[INFO] cloning repository https://github.com/rrokkam/bytecode-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrokkam/bytecode-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrokkam%2Fbytecode-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrokkam%2Fbytecode-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a10c279904b8e1ff22837d75dbc2eb12d002a72c
[INFO] checking rrokkam/bytecode-interpreter against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrokkam%2Fbytecode-interpreter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrokkam/bytecode-interpreter on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rrokkam/bytecode-interpreter
[INFO] finished tweaking git repo https://github.com/rrokkam/bytecode-interpreter
[INFO] tweaked toml for git repo https://github.com/rrokkam/bytecode-interpreter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rrokkam/bytecode-interpreter 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9c3500832385622a4cb5ebe3509774b975d36059f325447bd6ae48a8f527ea
[INFO] running `Command { std: "docker" "start" "-a" "ff9c3500832385622a4cb5ebe3509774b975d36059f325447bd6ae48a8f527ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9c3500832385622a4cb5ebe3509774b975d36059f325447bd6ae48a8f527ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9c3500832385622a4cb5ebe3509774b975d36059f325447bd6ae48a8f527ea", kill_on_drop: false }`
[INFO] [stdout] ff9c3500832385622a4cb5ebe3509774b975d36059f325447bd6ae48a8f527ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e39b5d2551f723e84d718be816b9f2bf015b14adb1ff18514c8aee761a853a
[INFO] running `Command { std: "docker" "start" "-a" "19e39b5d2551f723e84d718be816b9f2bf015b14adb1ff18514c8aee761a853a", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecode-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let next = self.tokens.next()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instructions` is never constructed
[INFO] [stdout]  --> src/parse.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Instructions<T>
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parse.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | / impl<T> Instructions<T>
[INFO] [stdout] 14 | | where
[INFO] [stdout] 15 | |     T: Iterator<Item = Token>,
[INFO] [stdout]    | |______________________________- associated function in this implementation
[INFO] [stdout] 16 |   {
[INFO] [stdout] 17 |       fn new(tokens: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parse.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(tokens: impl Iterator<Item = Token>) -> impl Iterator<Item = Instruction> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenize` is never used
[INFO] [stdout]    --> src/scan.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn tokenize(source: &str) -> impl Iterator<Item = Token> + '_ {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let next = self.tokens.next()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "19e39b5d2551f723e84d718be816b9f2bf015b14adb1ff18514c8aee761a853a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e39b5d2551f723e84d718be816b9f2bf015b14adb1ff18514c8aee761a853a", kill_on_drop: false }`
[INFO] [stdout] 19e39b5d2551f723e84d718be816b9f2bf015b14adb1ff18514c8aee761a853a
[INFO] checking rrokkam/bytecode-interpreter against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrokkam%2Fbytecode-interpreter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrokkam/bytecode-interpreter on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rrokkam/bytecode-interpreter
[INFO] finished tweaking git repo https://github.com/rrokkam/bytecode-interpreter
[INFO] tweaked toml for git repo https://github.com/rrokkam/bytecode-interpreter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rrokkam/bytecode-interpreter 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f10664c43d913f50290f985c3dfdce3d2cac254dd46b34315252c0ff4205b6e
[INFO] running `Command { std: "docker" "start" "-a" "0f10664c43d913f50290f985c3dfdce3d2cac254dd46b34315252c0ff4205b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f10664c43d913f50290f985c3dfdce3d2cac254dd46b34315252c0ff4205b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f10664c43d913f50290f985c3dfdce3d2cac254dd46b34315252c0ff4205b6e", kill_on_drop: false }`
[INFO] [stdout] 0f10664c43d913f50290f985c3dfdce3d2cac254dd46b34315252c0ff4205b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45056f2f7565d1527039a81ec9ec2d13cd64d2468b9c53f0a20428498fe5a832
[INFO] running `Command { std: "docker" "start" "-a" "45056f2f7565d1527039a81ec9ec2d13cd64d2468b9c53f0a20428498fe5a832", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecode-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let next = self.tokens.next()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instructions` is never constructed
[INFO] [stdout]  --> src/parse.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Instructions<T>
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parse.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | / impl<T> Instructions<T>
[INFO] [stdout] 14 | | where
[INFO] [stdout] 15 | |     T: Iterator<Item = Token>,
[INFO] [stdout]    | |______________________________- associated function in this implementation
[INFO] [stdout] 16 |   {
[INFO] [stdout] 17 |       fn new(tokens: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parse.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(tokens: impl Iterator<Item = Token>) -> impl Iterator<Item = Instruction> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenize` is never used
[INFO] [stdout]    --> src/scan.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn tokenize(source: &str) -> impl Iterator<Item = Token> + '_ {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parse.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(tokens: T) -> Self {
[INFO] [stdout]    |            --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |         Instructions {
[INFO] [stdout] 19 |             tokens: tokens.peekable(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(tokens: impl Iterator<Item = Token>) -> impl Iterator<Item = Instruction> {
[INFO] [stdout]    |          ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |     Instructions::new(tokens).flatten()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let next = self.tokens.next()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytecode-interpreter` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parse.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(tokens: T) -> Self {
[INFO] [stdout]    |            --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |         Instructions {
[INFO] [stdout] 19 |             tokens: tokens.peekable(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(tokens: impl Iterator<Item = Token>) -> impl Iterator<Item = Instruction> {
[INFO] [stdout]    |          ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |     Instructions::new(tokens).flatten()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytecode-interpreter` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "45056f2f7565d1527039a81ec9ec2d13cd64d2468b9c53f0a20428498fe5a832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45056f2f7565d1527039a81ec9ec2d13cd64d2468b9c53f0a20428498fe5a832", kill_on_drop: false }`
[INFO] [stdout] 45056f2f7565d1527039a81ec9ec2d13cd64d2468b9c53f0a20428498fe5a832