[INFO] cloning repository https://github.com/alexwennerberg/crabmail [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexwennerberg/crabmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexwennerberg%2Fcrabmail", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexwennerberg%2Fcrabmail'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d28fc9fb89ff2db9316ee032efb37a7f4c47a77 [INFO] checking alexwennerberg/crabmail/4d28fc9fb89ff2db9316ee032efb37a7f4c47a77 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%2Falexwennerberg%2Fcrabmail" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alexwennerberg/crabmail 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/alexwennerberg/crabmail [INFO] finished tweaking git repo https://github.com/alexwennerberg/crabmail [INFO] tweaked toml for git repo https://github.com/alexwennerberg/crabmail written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/alexwennerberg/crabmail 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0da9b97a104ade76b98c950d162b996bd41bd52f5410f28272120f812831c107 [INFO] running `Command { std: "docker" "start" "-a" "0da9b97a104ade76b98c950d162b996bd41bd52f5410f28272120f812831c107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0da9b97a104ade76b98c950d162b996bd41bd52f5410f28272120f812831c107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0da9b97a104ade76b98c950d162b996bd41bd52f5410f28272120f812831c107", kill_on_drop: false }` [INFO] [stdout] 0da9b97a104ade76b98c950d162b996bd41bd52f5410f28272120f812831c107 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 42fc949f99c3d3b20932c57cf797808745ee7d10b2d21d093bbefaf7f53a15e7 [INFO] running `Command { std: "docker" "start" "-a" "42fc949f99c3d3b20932c57cf797808745ee7d10b2d21d093bbefaf7f53a15e7", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling anyhow v1.0.82 [INFO] [stderr] Checking mail-builder v0.1.3 (https://github.com/alexwennerberg/mail-builder#f276c362) [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking mail-parser v0.8.2 [INFO] [stderr] Checking linkify v0.8.1 [INFO] [stderr] Checking crabmail v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `RfcHeader` [INFO] [stdout] --> src/models.rs:5:70 [INFO] [stdout] | [INFO] [stdout] 5 | use mail_parser::{Addr, DateTime, HeaderValue, MimeHeaders, Message, RfcHeader}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RfcHeader` [INFO] [stdout] --> src/models.rs:5:70 [INFO] [stdout] | [INFO] [stdout] 5 | use mail_parser::{Addr, DateTime, HeaderValue, MimeHeaders, Message, RfcHeader}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `a` and `no_index` are never read [INFO] [stdout] --> src/arg.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | pub a: i32, // placeholder [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub no_index: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/threading.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Msg { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 16 | pub id: MessageId, [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/arg.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | .and_then(|a| a.parse().ok()) [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/maildir.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 81 | let iter_new = file_iter(path.join("new"))?.map(parse_new); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 82 | let iter_cur = file_iter(path.join("cur"))?.map(parse_cur); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | [INFO] [stdout] 84 | Ok(iter_new.chain(iter_cur)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crabmail` (bin "crabmail") due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `a` and `no_index` are never read [INFO] [stdout] --> src/arg.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | pub a: i32, // placeholder [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub no_index: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/threading.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Msg { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 16 | pub id: MessageId, [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/arg.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | .and_then(|a| a.parse().ok()) [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/maildir.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 81 | let iter_new = file_iter(path.join("new"))?.map(parse_new); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 82 | let iter_cur = file_iter(path.join("cur"))?.map(parse_cur); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | [INFO] [stdout] 84 | Ok(iter_new.chain(iter_cur)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crabmail` (bin "crabmail" test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "42fc949f99c3d3b20932c57cf797808745ee7d10b2d21d093bbefaf7f53a15e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42fc949f99c3d3b20932c57cf797808745ee7d10b2d21d093bbefaf7f53a15e7", kill_on_drop: false }` [INFO] [stdout] 42fc949f99c3d3b20932c57cf797808745ee7d10b2d21d093bbefaf7f53a15e7