[INFO] fetching crate lines_from_file 0.1.2...
[INFO] checking lines_from_file-0.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate lines_from_file 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lines_from_file 0.1.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lines_from_file 0.1.2
[INFO] finished tweaking crates.io crate lines_from_file 0.1.2
[INFO] tweaked toml for crates.io crate lines_from_file 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c85ad229c548c7b03fd4b8a1ff400fbe487f0afa06ef31f2e2110fb911cef444
[INFO] running `Command { std: "docker" "start" "-a" "c85ad229c548c7b03fd4b8a1ff400fbe487f0afa06ef31f2e2110fb911cef444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85ad229c548c7b03fd4b8a1ff400fbe487f0afa06ef31f2e2110fb911cef444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85ad229c548c7b03fd4b8a1ff400fbe487f0afa06ef31f2e2110fb911cef444", kill_on_drop: false }`
[INFO] [stdout] c85ad229c548c7b03fd4b8a1ff400fbe487f0afa06ef31f2e2110fb911cef444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615a0a6604ee74a050600ccb71c1c9fe21588aed4e76ff40fea0bf355de37a48
[INFO] running `Command { std: "docker" "start" "-a" "615a0a6604ee74a050600ccb71c1c9fe21588aed4e76ff40fea0bf355de37a48", kill_on_drop: false }`
[INFO] [stderr]     Checking lines_from_file v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "615a0a6604ee74a050600ccb71c1c9fe21588aed4e76ff40fea0bf355de37a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615a0a6604ee74a050600ccb71c1c9fe21588aed4e76ff40fea0bf355de37a48", kill_on_drop: false }`
[INFO] [stdout] 615a0a6604ee74a050600ccb71c1c9fe21588aed4e76ff40fea0bf355de37a48
[INFO] checking lines_from_file-0.1.2 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate lines_from_file 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lines_from_file 0.1.2 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lines_from_file 0.1.2
[INFO] finished tweaking crates.io crate lines_from_file 0.1.2
[INFO] tweaked toml for crates.io crate lines_from_file 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b56814e68e8de2be86261bf0dcab87f1c13d41ec22c76592012c14398a09290b
[INFO] running `Command { std: "docker" "start" "-a" "b56814e68e8de2be86261bf0dcab87f1c13d41ec22c76592012c14398a09290b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56814e68e8de2be86261bf0dcab87f1c13d41ec22c76592012c14398a09290b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56814e68e8de2be86261bf0dcab87f1c13d41ec22c76592012c14398a09290b", kill_on_drop: false }`
[INFO] [stdout] b56814e68e8de2be86261bf0dcab87f1c13d41ec22c76592012c14398a09290b
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95733305a4a9094a4a83dfac1dbe4de22b0973dc36ad2881fbb7a7fb9db1a621
[INFO] running `Command { std: "docker" "start" "-a" "95733305a4a9094a4a83dfac1dbe4de22b0973dc36ad2881fbb7a7fb9db1a621", kill_on_drop: false }`
[INFO] [stderr]     Checking lines_from_file v0.1.2 (/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/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn lines_from_file(filename: impl AsRef<Path>) -> Vec<String> {
[INFO] [stdout]    |                          -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |       let file = File::open(filename).expect("no such file");
[INFO] [stdout]    |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |       let buf = BufReader::new(file);
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 | /     buf.lines()
[INFO] [stdout] 21 | |         .map(|l| l.expect("Could not parse line"))
[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/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn lines_from_file(filename: impl AsRef<Path>) -> Vec<String> {
[INFO] [stdout]    |                          -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |       let file = File::open(filename).expect("no such file");
[INFO] [stdout]    |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |       let buf = BufReader::new(file);
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 | /     buf.lines()
[INFO] [stdout] 21 | |         .map(|l| l.expect("Could not parse line"))
[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 `lines_from_file` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lines_from_file` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "95733305a4a9094a4a83dfac1dbe4de22b0973dc36ad2881fbb7a7fb9db1a621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95733305a4a9094a4a83dfac1dbe4de22b0973dc36ad2881fbb7a7fb9db1a621", kill_on_drop: false }`
[INFO] [stdout] 95733305a4a9094a4a83dfac1dbe4de22b0973dc36ad2881fbb7a7fb9db1a621