[INFO] cloning repository https://github.com/bitfield/tsr-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitfield/tsr-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitfield%2Ftsr-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitfield%2Ftsr-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87f50aaa06cc14caf37e7878d0fbd1fea3f93a31
[INFO] checking bitfield/tsr-tools/87f50aaa06cc14caf37e7878d0fbd1fea3f93a31 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%2Fbitfield%2Ftsr-tools" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitfield/tsr-tools 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/bitfield/tsr-tools
[INFO] finished tweaking git repo https://github.com/bitfield/tsr-tools
[INFO] tweaked toml for git repo https://github.com/bitfield/tsr-tools written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bitfield/tsr-tools 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] 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] a519da36171670ee3b1c3ab592732ce48af998ca38e76a2573fc469472a01ed6
[INFO] running `Command { std: "docker" "start" "-a" "a519da36171670ee3b1c3ab592732ce48af998ca38e76a2573fc469472a01ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a519da36171670ee3b1c3ab592732ce48af998ca38e76a2573fc469472a01ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a519da36171670ee3b1c3ab592732ce48af998ca38e76a2573fc469472a01ed6", kill_on_drop: false }`
[INFO] [stdout] a519da36171670ee3b1c3ab592732ce48af998ca38e76a2573fc469472a01ed6
[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] 73abfa4f883c8b5d1ab5500fe0744023b80124f16fda8821d6048b3a122319a9
[INFO] running `Command { std: "docker" "start" "-a" "73abfa4f883c8b5d1ab5500fe0744023b80124f16fda8821d6048b3a122319a9", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking counter_5 v0.1.0 (/opt/rustwide/workdir/counter_5)
[INFO] [stderr]     Checking counter_3 v0.1.0 (/opt/rustwide/workdir/counter_3)
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking counter_2 v0.1.0 (/opt/rustwide/workdir/counter_2)
[INFO] [stderr]     Checking counter_4 v0.1.0 (/opt/rustwide/workdir/counter_4)
[INFO] [stderr]     Checking hello_2 v0.1.0 (/opt/rustwide/workdir/hello_2)
[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]  --> counter_2/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn count_lines(input: impl Read) -> usize {
[INFO] [stdout]   |                    ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 4 |     let reader = BufReader::new(input);
[INFO] [stdout]   |         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 5 |     reader.lines().count()
[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]     Checking hello_3 v0.1.0 (/opt/rustwide/workdir/hello_3)
[INFO] [stderr] error: could not compile `counter_2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> hello_3/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     writeln!(w, "Hello, world!");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73abfa4f883c8b5d1ab5500fe0744023b80124f16fda8821d6048b3a122319a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73abfa4f883c8b5d1ab5500fe0744023b80124f16fda8821d6048b3a122319a9", kill_on_drop: false }`
[INFO] [stdout] 73abfa4f883c8b5d1ab5500fe0744023b80124f16fda8821d6048b3a122319a9