[INFO] fetching crate lux-lang 0.0.1-alpha.1...
[INFO] checking lux-lang-0.0.1-alpha.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate lux-lang 0.0.1-alpha.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate lux-lang 0.0.1-alpha.1
[INFO] finished tweaking crates.io crate lux-lang 0.0.1-alpha.1
[INFO] tweaked toml for crates.io crate lux-lang 0.0.1-alpha.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lux-lang 0.0.1-alpha.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lux-lang 0.0.1-alpha.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30c093b83c28fd24968579e89024a226163ec0c0ca4074518023013edc422129
[INFO] running `Command { std: "docker" "start" "-a" "30c093b83c28fd24968579e89024a226163ec0c0ca4074518023013edc422129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c093b83c28fd24968579e89024a226163ec0c0ca4074518023013edc422129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c093b83c28fd24968579e89024a226163ec0c0ca4074518023013edc422129", kill_on_drop: false }`
[INFO] [stdout] 30c093b83c28fd24968579e89024a226163ec0c0ca4074518023013edc422129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7086bd28a8db8d0db077ed867f0541158ac9b2e317b09dc155e58f6b4bee36ab
[INFO] running `Command { std: "docker" "start" "-a" "7086bd28a8db8d0db077ed867f0541158ac9b2e317b09dc155e58f6b4bee36ab", kill_on_drop: false }`
[INFO] [stderr]     Checking lux-lang v0.0.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Facet` is never constructed
[INFO] [stdout]   --> src/ast.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Facet(String, Vec<(String, Type)>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_GLOBALS` is never used
[INFO] [stdout]  --> src/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const MAX_GLOBALS: usize = 1024;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_stack_trace` is never used
[INFO] [stdout]    --> src/prism.rs:531:8
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Prism {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 531 |     fn print_stack_trace(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Facet` is never constructed
[INFO] [stdout]   --> src/ast.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Facet(String, Vec<(String, Type)>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_GLOBALS` is never used
[INFO] [stdout]  --> src/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const MAX_GLOBALS: usize = 1024;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_stack_trace` is never used
[INFO] [stdout]    --> src/prism.rs:531:8
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Prism {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 531 |     fn print_stack_trace(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "7086bd28a8db8d0db077ed867f0541158ac9b2e317b09dc155e58f6b4bee36ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7086bd28a8db8d0db077ed867f0541158ac9b2e317b09dc155e58f6b4bee36ab", kill_on_drop: false }`
[INFO] [stdout] 7086bd28a8db8d0db077ed867f0541158ac9b2e317b09dc155e58f6b4bee36ab