[INFO] fetching crate coverage2lcov 0.1.0... [INFO] checking coverage2lcov-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate coverage2lcov 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate coverage2lcov 0.1.0 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 crates.io crate coverage2lcov 0.1.0 [INFO] finished tweaking crates.io crate coverage2lcov 0.1.0 [INFO] tweaked toml for crates.io crate coverage2lcov 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate coverage2lcov 0.1.0 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] 53868b4ce6da49619a59cddcb5467a05b997c7df0c9f00710998e53862706000 [INFO] running `Command { std: "docker" "start" "-a" "53868b4ce6da49619a59cddcb5467a05b997c7df0c9f00710998e53862706000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53868b4ce6da49619a59cddcb5467a05b997c7df0c9f00710998e53862706000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53868b4ce6da49619a59cddcb5467a05b997c7df0c9f00710998e53862706000", kill_on_drop: false }` [INFO] [stdout] 53868b4ce6da49619a59cddcb5467a05b997c7df0c9f00710998e53862706000 [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] 447ea209641e1c5bded8205d4c42f5077ffc0aace1b428c5e126e8ef4913f7fc [INFO] running `Command { std: "docker" "start" "-a" "447ea209641e1c5bded8205d4c42f5077ffc0aace1b428c5e126e8ef4913f7fc", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking coverage2lcov v0.1.0 (/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/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn read_lines
(filename: P) -> io::Result