[INFO] cloning repository https://github.com/nightfly19/bovine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nightfly19/bovine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnightfly19%2Fbovine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnightfly19%2Fbovine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91e6122147c0da91afde03b34833bd1c418687aa [INFO] checking nightfly19/bovine against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnightfly19%2Fbovine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nightfly19/bovine 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/nightfly19/bovine [INFO] finished tweaking git repo https://github.com/nightfly19/bovine [INFO] tweaked toml for git repo https://github.com/nightfly19/bovine written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nightfly19/bovine 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.99 [INFO] [stderr] Downloaded quote v1.0.1 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.1 [INFO] [stderr] Downloaded bincode v1.1.4 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded syn v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4cead2d90515ded742c56608bc1a278e0c075ff372b664adbd839e20baf47073 [INFO] running `Command { std: "docker" "start" "-a" "4cead2d90515ded742c56608bc1a278e0c075ff372b664adbd839e20baf47073", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cead2d90515ded742c56608bc1a278e0c075ff372b664adbd839e20baf47073", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cead2d90515ded742c56608bc1a278e0c075ff372b664adbd839e20baf47073", kill_on_drop: false }` [INFO] [stdout] 4cead2d90515ded742c56608bc1a278e0c075ff372b664adbd839e20baf47073 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f8fda6aa32d893271f4ffdba641a4cfacdd0e0a3ce3aab9683d811ca9d384c06 [INFO] running `Command { std: "docker" "start" "-a" "f8fda6aa32d893271f4ffdba641a4cfacdd0e0a3ce3aab9683d811ca9d384c06", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling quote v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking bovine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/stdiochannel.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = stdout.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/stdiochannel.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = stdout.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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 4.67s [INFO] running `Command { std: "docker" "inspect" "f8fda6aa32d893271f4ffdba641a4cfacdd0e0a3ce3aab9683d811ca9d384c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fda6aa32d893271f4ffdba641a4cfacdd0e0a3ce3aab9683d811ca9d384c06", kill_on_drop: false }` [INFO] [stdout] f8fda6aa32d893271f4ffdba641a4cfacdd0e0a3ce3aab9683d811ca9d384c06 [INFO] checking nightfly19/bovine 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%2Fnightfly19%2Fbovine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nightfly19/bovine 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/nightfly19/bovine [INFO] finished tweaking git repo https://github.com/nightfly19/bovine [INFO] tweaked toml for git repo https://github.com/nightfly19/bovine written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nightfly19/bovine 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cb136c8be50535c61a2bb3a10ff02446cd2ffdd8dbf51f60578085225fc4afeb [INFO] running `Command { std: "docker" "start" "-a" "cb136c8be50535c61a2bb3a10ff02446cd2ffdd8dbf51f60578085225fc4afeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb136c8be50535c61a2bb3a10ff02446cd2ffdd8dbf51f60578085225fc4afeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb136c8be50535c61a2bb3a10ff02446cd2ffdd8dbf51f60578085225fc4afeb", kill_on_drop: false }` [INFO] [stdout] cb136c8be50535c61a2bb3a10ff02446cd2ffdd8dbf51f60578085225fc4afeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e04595797e1e25b00e0230b9bd16ff8f92b09460a73762d89f97b2c3dc1d882a [INFO] running `Command { std: "docker" "start" "-a" "e04595797e1e25b00e0230b9bd16ff8f92b09460a73762d89f97b2c3dc1d882a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling quote v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking bovine v0.1.0 (/opt/rustwide/workdir) [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/childprocesschannel.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new (child_process: std::process::Child) -> Option> { [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 10 | Some(ChildProcessChannel { [INFO] [stdout] | ______________^ [INFO] [stdout] 11 | | child_process: child_process, [INFO] [stdout] 12 | | resource_type: std::marker::PhantomData, [INFO] [stdout] 13 | | }) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/childprocesschannel.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new (child_process: std::process::Child) -> Option> { [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 10 | Some(ChildProcessChannel { [INFO] [stdout] | ______________^ [INFO] [stdout] 11 | | child_process: child_process, [INFO] [stdout] 12 | | resource_type: std::marker::PhantomData, [INFO] [stdout] 13 | | }) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/stdiochannel.rs:43:15 [INFO] [stdout] | [INFO] [stdout] 39 | fn send(&mut self, t: T) -> Result<(), SendError> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | let mut stdout = self.stdout.lock(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | match bincode::serialize_into(stdout, &t) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/stdiochannel.rs:43:15 [INFO] [stdout] | [INFO] [stdout] 39 | fn send(&mut self, t: T) -> Result<(), SendError> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | let mut stdout = self.stdout.lock(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | match bincode::serialize_into(stdout, &t) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/stdiochannel.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = stdout.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/stdiochannel.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = stdout.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [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 `bovine` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `bovine` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e04595797e1e25b00e0230b9bd16ff8f92b09460a73762d89f97b2c3dc1d882a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e04595797e1e25b00e0230b9bd16ff8f92b09460a73762d89f97b2c3dc1d882a", kill_on_drop: false }` [INFO] [stdout] e04595797e1e25b00e0230b9bd16ff8f92b09460a73762d89f97b2c3dc1d882a