[INFO] fetching crate lux-lang 0.0.1-alpha.1...
[INFO] testing lux-lang-0.0.1-alpha.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate lux-lang 0.0.1-alpha.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lux-lang 0.0.1-alpha.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2509ec79d139b5f161929b9325c6b35cbeef788e9a805c28de3e9e6ba7e2cf
[INFO] running `Command { std: "docker" "start" "-a" "8c2509ec79d139b5f161929b9325c6b35cbeef788e9a805c28de3e9e6ba7e2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2509ec79d139b5f161929b9325c6b35cbeef788e9a805c28de3e9e6ba7e2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2509ec79d139b5f161929b9325c6b35cbeef788e9a805c28de3e9e6ba7e2cf", kill_on_drop: false }`
[INFO] [stdout] 8c2509ec79d139b5f161929b9325c6b35cbeef788e9a805c28de3e9e6ba7e2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23aaaa82007ca44d6619deda24c478691028b310f2e50014b0968c90a81cb1ac
[INFO] running `Command { std: "docker" "start" "-a" "23aaaa82007ca44d6619deda24c478691028b310f2e50014b0968c90a81cb1ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 1.93s
[INFO] running `Command { std: "docker" "inspect" "23aaaa82007ca44d6619deda24c478691028b310f2e50014b0968c90a81cb1ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23aaaa82007ca44d6619deda24c478691028b310f2e50014b0968c90a81cb1ac", kill_on_drop: false }`
[INFO] [stdout] 23aaaa82007ca44d6619deda24c478691028b310f2e50014b0968c90a81cb1ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcea58bf90d6e247bf929f9da932ac8563a453e1cdd4fd47431f98b36a3b2c0e
[INFO] running `Command { std: "docker" "start" "-a" "dcea58bf90d6e247bf929f9da932ac8563a453e1cdd4fd47431f98b36a3b2c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "dcea58bf90d6e247bf929f9da932ac8563a453e1cdd4fd47431f98b36a3b2c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcea58bf90d6e247bf929f9da932ac8563a453e1cdd4fd47431f98b36a3b2c0e", kill_on_drop: false }`
[INFO] [stdout] dcea58bf90d6e247bf929f9da932ac8563a453e1cdd4fd47431f98b36a3b2c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06123be79c070c53c3d657008d0af8bdda928966dceaa6b49fd77eb621f1c08b
[INFO] running `Command { std: "docker" "start" "-a" "06123be79c070c53c3d657008d0af8bdda928966dceaa6b49fd77eb621f1c08b", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Facet` is never constructed
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum Type {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 30 |     Facet(String, Vec<(String, Type)>),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_GLOBALS` is never used
[INFO] [stderr]  --> src/constants.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const MAX_GLOBALS: usize = 1024;
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print_stack_trace` is never used
[INFO] [stderr]    --> src/prism.rs:531:8
[INFO] [stderr]     |
[INFO] [stderr]  19 | impl Prism {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 531 |     fn print_stack_trace(&self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lux-lang` (bin "lux" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lux-8326e9c33b33650e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06123be79c070c53c3d657008d0af8bdda928966dceaa6b49fd77eb621f1c08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06123be79c070c53c3d657008d0af8bdda928966dceaa6b49fd77eb621f1c08b", kill_on_drop: false }`
[INFO] [stdout] 06123be79c070c53c3d657008d0af8bdda928966dceaa6b49fd77eb621f1c08b