[INFO] fetching crate spr 1.3.4...
[INFO] checking spr-1.3.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate spr 1.3.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate spr 1.3.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spr 1.3.4
[INFO] finished tweaking crates.io crate spr 1.3.4
[INFO] tweaked toml for crates.io crate spr 1.3.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate spr 1.3.4 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f30bca22a0dbdf300b3458a7a697753c3b336dff26ab6d755c974bd87da8bb99
[INFO] running `Command { std: "docker" "start" "-a" "f30bca22a0dbdf300b3458a7a697753c3b336dff26ab6d755c974bd87da8bb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f30bca22a0dbdf300b3458a7a697753c3b336dff26ab6d755c974bd87da8bb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30bca22a0dbdf300b3458a7a697753c3b336dff26ab6d755c974bd87da8bb99", kill_on_drop: false }`
[INFO] [stdout] f30bca22a0dbdf300b3458a7a697753c3b336dff26ab6d755c974bd87da8bb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77d14f76baf30d7556e6913116a8b1875a94c2652e98b4406fd4aaa58f7b298
[INFO] running `Command { std: "docker" "start" "-a" "b77d14f76baf30d7556e6913116a8b1875a94c2652e98b4406fd4aaa58f7b298", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling hyperx v1.4.0
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking pem v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling snafu-derive v0.7.1
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling graphql-parser v0.4.0
[INFO] [stderr]     Checking simple_asn1 v0.6.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.3.0
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]     Checking snafu v0.7.1
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking lazy-regex v2.3.0
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking jsonwebtoken v8.1.1
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]    Compiling graphql-introspection-query v0.2.0
[INFO] [stderr]    Compiling graphql_client_codegen v0.11.0
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking octocrab v0.16.0
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]    Compiling graphql_query_derive v0.11.0
[INFO] [stderr]     Checking graphql_client v0.11.0
[INFO] [stderr]     Checking spr v1.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::sync::MutexGuard<'_, git2::Repository>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/git.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn write_index(&self, mut index: git2::Index) -> Result<Oid> {
[INFO] [stdout]     |                               --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 356 |         Ok(index.write_tree_to(&*self.repo())?)
[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: this value of type `std::sync::MutexGuard<'_, git2::Repository>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/git.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn write_index(&self, mut index: git2::Index) -> Result<Oid> {
[INFO] [stdout]     |                               --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 356 |         Ok(index.write_tree_to(&*self.repo())?)
[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] [stderr] error: could not compile `spr` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spr` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b77d14f76baf30d7556e6913116a8b1875a94c2652e98b4406fd4aaa58f7b298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77d14f76baf30d7556e6913116a8b1875a94c2652e98b4406fd4aaa58f7b298", kill_on_drop: false }`
[INFO] [stdout] b77d14f76baf30d7556e6913116a8b1875a94c2652e98b4406fd4aaa58f7b298