[INFO] cloning repository https://github.com/thezzw/rlua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thezzw/rlua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthezzw%2Frlua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthezzw%2Frlua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf21547ab3975a4c42e4eae0fadfdc6840485c12
[INFO] checking thezzw/rlua against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthezzw%2Frlua" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thezzw/rlua on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thezzw/rlua
[INFO] finished tweaking git repo https://github.com/thezzw/rlua
[INFO] tweaked toml for git repo https://github.com/thezzw/rlua written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thezzw/rlua 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6776ec6242e81f9f4187529e12a6e7ce434b938b5ad678dd638ef7f2c9d6012
[INFO] running `Command { std: "docker" "start" "-a" "c6776ec6242e81f9f4187529e12a6e7ce434b938b5ad678dd638ef7f2c9d6012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6776ec6242e81f9f4187529e12a6e7ce434b938b5ad678dd638ef7f2c9d6012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6776ec6242e81f9f4187529e12a6e7ce434b938b5ad678dd638ef7f2c9d6012", kill_on_drop: false }`
[INFO] [stdout] c6776ec6242e81f9f4187529e12a6e7ce434b938b5ad678dd638ef7f2c9d6012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ab2973ec973d0f455ed9ebf1dc5540f9d2c913c469305cf565fc764f231ece
[INFO] running `Command { std: "docker" "start" "-a" "69ab2973ec973d0f455ed9ebf1dc5540f9d2c913c469305cf565fc764f231ece", kill_on_drop: false }`
[INFO] [stderr]     Checking rlua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `number_base`
[INFO] [stdout]    --> src/lexer.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn parse_number_exp(&mut self, number_base: f64) -> Token {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_base`
[INFO] [stdout]    --> src/lexer.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn parse_number_exp(&mut self, number_base: f64) -> Token {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_base`
[INFO] [stdout]    --> src/lexer.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn parse_number_exp(&mut self, number_base: f64) -> Token {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_base`
[INFO] [stdout]    --> src/lexer.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn parse_number_exp(&mut self, number_base: f64) -> Token {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/bytecode.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Call(u8, u8),
[INFO] [stdout]    |     ----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Call(u8, u8),
[INFO] [stdout] 12 +     Call(u8, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/bytecode.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Call(u8, u8),
[INFO] [stdout]    |     ----     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Call(u8, u8),
[INFO] [stdout] 12 +     Call(u8, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "69ab2973ec973d0f455ed9ebf1dc5540f9d2c913c469305cf565fc764f231ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ab2973ec973d0f455ed9ebf1dc5540f9d2c913c469305cf565fc764f231ece", kill_on_drop: false }`
[INFO] [stdout] 69ab2973ec973d0f455ed9ebf1dc5540f9d2c913c469305cf565fc764f231ece