[INFO] cloning repository https://github.com/kdnakt/rmonkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdnakt/rmonkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b05ec8f18298175e42dce2d290542c1299e56b97
[INFO] testing kdnakt/rmonkey against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kdnakt/rmonkey on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kdnakt/rmonkey
[INFO] finished tweaking git repo https://github.com/kdnakt/rmonkey
[INFO] tweaked toml for git repo https://github.com/kdnakt/rmonkey written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/kdnakt/rmonkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whoami v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95dd9c147cc523b26b5f13fcd5f8860e58fd3dcdb2dec0a0e0c809bc2e535012
[INFO] running `Command { std: "docker" "start" "-a" "95dd9c147cc523b26b5f13fcd5f8860e58fd3dcdb2dec0a0e0c809bc2e535012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95dd9c147cc523b26b5f13fcd5f8860e58fd3dcdb2dec0a0e0c809bc2e535012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dd9c147cc523b26b5f13fcd5f8860e58fd3dcdb2dec0a0e0c809bc2e535012", kill_on_drop: false }`
[INFO] [stdout] 95dd9c147cc523b26b5f13fcd5f8860e58fd3dcdb2dec0a0e0c809bc2e535012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcda9788ba1bfec4c71c3eff07e65657ef6ab2fec4ea3d9e9996473187abc1d1
[INFO] running `Command { std: "docker" "start" "-a" "dcda9788ba1bfec4c71c3eff07e65657ef6ab2fec4ea3d9e9996473187abc1d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling whoami v1.1.5
[INFO] [stderr]    Compiling rmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             _ => None,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     Expression {
[INFO] [stdout] 19 | |         node: ExpressionNode,
[INFO] [stdout] 20 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `PrefixParseFn`
[INFO] [stdout]   --> src/parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum PrefixParseFn {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `store`
[INFO] [stdout]   --> src/object.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     store: HashMap<String, Object>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/object.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get(&self, name: String) -> Option<&Object> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/object.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn set(&mut self, name: String, val: Object) {
[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 2.25s
[INFO] running `Command { std: "docker" "inspect" "dcda9788ba1bfec4c71c3eff07e65657ef6ab2fec4ea3d9e9996473187abc1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcda9788ba1bfec4c71c3eff07e65657ef6ab2fec4ea3d9e9996473187abc1d1", kill_on_drop: false }`
[INFO] [stdout] dcda9788ba1bfec4c71c3eff07e65657ef6ab2fec4ea3d9e9996473187abc1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f965f0e72bb8a44746ea851ad138e39afe8de52f3bee4bb185e8836abd7b57b6
[INFO] running `Command { std: "docker" "start" "-a" "f965f0e72bb8a44746ea851ad138e39afe8de52f3bee4bb185e8836abd7b57b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             _ => None,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     Expression {
[INFO] [stdout] 19 | |         node: ExpressionNode,
[INFO] [stdout] 20 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `PrefixParseFn`
[INFO] [stdout]   --> src/parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum PrefixParseFn {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `store`
[INFO] [stdout]   --> src/object.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     store: HashMap<String, Object>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/object.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get(&self, name: String) -> Option<&Object> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/object.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn set(&mut self, name: String, val: Object) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.52s
[INFO] running `Command { std: "docker" "inspect" "f965f0e72bb8a44746ea851ad138e39afe8de52f3bee4bb185e8836abd7b57b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f965f0e72bb8a44746ea851ad138e39afe8de52f3bee4bb185e8836abd7b57b6", kill_on_drop: false }`
[INFO] [stdout] f965f0e72bb8a44746ea851ad138e39afe8de52f3bee4bb185e8836abd7b57b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8bc8f85c415a4d8a0d35487488f0ec142afeb042b52ffd04f84268f62f196d0
[INFO] running `Command { std: "docker" "start" "-a" "a8bc8f85c415a4d8a0d35487488f0ec142afeb042b52ffd04f84268f62f196d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/evaluator.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     Expression {
[INFO] [stderr] 19 | |         node: ExpressionNode,
[INFO] [stderr] 20 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PrefixParseFn`
[INFO] [stderr]   --> src/parser.rs:55:6
[INFO] [stderr]    |
[INFO] [stderr] 55 | enum PrefixParseFn {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `store`
[INFO] [stderr]   --> src/object.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     store: HashMap<String, Object>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/object.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn get(&self, name: String) -> Option<&Object> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/object.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn set(&mut self, name: String, val: Object) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rmonkey` (bin "rmonkey" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rmonkey-8b5c32706b33dc27)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test ast::tests::it_returns_string ... ok
[INFO] [stdout] test evaluator::tests::it_eval_error_handling ... ok
[INFO] [stdout] test evaluator::tests::it_eval_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::it_eval_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::it_eval_if_else_expression ... ok
[INFO] [stdout] test evaluator::tests::it_eval_return_statement ... ok
[INFO] [stdout] test parser::tests::it_parses_call_expression ... ok
[INFO] [stdout] test lexer::tests::it_gets_next_token ... ok
[INFO] [stdout] test parser::tests::it_parses_boolean_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_identifier_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_function_literal ... ok
[INFO] [stdout] test parser::tests::it_parses_infix_expressions ... ok
[INFO] [stdout] test parser::tests::it_parses_if_statement ... ok
[INFO] [stdout] test parser::tests::it_parses_function_parameter ... ok
[INFO] [stdout] test parser::tests::it_parses_infix_bool_expressions ... ok
[INFO] [stdout] test parser::tests::it_parses_let_statements ... ok
[INFO] [stdout] test evaluator::tests::it_evaluates_bang_operator ... ok
[INFO] [stdout] test parser::tests::it_parses_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_prefix_expressions ... ok
[INFO] [stdout] test token::tests::it_displays_token ... ok
[INFO] [stdout] test parser::tests::it_parses_return_statements ... ok
[INFO] [stdout] test parser::tests::it_parses_operator_precedence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8bc8f85c415a4d8a0d35487488f0ec142afeb042b52ffd04f84268f62f196d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bc8f85c415a4d8a0d35487488f0ec142afeb042b52ffd04f84268f62f196d0", kill_on_drop: false }`
[INFO] [stdout] a8bc8f85c415a4d8a0d35487488f0ec142afeb042b52ffd04f84268f62f196d0