[INFO] cloning repository https://github.com/Bhavik-Makwana/Advent-Of-Code-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bhavik-Makwana/Advent-Of-Code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBhavik-Makwana%2FAdvent-Of-Code-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBhavik-Makwana%2FAdvent-Of-Code-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3ca6a7254d1f73fb1914591f62fad7bd89dda6e [INFO] checking Bhavik-Makwana/Advent-Of-Code-2021/c3ca6a7254d1f73fb1914591f62fad7bd89dda6e 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%2FBhavik-Makwana%2FAdvent-Of-Code-2021" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bhavik-Makwana/Advent-Of-Code-2021 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/Bhavik-Makwana/Advent-Of-Code-2021 [INFO] finished tweaking git repo https://github.com/Bhavik-Makwana/Advent-Of-Code-2021 [INFO] tweaked toml for git repo https://github.com/Bhavik-Makwana/Advent-Of-Code-2021 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Bhavik-Makwana/Advent-Of-Code-2021 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] 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] 8441b452903f4107ddb05c6a34c4a6507187de5a16f1b1f88833c11145720126 [INFO] running `Command { std: "docker" "start" "-a" "8441b452903f4107ddb05c6a34c4a6507187de5a16f1b1f88833c11145720126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8441b452903f4107ddb05c6a34c4a6507187de5a16f1b1f88833c11145720126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8441b452903f4107ddb05c6a34c4a6507187de5a16f1b1f88833c11145720126", kill_on_drop: false }` [INFO] [stdout] 8441b452903f4107ddb05c6a34c4a6507187de5a16f1b1f88833c11145720126 [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] 65765e235cb45c3f0580abbcf8142fb7ddf7ef4cfb04586831016dbea65aa413 [INFO] running `Command { std: "docker" "start" "-a" "65765e235cb45c3f0580abbcf8142fb7ddf7ef4cfb04586831016dbea65aa413", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Compiling ndarray v0.8.4 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking queues v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking modinverse v0.1.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking calendar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ndarray::prelude::*` [INFO] [stdout] --> src/readfile.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::prelude::*` [INFO] [stdout] --> src/readfile.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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/readfile.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn read_lines
(filename: P) -> io::Result (filename: P) -> io::Result