[INFO] cloning repository https://github.com/martskins/monkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martskins/monkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e047a508dac7506a6d25a4638d5b43abbe5dc6e5
[INFO] checking martskins/monkers against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/monkers on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/monkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff42e08d7771032c030a3dd905e5b3cfccbfffb9a59638145088fe38510c28f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ff42e08d7771032c030a3dd905e5b3cfccbfffb9a59638145088fe38510c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff42e08d7771032c030a3dd905e5b3cfccbfffb9a59638145088fe38510c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff42e08d7771032c030a3dd905e5b3cfccbfffb9a59638145088fe38510c28f", kill_on_drop: false }`
[INFO] [stdout] 4ff42e08d7771032c030a3dd905e5b3cfccbfffb9a59638145088fe38510c28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef789fe606c352177e9b872a35bd711883a4954f612218e81017fe53071f19f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ef789fe606c352177e9b872a35bd711883a4954f612218e81017fe53071f19f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking monkers v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/parser/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/evaluator/object.rs (1 fix)
[INFO] [stdout] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parser/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from(input: &str) -> Parser {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string_literal_expression`
[INFO] [stdout]    --> src/parser/mod.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string_literal_expression`
[INFO] [stdout]    --> src/parser/mod.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking monkers v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parser/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from(input: &str) -> Parser {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string_literal_expression`
[INFO] [stdout]    --> src/parser/mod.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string_literal_expression`
[INFO] [stdout]    --> src/parser/mod.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "0ef789fe606c352177e9b872a35bd711883a4954f612218e81017fe53071f19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef789fe606c352177e9b872a35bd711883a4954f612218e81017fe53071f19f", kill_on_drop: false }`
[INFO] [stdout] 0ef789fe606c352177e9b872a35bd711883a4954f612218e81017fe53071f19f