[INFO] crate rual-core 0.0.4 is already in cache
[INFO] checking rual-core-0.0.4 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate rual-core 0.0.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rual-core 0.0.4 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rual-core 0.0.4
[INFO] finished tweaking crates.io crate rual-core 0.0.4
[INFO] tweaked toml for crates.io crate rual-core 0.0.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7012473b442f874eb6981e5dca238888b1a627cf100284cdd9610e0ceb12a3bd
[INFO] running `"docker" "start" "-a" "7012473b442f874eb6981e5dca238888b1a627cf100284cdd9610e0ceb12a3bd"`
[INFO] [stderr]     Checking rual-core v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Punct`
[INFO] [stderr]  --> src/lexing/mod.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stderr]  --> src/vm/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     expressions::{Expr, Value},
[INFO] [stderr]   |                   ^^^^  ^^^^^
[INFO] [stderr] 3 |     lexing::Lexer,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 4 |     parsing::Parser,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     syntax::Punct,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeSet`
[INFO] [stderr]  --> src/vm/mod.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stderr]  --> src/vm/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     expressions::{Expr, Value},
[INFO] [stderr]   |                   ^^^^  ^^^^^
[INFO] [stderr] 3 |     lexing::Lexer,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 4 |     parsing::Parser,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     syntax::Punct,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeSet`
[INFO] [stderr]  --> src/vm/mod.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/vm/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Unit,
[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]   --> src/vm/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/vm/mod.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/vm/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn empty() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_num`
[INFO] [stderr]    --> src/vm/mod.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn lookup_num(&self, ident: &str) -> Option<i32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_str`
[INFO] [stderr]    --> src/vm/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn lookup_str(&self, ident: &str) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_list`
[INFO] [stderr]    --> src/vm/mod.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn lookup_list(&self, ident: &str) -> Option<Vec<i32>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/vm/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Unit,
[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]   --> src/vm/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/vm/mod.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/vm/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn empty() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "7012473b442f874eb6981e5dca238888b1a627cf100284cdd9610e0ceb12a3bd"`
[INFO] running `"docker" "rm" "-f" "7012473b442f874eb6981e5dca238888b1a627cf100284cdd9610e0ceb12a3bd"`
[INFO] [stdout] 7012473b442f874eb6981e5dca238888b1a627cf100284cdd9610e0ceb12a3bd
