[INFO] cloning repository https://github.com/ShafiqIslam/rustup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShafiqIslam/rustup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShafiqIslam%2Frustup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShafiqIslam%2Frustup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b94bec0019f385f9ab178cb773586be628d3b55
[INFO] checking ShafiqIslam/rustup/4b94bec0019f385f9ab178cb773586be628d3b55 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%2FShafiqIslam%2Frustup" "/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/ShafiqIslam/rustup 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/ShafiqIslam/rustup
[INFO] finished tweaking git repo https://github.com/ShafiqIslam/rustup
[INFO] tweaked toml for git repo https://github.com/ShafiqIslam/rustup written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ShafiqIslam/rustup 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] 43aabbf7b34350f9b25543b3cd30fa1f4fd9043dfcb3d76ce425ae8a4ef400c6
[INFO] running `Command { std: "docker" "start" "-a" "43aabbf7b34350f9b25543b3cd30fa1f4fd9043dfcb3d76ce425ae8a4ef400c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43aabbf7b34350f9b25543b3cd30fa1f4fd9043dfcb3d76ce425ae8a4ef400c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aabbf7b34350f9b25543b3cd30fa1f4fd9043dfcb3d76ce425ae8a4ef400c6", kill_on_drop: false }`
[INFO] [stdout] 43aabbf7b34350f9b25543b3cd30fa1f4fd9043dfcb3d76ce425ae8a4ef400c6
[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] ac88b2f4b12105fc8a5d9d5e6569ea1ce9fa27251896f4ccf875663186e12200
[INFO] running `Command { std: "docker" "start" "-a" "ac88b2f4b12105fc8a5d9d5e6569ea1ce9fa27251896f4ccf875663186e12200", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking e_testing v0.1.0 (/opt/rustwide/workdir/e_testing)
[INFO] [stderr]     Checking b_hello_cargo v0.1.0 (/opt/rustwide/workdir/b_hello_cargo)
[INFO] [stderr]     Checking d_basics v0.1.0 (/opt/rustwide/workdir/d_basics)
[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]   --> d_basics/src/chapters/error_handling.rs:76:11
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let username_file_result = File::open("hello.txt");
[INFO] [stdout]    |         -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |
[INFO] [stdout] 69 |     let mut username_file = match username_file_result {
[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] 71 |         Err(e) => return Err(e),
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 76 |     match username_file.read_to_string(&mut username) {
[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]   --> d_basics/src/chapters/error_handling.rs:76:11
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let username_file_result = File::open("hello.txt");
[INFO] [stdout]    |         -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |
[INFO] [stdout] 69 |     let mut username_file = match username_file_result {
[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] 71 |         Err(e) => return Err(e),
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 76 |     match username_file.read_to_string(&mut username) {
[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 `d_basics` (bin "d_basics" test) 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 `d_basics` (bin "d_basics") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ac88b2f4b12105fc8a5d9d5e6569ea1ce9fa27251896f4ccf875663186e12200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac88b2f4b12105fc8a5d9d5e6569ea1ce9fa27251896f4ccf875663186e12200", kill_on_drop: false }`
[INFO] [stdout] ac88b2f4b12105fc8a5d9d5e6569ea1ce9fa27251896f4ccf875663186e12200