[INFO] cloning repository https://github.com/Ayawen01/lox-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ayawen01/lox-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyawen01%2Flox-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyawen01%2Flox-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa0aeae33cc9044c2301f8d6287a86ee689e367f
[INFO] testing Ayawen01/lox-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyawen01%2Flox-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ayawen01/lox-rust 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/Ayawen01/lox-rust
[INFO] finished tweaking git repo https://github.com/Ayawen01/lox-rust
[INFO] tweaked toml for git repo https://github.com/Ayawen01/lox-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Ayawen01/lox-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cb7229aae583e9f687ca6904a109f4278d9a06ff31b72c790f86741b348ef2
[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" "74cb7229aae583e9f687ca6904a109f4278d9a06ff31b72c790f86741b348ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cb7229aae583e9f687ca6904a109f4278d9a06ff31b72c790f86741b348ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cb7229aae583e9f687ca6904a109f4278d9a06ff31b72c790f86741b348ef2", kill_on_drop: false }`
[INFO] [stdout] 74cb7229aae583e9f687ca6904a109f4278d9a06ff31b72c790f86741b348ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0e6834cc6d93ef7f3414bbebf03fe44f2f5496b46911baea2765c0b5b6f05d1
[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" "e0e6834cc6d93ef7f3414bbebf03fe44f2f5496b46911baea2765c0b5b6f05d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lexer/scanner.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stdout]     |                                  ---------------------------- immutable borrow occurs here
[INFO] [stdout] 140 |             self.add_token(*tokenType, text, None);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^----------^^^^^^^^^^^^^
[INFO] [stdout]     |             |              |
[INFO] [stdout]     |             |              immutable borrow later used here
[INFO] [stdout]     |             mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_type`
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     token_type: TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]  --> src/lexer/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     lexeme: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `literal`
[INFO] [stdout]  --> src/lexer/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     literal: Option<LoxType>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/lexer/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     line: usize
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/lexer/token_type.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/lexer/token_type.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Nil
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tokenType` should have a snake case name
[INFO] [stdout]    --> src/lexer/scanner.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to snake case: `token_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0e6834cc6d93ef7f3414bbebf03fe44f2f5496b46911baea2765c0b5b6f05d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e6834cc6d93ef7f3414bbebf03fe44f2f5496b46911baea2765c0b5b6f05d1", kill_on_drop: false }`
[INFO] [stdout] e0e6834cc6d93ef7f3414bbebf03fe44f2f5496b46911baea2765c0b5b6f05d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6eea864b9a3348147a2c0677eaebeb67f29dd4a234a07379dd212435abea775
[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" "f6eea864b9a3348147a2c0677eaebeb67f29dd4a234a07379dd212435abea775", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lexer/scanner.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stdout]     |                                  ---------------------------- immutable borrow occurs here
[INFO] [stdout] 140 |             self.add_token(*tokenType, text, None);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^----------^^^^^^^^^^^^^
[INFO] [stdout]     |             |              |
[INFO] [stdout]     |             |              immutable borrow later used here
[INFO] [stdout]     |             mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_type`
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     token_type: TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]  --> src/lexer/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     lexeme: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `literal`
[INFO] [stdout]  --> src/lexer/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     literal: Option<LoxType>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/lexer/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     line: usize
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/lexer/token_type.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/lexer/token_type.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Nil
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tokenType` should have a snake case name
[INFO] [stdout]    --> src/lexer/scanner.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to snake case: `token_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "f6eea864b9a3348147a2c0677eaebeb67f29dd4a234a07379dd212435abea775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6eea864b9a3348147a2c0677eaebeb67f29dd4a234a07379dd212435abea775", kill_on_drop: false }`
[INFO] [stdout] f6eea864b9a3348147a2c0677eaebeb67f29dd4a234a07379dd212435abea775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b896303b700fd14f1e77eec85f646ff81dfb82af07978eba1f408eaa4073c9f
[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" "2b896303b700fd14f1e77eec85f646ff81dfb82af07978eba1f408eaa4073c9f", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/lexer/scanner.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stderr]     |                                  ---------------------------- immutable borrow occurs here
[INFO] [stderr] 140 |             self.add_token(*tokenType, text, None);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^----------^^^^^^^^^^^^^
[INFO] [stderr]     |             |              |
[INFO] [stderr]     |             |              immutable borrow later used here
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token_type`
[INFO] [stderr]  --> src/lexer/token.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     token_type: TokenType,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lexeme`
[INFO] [stderr]  --> src/lexer/token.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     lexeme: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `literal`
[INFO] [stderr]  --> src/lexer/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     literal: Option<LoxType>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/lexer/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     line: usize
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/lexer/token_type.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Boolean(bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/lexer/token_type.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Nil
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tokenType` should have a snake case name
[INFO] [stderr]    --> src/lexer/scanner.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |         if let Some(tokenType) = self.keywords.get(&text[..]) {
[INFO] [stderr]     |                     ^^^^^^^^^ help: convert the identifier to snake case: `token_type`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-rust` (bin "lox-rust" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox_rust-1644fd8089b318c2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b896303b700fd14f1e77eec85f646ff81dfb82af07978eba1f408eaa4073c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b896303b700fd14f1e77eec85f646ff81dfb82af07978eba1f408eaa4073c9f", kill_on_drop: false }`
[INFO] [stdout] 2b896303b700fd14f1e77eec85f646ff81dfb82af07978eba1f408eaa4073c9f