[INFO] cloning repository https://github.com/lonnng/lua-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lonnng/lua-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonnng%2Flua-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonnng%2Flua-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc46902ab63e6c37a6040ec054cd7c92a08652be
[INFO] checking lonnng/lua-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonnng%2Flua-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lonnng/lua-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lonnng/lua-rs
[INFO] finished tweaking git repo https://github.com/lonnng/lua-rs
[INFO] tweaked toml for git repo https://github.com/lonnng/lua-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lonnng/lua-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5dad1892cb8e733fa894e816afbe951206d59ffb9e8245f0f72341a36f41595
[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" "a5dad1892cb8e733fa894e816afbe951206d59ffb9e8245f0f72341a36f41595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dad1892cb8e733fa894e816afbe951206d59ffb9e8245f0f72341a36f41595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dad1892cb8e733fa894e816afbe951206d59ffb9e8245f0f72341a36f41595", kill_on_drop: false }`
[INFO] [stdout] a5dad1892cb8e733fa894e816afbe951206d59ffb9e8245f0f72341a36f41595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] e05e5b03ac278e23dda0a711fafbbfb352897566d7bfc4579061817f382154b1
[INFO] running `Command { std: "docker" "start" "-a" "e05e5b03ac278e23dda0a711fafbbfb352897566d7bfc4579061817f382154b1", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking lua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `u8: Buf` is not satisfied
[INFO] [stdout]    --> src/scanner.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 |         self.buffer.put(c as u8)
[INFO] [stdout]     |                         ^^^^^^^ the trait `Buf` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: Buf` is not satisfied
[INFO] [stdout]    --> src/scanner.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 |         self.buffer.put(c as u8)
[INFO] [stdout]     |                         ^^^^^^^ the trait `Buf` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/scanner.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 314 | /         loop {
[INFO] [stdout] 315 | |             match self.current {
[INFO] [stdout] 316 | |                 EOF => {
[INFO] [stdout] 317 | |                     if is_comment {
[INFO] [stdout] ...   |
[INFO] [stdout] 350 | |             }
[INFO] [stdout] 351 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 352 |           unreachable!()
[INFO] [stdout]     |           ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/scanner.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 314 | /         loop {
[INFO] [stdout] 315 | |             match self.current {
[INFO] [stdout] 316 | |                 EOF => {
[INFO] [stdout] 317 | |                     if is_comment {
[INFO] [stdout] ...   |
[INFO] [stdout] 350 | |             }
[INFO] [stdout] 351 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 352 |           unreachable!()
[INFO] [stdout]     |           ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lua`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e05e5b03ac278e23dda0a711fafbbfb352897566d7bfc4579061817f382154b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05e5b03ac278e23dda0a711fafbbfb352897566d7bfc4579061817f382154b1", kill_on_drop: false }`
[INFO] [stdout] e05e5b03ac278e23dda0a711fafbbfb352897566d7bfc4579061817f382154b1