[INFO] fetching crate lux-lang 0.0.1-alpha.1...
[INFO] testing lux-lang-0.0.1-alpha.1 against 1.90.0 for beta-1.91-3
[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 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df60949d9850ba81d6a8e76b3a45fc3a589fb0f01f7ca47566195060fda28be
[INFO] running `Command { std: "docker" "start" "-a" "3df60949d9850ba81d6a8e76b3a45fc3a589fb0f01f7ca47566195060fda28be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df60949d9850ba81d6a8e76b3a45fc3a589fb0f01f7ca47566195060fda28be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df60949d9850ba81d6a8e76b3a45fc3a589fb0f01f7ca47566195060fda28be", kill_on_drop: false }`
[INFO] [stdout] 3df60949d9850ba81d6a8e76b3a45fc3a589fb0f01f7ca47566195060fda28be
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c632619834c3ffad2130634f9007d20f78d54e0009c2f51861341b99ccf38fe
[INFO] running `Command { std: "docker" "start" "-a" "0c632619834c3ffad2130634f9007d20f78d54e0009c2f51861341b99ccf38fe", 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)]` 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 2.28s
[INFO] running `Command { std: "docker" "inspect" "0c632619834c3ffad2130634f9007d20f78d54e0009c2f51861341b99ccf38fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c632619834c3ffad2130634f9007d20f78d54e0009c2f51861341b99ccf38fe", kill_on_drop: false }`
[INFO] [stdout] 0c632619834c3ffad2130634f9007d20f78d54e0009c2f51861341b99ccf38fe
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd1d79b5fb7382e8d4a17fff6c4be694360cbbb012ee10164de655472c43c2e
[INFO] running `Command { std: "docker" "start" "-a" "7dd1d79b5fb7382e8d4a17fff6c4be694360cbbb012ee10164de655472c43c2e", 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)]` 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "7dd1d79b5fb7382e8d4a17fff6c4be694360cbbb012ee10164de655472c43c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd1d79b5fb7382e8d4a17fff6c4be694360cbbb012ee10164de655472c43c2e", kill_on_drop: false }`
[INFO] [stdout] 7dd1d79b5fb7382e8d4a17fff6c4be694360cbbb012ee10164de655472c43c2e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2a98dce153180e830d3d24cf28543b71a57bccfb17322015338d46b30b66d21
[INFO] running `Command { std: "docker" "start" "-a" "c2a98dce153180e830d3d24cf28543b71a57bccfb17322015338d46b30b66d21", 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)]` 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 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lux-f2664d96d7646a20)
[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" "c2a98dce153180e830d3d24cf28543b71a57bccfb17322015338d46b30b66d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a98dce153180e830d3d24cf28543b71a57bccfb17322015338d46b30b66d21", kill_on_drop: false }`
[INFO] [stdout] c2a98dce153180e830d3d24cf28543b71a57bccfb17322015338d46b30b66d21