[INFO] fetching crate mdrend-learning-project-not-for-public-use 0.1.0...
[INFO] checking mdrend-learning-project-not-for-public-use-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate mdrend-learning-project-not-for-public-use 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mdrend-learning-project-not-for-public-use 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 mdrend-learning-project-not-for-public-use 0.1.0
[INFO] finished tweaking crates.io crate mdrend-learning-project-not-for-public-use 0.1.0
[INFO] tweaked toml for crates.io crate mdrend-learning-project-not-for-public-use 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdrend-learning-project-not-for-public-use 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb313f672505dbe85bc97f5d94d0f6ad2db36ef9c27157d10048c29ffedaace2
[INFO] running `Command { std: "docker" "start" "-a" "eb313f672505dbe85bc97f5d94d0f6ad2db36ef9c27157d10048c29ffedaace2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb313f672505dbe85bc97f5d94d0f6ad2db36ef9c27157d10048c29ffedaace2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb313f672505dbe85bc97f5d94d0f6ad2db36ef9c27157d10048c29ffedaace2", kill_on_drop: false }`
[INFO] [stdout] eb313f672505dbe85bc97f5d94d0f6ad2db36ef9c27157d10048c29ffedaace2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a487cf0fdb8ac0c4138ba245725d13de8847f5c38f69efa3d6becbb23d6ed761
[INFO] running `Command { std: "docker" "start" "-a" "a487cf0fdb8ac0c4138ba245725d13de8847f5c38f69efa3d6becbb23d6ed761", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling maud_macros v0.22.0
[INFO] [stderr]     Checking maud v0.22.0
[INFO] [stderr]     Checking mdrend-learning-project-not-for-public-use 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/main.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut file = match File::create(&path) {
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 69 |         Err(why) => panic!("couldn't create {}: {}", display, why),
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 70 |         Ok(file) => file,
[INFO] [stdout]    |            ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 74 |     match file.write_all(html.as_bytes()) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/main.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut file = match File::create(&path) {
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 69 |         Err(why) => panic!("couldn't create {}: {}", display, why),
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 70 |         Ok(file) => file,
[INFO] [stdout]    |            ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 74 |     match file.write_all(html.as_bytes()) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdrend-learning-project-not-for-public-use` (bin "mdrend-learning-project-not-for-public-use") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mdrend-learning-project-not-for-public-use` (bin "mdrend-learning-project-not-for-public-use" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a487cf0fdb8ac0c4138ba245725d13de8847f5c38f69efa3d6becbb23d6ed761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a487cf0fdb8ac0c4138ba245725d13de8847f5c38f69efa3d6becbb23d6ed761", kill_on_drop: false }`
[INFO] [stdout] a487cf0fdb8ac0c4138ba245725d13de8847f5c38f69efa3d6becbb23d6ed761