[INFO] updating cached repository https://github.com/reese/rox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/reese/rox
[INFO] [stderr]    d226541..3a054b5  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a054b500ecd5abfe6587afaa3f35eb70c39c6c8
[INFO] testing reese/rox against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Frox" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reese/rox on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reese/rox
[INFO] finished tweaking git repo https://github.com/reese/rox
[INFO] tweaked toml for git repo https://github.com/reese/rox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/reese/rox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 4b5d63f5508b63cf7fb344f49c5494e48e94b9540f68c8b8b9e7605a09f07b82
[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" "4b5d63f5508b63cf7fb344f49c5494e48e94b9540f68c8b8b9e7605a09f07b82"`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling syn v1.0.17
[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 bitmaps v2.1.0
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling rox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-7c790547af897141/out/rox_parser.rs:732:9
[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 2m 00s
[INFO] running `"docker" "inspect" "4b5d63f5508b63cf7fb344f49c5494e48e94b9540f68c8b8b9e7605a09f07b82"`
[INFO] running `"docker" "rm" "-f" "4b5d63f5508b63cf7fb344f49c5494e48e94b9540f68c8b8b9e7605a09f07b82"`
[INFO] [stdout] 4b5d63f5508b63cf7fb344f49c5494e48e94b9540f68c8b8b9e7605a09f07b82
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31dbb4837c15e989fafc09a042dd8ef6eab8366c15f43d71a43e7bc5e4574741
[INFO] running `"docker" "start" "-a" "31dbb4837c15e989fafc09a042dd8ef6eab8366c15f43d71a43e7bc5e4574741"`
[INFO] [stderr]    Compiling fsio v0.1.2
[INFO] [stderr]    Compiling nias v0.4.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-7c790547af897141/out/rox_parser.rs:732:9
[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 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> tests/variables_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-7c790547af897141/out/rox_parser.rs:732:9
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `"docker" "inspect" "31dbb4837c15e989fafc09a042dd8ef6eab8366c15f43d71a43e7bc5e4574741"`
[INFO] running `"docker" "rm" "-f" "31dbb4837c15e989fafc09a042dd8ef6eab8366c15f43d71a43e7bc5e4574741"`
[INFO] [stdout] 31dbb4837c15e989fafc09a042dd8ef6eab8366c15f43d71a43e7bc5e4574741
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86b4cb4187fb4994c1f658eb0d6e3e51ba110ed25446ed9f389bd0f5e2ad1016
[INFO] running `"docker" "start" "-a" "86b4cb4187fb4994c1f658eb0d6e3e51ba110ed25446ed9f389bd0f5e2ad1016"`
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-7c790547af897141/out/rox_parser.rs:732:9
[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: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/rox-7c790547af897141/out/rox_parser.rs:732:9
[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: `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: `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: `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: `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: `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: `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: `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: `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: `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: `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: `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: `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: `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: 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] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> tests/variables_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rox-ee48fe5e2a9e1f0b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rox-2b4224d2f8d71753
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/variables_test-ebb432eac637e07f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests rox
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "86b4cb4187fb4994c1f658eb0d6e3e51ba110ed25446ed9f389bd0f5e2ad1016"`
[INFO] running `"docker" "rm" "-f" "86b4cb4187fb4994c1f658eb0d6e3e51ba110ed25446ed9f389bd0f5e2ad1016"`
[INFO] [stdout] 86b4cb4187fb4994c1f658eb0d6e3e51ba110ed25446ed9f389bd0f5e2ad1016