[INFO] cloning repository https://github.com/BenF-B/Titan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenF-B/Titan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenF-B%2FTitan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenF-B%2FTitan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c58b4ae80857c9a056ec34a18f9192258dfeb72 [INFO] testing BenF-B/Titan against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenF-B%2FTitan" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BenF-B/Titan on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BenF-B/Titan [INFO] finished tweaking git repo https://github.com/BenF-B/Titan [INFO] tweaked toml for git repo https://github.com/BenF-B/Titan written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/BenF-B/Titan already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cee2d071e6e3cf6cd9d11d885e3747cba788991f3f8132b85293c6590c0916da [INFO] running `Command { std: "docker" "start" "-a" "cee2d071e6e3cf6cd9d11d885e3747cba788991f3f8132b85293c6590c0916da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cee2d071e6e3cf6cd9d11d885e3747cba788991f3f8132b85293c6590c0916da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cee2d071e6e3cf6cd9d11d885e3747cba788991f3f8132b85293c6590c0916da", kill_on_drop: false }` [INFO] [stdout] cee2d071e6e3cf6cd9d11d885e3747cba788991f3f8132b85293c6590c0916da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86a8916b42997647e0a4051940afa01abb5ad271ff417ba2d24f08337deb0855 [INFO] running `Command { std: "docker" "start" "-a" "86a8916b42997647e0a4051940afa01abb5ad271ff417ba2d24f08337deb0855", kill_on_drop: false }` [INFO] [stderr] Compiling titan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/scanner.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | '*' => add_token(context, TokenType::Power, TokenCategory::Operation, 1), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 218 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 229 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 230 | TokenType::Identifier(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 268 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 269 | TokenType::IntNumber(i32::from_str(number).unwrap()), [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 261 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 262 | TokenType::DecimalNumber(f32::from_str(number).unwrap()), [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 303 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 304 | TokenType::String(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:309:13 [INFO] [stdout] | [INFO] [stdout] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 309 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 310 | TokenType::Char(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "86a8916b42997647e0a4051940afa01abb5ad271ff417ba2d24f08337deb0855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86a8916b42997647e0a4051940afa01abb5ad271ff417ba2d24f08337deb0855", kill_on_drop: false }` [INFO] [stdout] 86a8916b42997647e0a4051940afa01abb5ad271ff417ba2d24f08337deb0855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1a3b2ad862edaa0ff0be5a46c45963dc85d6b02275cb55160af8d4d0dbb72ed [INFO] running `Command { std: "docker" "start" "-a" "a1a3b2ad862edaa0ff0be5a46c45963dc85d6b02275cb55160af8d4d0dbb72ed", kill_on_drop: false }` [INFO] [stderr] Compiling titan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/scanner.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | '*' => add_token(context, TokenType::Power, TokenCategory::Operation, 1), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 218 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 229 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 230 | TokenType::Identifier(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 268 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 269 | TokenType::IntNumber(i32::from_str(number).unwrap()), [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 261 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 262 | TokenType::DecimalNumber(f32::from_str(number).unwrap()), [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 303 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 304 | TokenType::String(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/scanner.rs:309:13 [INFO] [stdout] | [INFO] [stdout] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stdout] | -------------------------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 309 | context, [INFO] [stdout] | ^^^^^^^ mutable borrow occurs here [INFO] [stdout] 310 | TokenType::Char(word.to_string()), [INFO] [stdout] | ---------------- immutable borrow later used here [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "a1a3b2ad862edaa0ff0be5a46c45963dc85d6b02275cb55160af8d4d0dbb72ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1a3b2ad862edaa0ff0be5a46c45963dc85d6b02275cb55160af8d4d0dbb72ed", kill_on_drop: false }` [INFO] [stdout] a1a3b2ad862edaa0ff0be5a46c45963dc85d6b02275cb55160af8d4d0dbb72ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7a44d373b60b28f90b4666f141eca39c6f56cfcd7a50eebb721d4da56f50f6ef [INFO] running `Command { std: "docker" "start" "-a" "7a44d373b60b28f90b4666f141eca39c6f56cfcd7a50eebb721d4da56f50f6ef", kill_on_drop: false }` [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/scanner.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | '*' => add_token(context, TokenType::Power, TokenCategory::Operation, 1), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/scanner.rs:229:13 [INFO] [stderr] | [INFO] [stderr] 218 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stderr] | -------------------------------------------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 229 | context, [INFO] [stderr] | ^^^^^^^ mutable borrow occurs here [INFO] [stderr] 230 | TokenType::Identifier(word.to_string()), [INFO] [stderr] | ---------------- immutable borrow later used 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 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/scanner.rs:268:13 [INFO] [stderr] | [INFO] [stderr] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stderr] | -------------------------------------------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 268 | context, [INFO] [stderr] | ^^^^^^^ mutable borrow occurs here [INFO] [stderr] 269 | TokenType::IntNumber(i32::from_str(number).unwrap()), [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [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 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/scanner.rs:261:13 [INFO] [stderr] | [INFO] [stderr] 256 | let number = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stderr] | -------------------------------------------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 261 | context, [INFO] [stderr] | ^^^^^^^ mutable borrow occurs here [INFO] [stderr] 262 | TokenType::DecimalNumber(f32::from_str(number).unwrap()), [INFO] [stderr] | ------ immutable borrow later used here [INFO] [stderr] | [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 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/scanner.rs:303:13 [INFO] [stderr] | [INFO] [stderr] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stderr] | -------------------------------------------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 303 | context, [INFO] [stderr] | ^^^^^^^ mutable borrow occurs here [INFO] [stderr] 304 | TokenType::String(word.to_string()), [INFO] [stderr] | ---------------- immutable borrow later used here [INFO] [stderr] | [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 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*context` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/scanner.rs:309:13 [INFO] [stderr] | [INFO] [stderr] 297 | let word = context.buffer.get(start_pointer..current_pointer).unwrap(); [INFO] [stderr] | -------------------------------------------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 309 | context, [INFO] [stderr] | ^^^^^^^ mutable borrow occurs here [INFO] [stderr] 310 | TokenType::Char(word.to_string()), [INFO] [stderr] | ---------------- immutable borrow later used here [INFO] [stderr] | [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 [INFO] [stderr] [INFO] [stderr] warning: `titan` (bin "titan" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/titan-84bebde4f6896594) [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" "7a44d373b60b28f90b4666f141eca39c6f56cfcd7a50eebb721d4da56f50f6ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a44d373b60b28f90b4666f141eca39c6f56cfcd7a50eebb721d4da56f50f6ef", kill_on_drop: false }` [INFO] [stdout] 7a44d373b60b28f90b4666f141eca39c6f56cfcd7a50eebb721d4da56f50f6ef