[INFO] cloning repository https://github.com/cbiffle/uf2l [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/uf2l" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c983c9931a0170fbffa491f1207a74a1e532ba1a [INFO] checking cbiffle/uf2l/c983c9931a0170fbffa491f1207a74a1e532ba1a 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%2Fcbiffle%2Fuf2l" "/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/cbiffle/uf2l 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/cbiffle/uf2l [INFO] finished tweaking git repo https://github.com/cbiffle/uf2l [INFO] tweaked toml for git repo https://github.com/cbiffle/uf2l written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cbiffle/uf2l 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] 549861db3a9302cac06706164f1547c1dd6075f236f03d73a686c6265e6d3b81 [INFO] running `Command { std: "docker" "start" "-a" "549861db3a9302cac06706164f1547c1dd6075f236f03d73a686c6265e6d3b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "549861db3a9302cac06706164f1547c1dd6075f236f03d73a686c6265e6d3b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "549861db3a9302cac06706164f1547c1dd6075f236f03d73a686c6265e6d3b81", kill_on_drop: false }` [INFO] [stdout] 549861db3a9302cac06706164f1547c1dd6075f236f03d73a686c6265e6d3b81 [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] 6f7515ad5b306c5ef5566128673b5e55051beda3faffabb9edef258949e5dcc5 [INFO] running `Command { std: "docker" "start" "-a" "6f7515ad5b306c5ef5566128673b5e55051beda3faffabb9edef258949e5dcc5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.93 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling sysinfo v0.23.12 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking once_cell v1.11.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling scroll_derive v0.11.0 [INFO] [stderr] Compiling zerocopy-derive v0.3.1 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking scroll v0.11.0 [INFO] [stderr] Checking zerocopy v0.6.1 [INFO] [stderr] Checking goblin v0.5.1 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Compiling uf2l v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `global` [INFO] [stdout] --> src/main.rs:643:5 [INFO] [stdout] | [INFO] [stdout] 643 | global: &GlobalFlags, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `global` [INFO] [stdout] --> src/main.rs:643:5 [INFO] [stdout] | [INFO] [stdout] 643 | global: &GlobalFlags, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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/main.rs:109:60 [INFO] [stdout] | [INFO] [stdout] 109 | #[clap(long, default_value = "0", parse(try_from_str = parse_u8))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/main.rs:119:30 [INFO] [stdout] | [INFO] [stdout] 119 | parse(try_from_str = parse_family), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `uf2l` (bin "uf2l") due to 3 previous errors; 1 warning emitted [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:109:60 [INFO] [stdout] | [INFO] [stdout] 109 | #[clap(long, default_value = "0", parse(try_from_str = parse_u8))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:119:30 [INFO] [stdout] | [INFO] [stdout] 119 | parse(try_from_str = parse_family), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `uf2l` (bin "uf2l" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6f7515ad5b306c5ef5566128673b5e55051beda3faffabb9edef258949e5dcc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f7515ad5b306c5ef5566128673b5e55051beda3faffabb9edef258949e5dcc5", kill_on_drop: false }` [INFO] [stdout] 6f7515ad5b306c5ef5566128673b5e55051beda3faffabb9edef258949e5dcc5