[INFO] updating cached repository https://github.com/martskins/monkers
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e047a508dac7506a6d25a4638d5b43abbe5dc6e5
[INFO] checking martskins/monkers against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/monkers on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/martskins/monkers
[INFO] finished tweaking git repo https://github.com/martskins/monkers
[INFO] tweaked toml for git repo https://github.com/martskins/monkers written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/monkers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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=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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] b9b5a9f20caf27862d458b442ba8f5128f2b4a1953025233fce302934864ff63
[INFO] running `"docker" "start" "-a" "b9b5a9f20caf27862d458b442ba8f5128f2b4a1953025233fce302934864ff63"`
[INFO] [stderr]     Checking monkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `EvalError`, `Result`
[INFO] [stderr]  --> src/evaluator/object.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::result::{EvalError, Result};
[INFO] [stderr]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EvalError`, `Result`
[INFO] [stderr]  --> src/evaluator/object.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::result::{EvalError, Result};
[INFO] [stderr]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stderr]  --> src/evaluator/result.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]  --> src/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Illegal,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/parser/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn from(input: &str) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_string_literal_expression`
[INFO] [stderr]    --> src/parser/mod.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stderr]  --> src/evaluator/result.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]  --> src/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Illegal,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_string_literal_expression`
[INFO] [stderr]    --> src/parser/mod.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "b9b5a9f20caf27862d458b442ba8f5128f2b4a1953025233fce302934864ff63"`
[INFO] running `"docker" "rm" "-f" "b9b5a9f20caf27862d458b442ba8f5128f2b4a1953025233fce302934864ff63"`
[INFO] [stdout] b9b5a9f20caf27862d458b442ba8f5128f2b4a1953025233fce302934864ff63