[INFO] fetching crate ttycommand 0.1.0... [INFO] checking ttycommand-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ttycommand 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ttycommand 0.1.0 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 ttycommand 0.1.0 [INFO] finished tweaking crates.io crate ttycommand 0.1.0 [INFO] tweaked toml for crates.io crate ttycommand 0.1.0 written to /workspace/builds/worker-1-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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 74 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding nix v0.25.1 (latest: v0.29.0) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.19) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.3) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] 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-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4182c0256ac7dc2ed544f8be72a2ae985848c43c97f0247acde98a6ccb7424d [INFO] running `Command { std: "docker" "start" "-a" "e4182c0256ac7dc2ed544f8be72a2ae985848c43c97f0247acde98a6ccb7424d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4182c0256ac7dc2ed544f8be72a2ae985848c43c97f0247acde98a6ccb7424d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4182c0256ac7dc2ed544f8be72a2ae985848c43c97f0247acde98a6ccb7424d", kill_on_drop: false }` [INFO] [stdout] e4182c0256ac7dc2ed544f8be72a2ae985848c43c97f0247acde98a6ccb7424d [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 314ac3209d9adc0180788f02316bde1eb654a4a728f08d428d83f33c0e2040f3 [INFO] running `Command { std: "docker" "start" "-a" "314ac3209d9adc0180788f02316bde1eb654a4a728f08d428d83f33c0e2040f3", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking nix v0.25.1 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking which v4.4.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-fd v0.3.0 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking ttycommand v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/lib.rs:144:48 [INFO] [stdout] | [INFO] [stdout] 144 | ... WaitStatus::Exited(pid, return_code) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/lib.rs:150:50 [INFO] [stdout] | [INFO] [stdout] 150 | ... WaitStatus::Signaled(pid, signal, _) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/lib.rs:144:48 [INFO] [stdout] | [INFO] [stdout] 144 | ... WaitStatus::Exited(pid, return_code) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/lib.rs:150:50 [INFO] [stdout] | [INFO] [stdout] 150 | ... WaitStatus::Signaled(pid, signal, _) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [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/lib.rs:33:39 [INFO] [stdout] | [INFO] [stdout] 33 | let output = input.iter().map(|s| str2cstring(s).unwrap()).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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:33:39 [INFO] [stdout] | [INFO] [stdout] 33 | let output = input.iter().map(|s| str2cstring(s).unwrap()).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] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ttycommand` (lib test) 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 `ttycommand` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "314ac3209d9adc0180788f02316bde1eb654a4a728f08d428d83f33c0e2040f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "314ac3209d9adc0180788f02316bde1eb654a4a728f08d428d83f33c0e2040f3", kill_on_drop: false }` [INFO] [stdout] 314ac3209d9adc0180788f02316bde1eb654a4a728f08d428d83f33c0e2040f3