[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 try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonnng%2Flua-rs" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lonnng/lua-rs on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-22/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b867f74cda83d2df5539f2fb38cf5e51f735e73fcfff99d123258338ab9ce6e2
[INFO] running `Command { std: "docker" "start" "-a" "b867f74cda83d2df5539f2fb38cf5e51f735e73fcfff99d123258338ab9ce6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b867f74cda83d2df5539f2fb38cf5e51f735e73fcfff99d123258338ab9ce6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b867f74cda83d2df5539f2fb38cf5e51f735e73fcfff99d123258338ab9ce6e2", kill_on_drop: false }`
[INFO] [stdout] b867f74cda83d2df5539f2fb38cf5e51f735e73fcfff99d123258338ab9ce6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c1ae2aa72409184c2c268ed3cbb34feb486bcc29308a5d1f3a39d2825dc156
[INFO] running `Command { std: "docker" "start" "-a" "84c1ae2aa72409184c2c268ed3cbb34feb486bcc29308a5d1f3a39d2825dc156", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     |                     required by a bound introduced by this call
[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 the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     |                     required by a bound introduced by this call
[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 the macro `unreachable` (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` due to 2 previous errors; 1 warning emitted
[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" "84c1ae2aa72409184c2c268ed3cbb34feb486bcc29308a5d1f3a39d2825dc156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c1ae2aa72409184c2c268ed3cbb34feb486bcc29308a5d1f3a39d2825dc156", kill_on_drop: false }`
[INFO] [stdout] 84c1ae2aa72409184c2c268ed3cbb34feb486bcc29308a5d1f3a39d2825dc156