[INFO] crate rox-lang 0.0.0 is already in cache
[INFO] testing rox-lang-0.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate rox-lang 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rox-lang 0.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rox-lang 0.0.0
[INFO] finished tweaking crates.io crate rox-lang 0.0.0
[INFO] tweaked toml for crates.io crate rox-lang 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rox-lang 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5efef56be0927a78be1f362d547a1909d4c7ff9bd8f12821a1c29d1c4d942cd9
[INFO] running `"docker" "start" "-a" "5efef56be0927a78be1f362d547a1909d4c7ff9bd8f12821a1c29d1c4d942cd9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling rox-lang v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-lang-d4c02d4d792fd5ee/out/rox_parser.rs:732:16
[INFO] [stderr]     |
[INFO] [stderr] 732 |         pub fn new() -> DeclarationParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]  --> src/interpreter/op_code.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Equals,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/interpreter/op_code.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/interpreter/op_code.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/interpreter/op_code.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Not,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Negate`
[INFO] [stderr]   --> src/interpreter/op_code.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]   --> src/interpreter/op_code.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Pop,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/interpreter/syntax.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/interpreter/syntax.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equals,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEquals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotEquals,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/interpreter/syntax.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     While(Box<Expression>, Box<Statement>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/interpreter/syntax.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Block(Box<Declaration>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/interpreter/syntax.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Class(String, Option<String>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/interpreter/syntax.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Function(Function),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "5efef56be0927a78be1f362d547a1909d4c7ff9bd8f12821a1c29d1c4d942cd9"`
[INFO] running `"docker" "rm" "-f" "5efef56be0927a78be1f362d547a1909d4c7ff9bd8f12821a1c29d1c4d942cd9"`
[INFO] [stdout] 5efef56be0927a78be1f362d547a1909d4c7ff9bd8f12821a1c29d1c4d942cd9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbe1d3aef26d76e75847d15f9831a011b16e471d34bbc9d2c268d0c917a0b589
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fbe1d3aef26d76e75847d15f9831a011b16e471d34bbc9d2c268d0c917a0b589"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fsio v0.1.2
[INFO] [stderr]    Compiling nias v0.4.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-lang-d4c02d4d792fd5ee/out/rox_parser.rs:732:16
[INFO] [stderr]     |
[INFO] [stderr] 732 |         pub fn new() -> DeclarationParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]  --> src/interpreter/op_code.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Equals,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/interpreter/op_code.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/interpreter/op_code.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/interpreter/op_code.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Not,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Negate`
[INFO] [stderr]   --> src/interpreter/op_code.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]   --> src/interpreter/op_code.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Pop,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/interpreter/syntax.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/interpreter/syntax.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equals,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEquals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotEquals,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/interpreter/syntax.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     While(Box<Expression>, Box<Statement>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/interpreter/syntax.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Block(Box<Declaration>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/interpreter/syntax.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Class(String, Option<String>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/interpreter/syntax.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Function(Function),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling envmnt v0.8.1
[INFO] [stderr]    Compiling ci_info v0.9.2
[INFO] [stderr]    Compiling rusty-hook v0.10.3
[INFO] [stderr]    Compiling rox-lang v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/variables_test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rox-lang`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-lang-d4c02d4d792fd5ee/out/rox_parser.rs:732:16
[INFO] [stderr]     |
[INFO] [stderr] 732 |         pub fn new() -> DeclarationParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]  --> src/interpreter/op_code.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Equals,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/interpreter/op_code.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/interpreter/op_code.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/interpreter/op_code.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Not,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Negate`
[INFO] [stderr]   --> src/interpreter/op_code.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/interpreter/op_code.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]   --> src/interpreter/op_code.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Pop,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/interpreter/syntax.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/interpreter/syntax.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equals,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEquals`
[INFO] [stderr]   --> src/interpreter/syntax.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotEquals,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/interpreter/syntax.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     While(Box<Expression>, Box<Statement>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/interpreter/syntax.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Block(Box<Declaration>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/interpreter/syntax.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Class(String, Option<String>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/interpreter/syntax.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Function(Function),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fbe1d3aef26d76e75847d15f9831a011b16e471d34bbc9d2c268d0c917a0b589"`
[INFO] running `"docker" "rm" "-f" "fbe1d3aef26d76e75847d15f9831a011b16e471d34bbc9d2c268d0c917a0b589"`
[INFO] [stdout] fbe1d3aef26d76e75847d15f9831a011b16e471d34bbc9d2c268d0c917a0b589