37862a15b7f81af694fd30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e6ca0621ffc6d0bf1fe2dd989bcf1161c5feb0ba1f0973d76f6b43775e2a21
[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" "e7e6ca0621ffc6d0bf1fe2dd989bcf1161c5feb0ba1f0973d76f6b43775e2a21", 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 2.88s
[INFO] running `Command { std: "docker" "inspect" "e7e6ca0621ffc6d0bf1fe2dd989bcf1161c5feb0ba1f0973d76f6b43775e2a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e6ca0621ffc6d0bf1fe2dd989bcf1161c5feb0ba1f0973d76f6b43775e2a21", kill_on_drop: false }`
[INFO] [stdout] e7e6ca0621ffc6d0bf1fe2dd989bcf1161c5feb0ba1f0973d76f6b43775e2a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51207492818802ecd5c6bbf230c94ac905fdc5e5e934bbc91d7bffa4d21a131
[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" "a51207492818802ecd5c6bbf230c94ac905fdc5e5e934bbc91d7bffa4d21a131", 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "a51207492818802ecd5c6bbf230c94ac905fdc5e5e934bbc91d7bffa4d21a131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51207492818802ecd5c6bbf230c94ac905fdc5e5e934bbc91d7bffa4d21a131", kill_on_drop: false }`
[INFO] [stdout] a51207492818802ecd5c6bbf230c94ac905fdc5e5e934bbc91d7bffa4d21a131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3701909a4e819bae6a8600424a30fdf1695ccd60e2214ac42f339b18b4af7194
[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" "3701909a4e819bae6a8600424a30fdf1695ccd60e2214ac42f339b18b4af7194", 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-e1746a9667eae03a
[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 /opt/rustwide/target/debug/deps/engineer_compiler_demo1-6988e35f9ee5d58a
[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] [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" "3701909a4e819bae6a8600424a30fdf1695ccd60e2214ac42f339b18b4af7194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3701909a4e819bae6a8600424a30fdf1695ccd60e2214ac42f339b18b4af7194", kill_on_drop: false }`
[INFO] [stdout] 3701909a4e819bae6a8600424a30fdf1695ccd60e2214ac42f339b18b4af7194