[INFO] fetching crate encoding8 0.3.2... [INFO] checking encoding8-0.3.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate encoding8 0.3.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate encoding8 0.3.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate encoding8 0.3.2 [INFO] finished tweaking crates.io crate encoding8 0.3.2 [INFO] tweaked toml for crates.io crate encoding8 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c4d6a855b3ae483d3e0ad4b81b0f1a8523ff073f058a8c00d96606db2a588b4 [INFO] running `Command { std: "docker" "start" "-a" "2c4d6a855b3ae483d3e0ad4b81b0f1a8523ff073f058a8c00d96606db2a588b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c4d6a855b3ae483d3e0ad4b81b0f1a8523ff073f058a8c00d96606db2a588b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c4d6a855b3ae483d3e0ad4b81b0f1a8523ff073f058a8c00d96606db2a588b4", kill_on_drop: false }` [INFO] [stdout] 2c4d6a855b3ae483d3e0ad4b81b0f1a8523ff073f058a8c00d96606db2a588b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e780f9fafd46f82bb83d2eeff776b104394d0089f4903e6ad04338963fc5ac0b [INFO] running `Command { std: "docker" "start" "-a" "e780f9fafd46f82bb83d2eeff776b104394d0089f4903e6ad04338963fc5ac0b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking encoding8 v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ascii/mod.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ascii/mod.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 14 | 0x0 => 0x0, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 15 | 0x1 => 0x1, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 16 | 0x2 => 0x2, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 17 | 0x3 => 0x3, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 270 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 252 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ascii/mod.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ascii/mod.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 14 | 0x0 => 0x0, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 15 | 0x1 => 0x1, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 16 | 0x2 => 0x2, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 17 | 0x3 => 0x3, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 270 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 252 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ebcdic.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ebcdic.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 6 | 0x0 => 0x0, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 7 | 0x1 => 0x1, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 8 | 0x2 => 0x2, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 9 | 0x3 => 0x3, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 262 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 252 other patterns collectively make this unreachable [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/ascii/string.rs:62:43 [INFO] [stdout] | [INFO] [stdout] 58 | pub unsafe fn from_bytes_unchecked(bytes: I) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 62 | ASCII(String::from_utf8_unchecked(bytes.into_iter().collect())) [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] warning: unreachable pattern [INFO] [stdout] --> src/ebcdic.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ebcdic.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 6 | 0x0 => 0x0, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 7 | 0x1 => 0x1, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 8 | 0x2 => 0x2, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 9 | 0x3 => 0x3, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 262 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 252 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [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/ascii/string.rs:62:43 [INFO] [stdout] | [INFO] [stdout] 58 | pub unsafe fn from_bytes_unchecked(bytes: I) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 62 | ASCII(String::from_utf8_unchecked(bytes.into_iter().collect())) [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `encoding8` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `encoding8` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e780f9fafd46f82bb83d2eeff776b104394d0089f4903e6ad04338963fc5ac0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e780f9fafd46f82bb83d2eeff776b104394d0089f4903e6ad04338963fc5ac0b", kill_on_drop: false }` [INFO] [stdout] e780f9fafd46f82bb83d2eeff776b104394d0089f4903e6ad04338963fc5ac0b