[INFO] cloning repository https://github.com/dengyunsheng250/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dengyunsheng250/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdengyunsheng250%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdengyunsheng250%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e012fd053ccac841b02e5d54f08214261f8706d4
[INFO] testing dengyunsheng250/monkey against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdengyunsheng250%2Fmonkey" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dengyunsheng250/monkey
[INFO] finished tweaking git repo https://github.com/dengyunsheng250/monkey
[INFO] tweaked toml for git repo https://github.com/dengyunsheng250/monkey written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dengyunsheng250/monkey on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dengyunsheng250/monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 279425e966fc3bb23e547ecbae65253e93b64c8347d5f98c04ff80a07bf70c75
[INFO] running `Command { std: "docker" "start" "-a" "279425e966fc3bb23e547ecbae65253e93b64c8347d5f98c04ff80a07bf70c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279425e966fc3bb23e547ecbae65253e93b64c8347d5f98c04ff80a07bf70c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279425e966fc3bb23e547ecbae65253e93b64c8347d5f98c04ff80a07bf70c75", kill_on_drop: false }`
[INFO] [stdout] 279425e966fc3bb23e547ecbae65253e93b64c8347d5f98c04ff80a07bf70c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc378aead1ddb5ea1e1b47ddce0edbe1e30ed9106ce83a8c3dc1073eb66f29d4
[INFO] running `Command { std: "docker" "start" "-a" "dc378aead1ddb5ea1e1b47ddce0edbe1e30ed9106ce83a8c3dc1073eb66f29d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/lexer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Type {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/lexer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lexer.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Token {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 31 |     fn new(t: Type, value: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/lexer.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Lexer {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `advance`, `read_char`, `next_token`, and `tokenizer` are never used
[INFO] [stdout]   --> src/lexer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Lexer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 43 |     fn new(s: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn read_char(&mut self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn tokenizer(&mut self) -> Vec<Token> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "dc378aead1ddb5ea1e1b47ddce0edbe1e30ed9106ce83a8c3dc1073eb66f29d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc378aead1ddb5ea1e1b47ddce0edbe1e30ed9106ce83a8c3dc1073eb66f29d4", kill_on_drop: false }`
[INFO] [stdout] dc378aead1ddb5ea1e1b47ddce0edbe1e30ed9106ce83a8c3dc1073eb66f29d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ca02783c99a22c585d1ca504146a59db7f8dd280f4ed3fcafefe8159a62152
[INFO] running `Command { std: "docker" "start" "-a" "73ca02783c99a22c585d1ca504146a59db7f8dd280f4ed3fcafefe8159a62152", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 5  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     EOF,
[INFO] [stdout] 7  |     IDENT,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     INT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lexer.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 26 |     t: Type,
[INFO] [stdout] 27 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testNextToken` should have a snake case name
[INFO] [stdout]   --> src/lexer.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn testNextToken() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_next_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "73ca02783c99a22c585d1ca504146a59db7f8dd280f4ed3fcafefe8159a62152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ca02783c99a22c585d1ca504146a59db7f8dd280f4ed3fcafefe8159a62152", kill_on_drop: false }`
[INFO] [stdout] 73ca02783c99a22c585d1ca504146a59db7f8dd280f4ed3fcafefe8159a62152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6202a0b89281b9732f52f7f3dde020e9134afcb875fb9d55c59bcf97b43afd15
[INFO] running `Command { std: "docker" "start" "-a" "6202a0b89281b9732f52f7f3dde020e9134afcb875fb9d55c59bcf97b43afd15", kill_on_drop: false }`
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/lexer.rs:5:5
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub enum Type {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] 5  |     ILLEGAL,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 6  |     EOF,
[INFO] [stderr] 7  |     IDENT,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 8  |     INT,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     PLUS,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |
[INFO] [stderr] 13 |     COMMA,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 14 |     SEMICOLON,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 15 |
[INFO] [stderr] 16 |     LPAREN,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 17 |     RPAREN,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     LBRACE,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 19 |     RBRACE,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 20 |
[INFO] [stderr] 21 |     FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 22 |     LET,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/lexer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Token {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 26 |     t: Type,
[INFO] [stderr] 27 |     value: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `testNextToken` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn testNextToken() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_next_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey` (bin "monkey" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey-9f6ae58d337b3407)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::testNextToken ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6202a0b89281b9732f52f7f3dde020e9134afcb875fb9d55c59bcf97b43afd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6202a0b89281b9732f52f7f3dde020e9134afcb875fb9d55c59bcf97b43afd15", kill_on_drop: false }`
[INFO] [stdout] 6202a0b89281b9732f52f7f3dde020e9134afcb875fb9d55c59bcf97b43afd15