[INFO] cloning repository https://github.com/guthrum/Lua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guthrum/Lua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FLua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FLua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6ae2b4ea126f47d7d1b1b802704b91f8770adbe
[INFO] testing guthrum/Lua against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguthrum%2FLua" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guthrum/Lua on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guthrum/Lua
[INFO] finished tweaking git repo https://github.com/guthrum/Lua
[INFO] tweaked toml for git repo https://github.com/guthrum/Lua written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/guthrum/Lua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 0e00b3829dbc002e29ffff5638429397f19fc1863d90e05604af550d39d7cf3f
[INFO] running `Command { std: "docker" "start" "-a" "0e00b3829dbc002e29ffff5638429397f19fc1863d90e05604af550d39d7cf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e00b3829dbc002e29ffff5638429397f19fc1863d90e05604af550d39d7cf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e00b3829dbc002e29ffff5638429397f19fc1863d90e05604af550d39d7cf3f", kill_on_drop: false }`
[INFO] [stdout] 0e00b3829dbc002e29ffff5638429397f19fc1863d90e05604af550d39d7cf3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2ceb36b6b3422e5763e529f6c392cea88618a65d4d893afb52828fc41a02282b
[INFO] running `Command { std: "docker" "start" "-a" "2ceb36b6b3422e5763e529f6c392cea88618a65d4d893afb52828fc41a02282b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling lua-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/lexer/lexer.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |             for (kind, regex, generator) in &token_generators {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.15s
[INFO] running `Command { std: "docker" "inspect" "2ceb36b6b3422e5763e529f6c392cea88618a65d4d893afb52828fc41a02282b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ceb36b6b3422e5763e529f6c392cea88618a65d4d893afb52828fc41a02282b", kill_on_drop: false }`
[INFO] [stdout] 2ceb36b6b3422e5763e529f6c392cea88618a65d4d893afb52828fc41a02282b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73f7ba1e5a3396ba2ddf7d9611057c85327fb038668dd3a160124cccce82c05
[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" "e73f7ba1e5a3396ba2ddf7d9611057c85327fb038668dd3a160124cccce82c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling lua-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/lexer/lexer.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |             for (kind, regex, generator) in &token_generators {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e73f7ba1e5a3396ba2ddf7d9611057c85327fb038668dd3a160124cccce82c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f7ba1e5a3396ba2ddf7d9611057c85327fb038668dd3a160124cccce82c05", kill_on_drop: false }`
[INFO] [stdout] e73f7ba1e5a3396ba2ddf7d9611057c85327fb038668dd3a160124cccce82c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] a38eb4eb563ab53c9235cd1e9ba1e0353f06b2725218ccd3ac31252e6a3e8c77
[INFO] running `Command { std: "docker" "start" "-a" "a38eb4eb563ab53c9235cd1e9ba1e0353f06b2725218ccd3ac31252e6a3e8c77", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `kind`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lexer/lexer.rs:169:18
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 169 |             for (kind, regex, generator) in &token_generators {
[INFO] [stdout] 
[INFO] [stderr]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lua_parser-3f0580da42363cd3
[INFO] running `Command { std: "docker" "inspect" "a38eb4eb563ab53c9235cd1e9ba1e0353f06b2725218ccd3ac31252e6a3e8c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38eb4eb563ab53c9235cd1e9ba1e0353f06b2725218ccd3ac31252e6a3e8c77", kill_on_drop: false }`
[INFO] [stdout] a38eb4eb563ab53c9235cd1e9ba1e0353f06b2725218ccd3ac31252e6a3e8c77