[INFO] cloning repository https://github.com/alihsaas/neko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alihsaas/neko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3222eb6276aae3249a5e2bf7b354bfdcb8a79d3a
[INFO] testing alihsaas/neko against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alihsaas/neko on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alihsaas/neko
[INFO] finished tweaking git repo https://github.com/alihsaas/neko
[INFO] tweaked toml for git repo https://github.com/alihsaas/neko written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/alihsaas/neko already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 443310088cb88a8e627bd5995d01def8c70b4997e8e277d5936a3f76bdff8068
[INFO] running `Command { std: "docker" "start" "-a" "443310088cb88a8e627bd5995d01def8c70b4997e8e277d5936a3f76bdff8068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443310088cb88a8e627bd5995d01def8c70b4997e8e277d5936a3f76bdff8068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443310088cb88a8e627bd5995d01def8c70b4997e8e277d5936a3f76bdff8068", kill_on_drop: false }`
[INFO] [stdout] 443310088cb88a8e627bd5995d01def8c70b4997e8e277d5936a3f76bdff8068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2393f78a587491a980290f5ced36e32eb2975aec1bf3a42ea50ea18a082b753
[INFO] running `Command { std: "docker" "start" "-a" "a2393f78a587491a980290f5ced36e32eb2975aec1bf3a42ea50ea18a082b753", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.20+1.1.0
[INFO] [stderr]    Compiling git2 v0.13.19
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling rustyline-derive v0.4.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-lock v6.0.1
[INFO] [stderr]    Compiling built v0.5.0
[INFO] [stderr]    Compiling neko v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `enable_editor`
[INFO] [stdout]   --> src/repl.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enable_editor(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `analyze`
[INFO] [stdout]    --> src/semantic_analyzer.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn analyze(&mut self, node: &Node) -> SResult {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/symbol.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.10s
[INFO] running `Command { std: "docker" "inspect" "a2393f78a587491a980290f5ced36e32eb2975aec1bf3a42ea50ea18a082b753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2393f78a587491a980290f5ced36e32eb2975aec1bf3a42ea50ea18a082b753", kill_on_drop: false }`
[INFO] [stdout] a2393f78a587491a980290f5ced36e32eb2975aec1bf3a42ea50ea18a082b753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1cd36a8bd5f45d473f0d2f0dcfb9ff9ea5ce048a7dae76858084bd2f80b3a6a
[INFO] running `Command { std: "docker" "start" "-a" "e1cd36a8bd5f45d473f0d2f0dcfb9ff9ea5ce048a7dae76858084bd2f80b3a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling neko v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `enable_editor`
[INFO] [stdout]   --> src/repl.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enable_editor(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/symbol.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "e1cd36a8bd5f45d473f0d2f0dcfb9ff9ea5ce048a7dae76858084bd2f80b3a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cd36a8bd5f45d473f0d2f0dcfb9ff9ea5ce048a7dae76858084bd2f80b3a6a", kill_on_drop: false }`
[INFO] [stdout] e1cd36a8bd5f45d473f0d2f0dcfb9ff9ea5ce048a7dae76858084bd2f80b3a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17c9210513f18bf1733bf41b39112ec4bd197d4d2121f8cde56ba530105467ad
[INFO] running `Command { std: "docker" "start" "-a" "17c9210513f18bf1733bf41b39112ec4bd197d4d2121f8cde56ba530105467ad", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `enable_editor`
[INFO] [stderr]   --> src/repl.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn enable_editor(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/symbol.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neko-212513609c8dfe7a)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test lexer::should_lex_exponent ... ok
[INFO] [stdout] test lexer::should_lex_compound_assignments ... ok
[INFO] [stdout] test lexer::should_lex_bool_operations ... ok
[INFO] [stdout] test interpreter::should_handle_var_deceration ... ok
[INFO] [stdout] test lexer::should_lex_booleans ... ok
[INFO] [stdout] test lexer::should_lex_addsub ... ok
[INFO] [stdout] test lexer::should_lex_muldivmod ... ok
[INFO] [stdout] test lexer::should_lex_paren ... ok
[INFO] [stdout] test interpreter::should_handle_comparison ... ok
[INFO] [stdout] test interpreter::should_handle_var_assignment ... ok
[INFO] [stdout] test lexer::should_lex_words ... ok
[INFO] [stdout] test lexer::should_lex_strings ... ok
[INFO] [stdout] test parser::should_parse_comparision ... ok
[INFO] [stdout] test parser::should_parse_compound_assignments ... ok
[INFO] [stdout] test parser::should_parse_function_statement ... ok
[INFO] [stdout] test parser::should_parse_multiple_statements ... ok
[INFO] [stdout] test parser::should_parse_variable_decleration ... ok
[INFO] [stdout] test parser::shouldnt_parse_variable_assignment ... ok
[INFO] [stdout] test interpreter::should_eval_math_expression ... ok
[INFO] [stdout] test semantic_analyzer::tests::should_catch_duplicate_decleration ... ok
[INFO] [stdout] test semantic_analyzer::tests::should_catch_usage_of_undefined_variable ... ok
[INFO] [stdout] test semantic_analyzer::tests::should_catch_undefined_variable_assignment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17c9210513f18bf1733bf41b39112ec4bd197d4d2121f8cde56ba530105467ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c9210513f18bf1733bf41b39112ec4bd197d4d2121f8cde56ba530105467ad", kill_on_drop: false }`
[INFO] [stdout] 17c9210513f18bf1733bf41b39112ec4bd197d4d2121f8cde56ba530105467ad