[INFO] updating cached repository https://github.com/chriskonstad/arty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2fc82dcbdf858f6027ef205f4344f520172f1c8d [INFO] checking chriskonstad/arty/2fc82dcbdf858f6027ef205f4344f520172f1c8d 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%2Fchriskonstad%2Farty" "/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/chriskonstad/arty 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/chriskonstad/arty [INFO] finished tweaking git repo https://github.com/chriskonstad/arty [INFO] tweaked toml for git repo https://github.com/chriskonstad/arty written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chriskonstad/arty 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] Blocking waiting for file lock on package cache [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] 5f82434466b7b9eaeec6dc7dca015ca98bd62b4d68a00a0321950d8298d9507e [INFO] running `Command { std: "docker" "start" "-a" "5f82434466b7b9eaeec6dc7dca015ca98bd62b4d68a00a0321950d8298d9507e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f82434466b7b9eaeec6dc7dca015ca98bd62b4d68a00a0321950d8298d9507e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f82434466b7b9eaeec6dc7dca015ca98bd62b4d68a00a0321950d8298d9507e", kill_on_drop: false }` [INFO] [stdout] 5f82434466b7b9eaeec6dc7dca015ca98bd62b4d68a00a0321950d8298d9507e [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] efc50f7b04b0c9510fe37f7746ba642caead77d9b2c301cc9570f13b50a4f1db [INFO] running `Command { std: "docker" "start" "-a" "efc50f7b04b0c9510fe37f7746ba642caead77d9b2c301cc9570f13b50a4f1db", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling anyhow v1.0.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking rustyline v5.0.4 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Checking structopt v0.3.3 [INFO] [stderr] Checking arty 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:495:38 [INFO] [stdout] | [INFO] [stdout] 495 | #[structopt(parse(try_from_str = parse_coords))] [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:499:38 [INFO] [stdout] | [INFO] [stdout] 499 | #[structopt(parse(try_from_str = parse_heading))] [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | struct Mils(f64); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Mils` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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:495:38 [INFO] [stdout] | [INFO] [stdout] 495 | #[structopt(parse(try_from_str = parse_coords))] [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:499:38 [INFO] [stdout] | [INFO] [stdout] 499 | #[structopt(parse(try_from_str = parse_heading))] [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] [stderr] error: could not compile `arty` (bin "arty" test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arty` (bin "arty") due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "efc50f7b04b0c9510fe37f7746ba642caead77d9b2c301cc9570f13b50a4f1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efc50f7b04b0c9510fe37f7746ba642caead77d9b2c301cc9570f13b50a4f1db", kill_on_drop: false }` [INFO] [stdout] efc50f7b04b0c9510fe37f7746ba642caead77d9b2c301cc9570f13b50a4f1db