[INFO] cloning repository https://github.com/JohnnyJayJay/mima [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnnyJayJay/mima" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnnyJayJay%2Fmima", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnnyJayJay%2Fmima'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7af282bc5cd4d5acfcaadae13e096915d86297ca [INFO] checking JohnnyJayJay/mima/7af282bc5cd4d5acfcaadae13e096915d86297ca against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnnyJayJay%2Fmima" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JohnnyJayJay/mima 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 git repo https://github.com/JohnnyJayJay/mima [INFO] finished tweaking git repo https://github.com/JohnnyJayJay/mima [INFO] tweaked toml for git repo https://github.com/JohnnyJayJay/mima written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JohnnyJayJay/mima 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ae5f03c91978a5b5a17b7a33b83f4218dae2ceae9526c115731d67d64eb79268 [INFO] running `Command { std: "docker" "start" "-a" "ae5f03c91978a5b5a17b7a33b83f4218dae2ceae9526c115731d67d64eb79268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae5f03c91978a5b5a17b7a33b83f4218dae2ceae9526c115731d67d64eb79268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae5f03c91978a5b5a17b7a33b83f4218dae2ceae9526c115731d67d64eb79268", kill_on_drop: false }` [INFO] [stdout] ae5f03c91978a5b5a17b7a33b83f4218dae2ceae9526c115731d67d64eb79268 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a02ba58650305b0a278c24445cca35995fe38e1116e1b145974d7ad273f42c4 [INFO] running `Command { std: "docker" "start" "-a" "1a02ba58650305b0a278c24445cca35995fe38e1116e1b145974d7ad273f42c4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Compiling enum-repr v0.2.6 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking mima-common v0.1.0 (/opt/rustwide/workdir/mima-common) [INFO] [stderr] Checking mima v0.1.0 (/opt/rustwide/workdir/mima) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> mima/src/debugger.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | Err(error) => { [INFO] [stdout] | ^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> mima/src/debugger.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | Err(error) => { [INFO] [stdout] | ^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [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] --> mima/src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 99 | fn write_to_output io::Result<()>>(file: Option<&mut File>, op: O) [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 100 | -> Result<(), String> { [INFO] [stdout] 101 | / (if let Some(file) = file { [INFO] [stdout] 102 | | op(file) [INFO] [stdout] 103 | | } else { [INFO] [stdout] 104 | | op(&mut io::stdout()) [INFO] [stdout] 105 | | }).map_err(|e| format!("Could not write to output: {}", e.to_string())) [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] --> mima/src/debugger.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 33 | let mut editor = Editor::<()>::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | breakpoints: HashSet::new(), [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] --> mima/src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 99 | fn write_to_output io::Result<()>>(file: Option<&mut File>, op: O) [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 100 | -> Result<(), String> { [INFO] [stdout] 101 | / (if let Some(file) = file { [INFO] [stdout] 102 | | op(file) [INFO] [stdout] 103 | | } else { [INFO] [stdout] 104 | | op(&mut io::stdout()) [INFO] [stdout] 105 | | }).map_err(|e| format!("Could not write to output: {}", e.to_string())) [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] --> mima/src/debugger.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 33 | let mut editor = Editor::<()>::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | breakpoints: HashSet::new(), [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: 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 `mima` (bin "mima") 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 `mima` (bin "mima" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1a02ba58650305b0a278c24445cca35995fe38e1116e1b145974d7ad273f42c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a02ba58650305b0a278c24445cca35995fe38e1116e1b145974d7ad273f42c4", kill_on_drop: false }` [INFO] [stdout] 1a02ba58650305b0a278c24445cca35995fe38e1116e1b145974d7ad273f42c4