[INFO] cloning repository https://github.com/carneeki/trainset [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carneeki/trainset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarneeki%2Ftrainset", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarneeki%2Ftrainset'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a293fc3dece49001026227ba10c66edd78832755 [INFO] checking carneeki/trainset/a293fc3dece49001026227ba10c66edd78832755 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%2Fcarneeki%2Ftrainset" "/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/carneeki/trainset 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/carneeki/trainset [INFO] finished tweaking git repo https://github.com/carneeki/trainset [INFO] tweaked toml for git repo https://github.com/carneeki/trainset written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/carneeki/trainset 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] 063602192d40f8ea821740a8524c7909da3052c9a7c9df416eac7ddd1cb025e8 [INFO] running `Command { std: "docker" "start" "-a" "063602192d40f8ea821740a8524c7909da3052c9a7c9df416eac7ddd1cb025e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "063602192d40f8ea821740a8524c7909da3052c9a7c9df416eac7ddd1cb025e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "063602192d40f8ea821740a8524c7909da3052c9a7c9df416eac7ddd1cb025e8", kill_on_drop: false }` [INFO] [stdout] 063602192d40f8ea821740a8524c7909da3052c9a7c9df416eac7ddd1cb025e8 [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] 5e3141425f33fb88339f2ba30d0847a98e0e7d381ca5270e1dcc9839217e0f5e [INFO] running `Command { std: "docker" "start" "-a" "5e3141425f33fb88339f2ba30d0847a98e0e7d381ca5270e1dcc9839217e0f5e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking itertools v0.7.4 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Compiling sqlite3-src v0.2.9 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Checking meval v0.1.0 [INFO] [stderr] Checking sqlite3-sys v0.12.0 [INFO] [stderr] Checking sqlite v0.23.9 [INFO] [stderr] Checking trainset v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lookup` is never used [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn lookup(m_opts: clap::ArgMatches) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gears_from_file` is never used [INFO] [stdout] --> src/main.rs:184:4 [INFO] [stdout] | [INFO] [stdout] 184 | fn gears_from_file

(filename: P) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ratios_from_file` is never used [INFO] [stdout] --> src/main.rs:196:4 [INFO] [stdout] | [INFO] [stdout] 196 | fn ratios_from_file

(filename: P) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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:190:5 [INFO] [stdout] | [INFO] [stdout] 184 | fn gears_from_file

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 188 | 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] 189 | let gears = BufReader::new(file); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 190 | / gears.lines() [INFO] [stdout] 191 | | .map(|l| l.expect("could not parse line")) [INFO] [stdout] 192 | | .map(|l| l.parse::().unwrap()) [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:203:5 [INFO] [stdout] | [INFO] [stdout] 196 | fn ratios_from_file

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 201 | 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] 202 | let ratios = BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 203 | / ratios.lines() [INFO] [stdout] 204 | | .map(|l| l.expect("could not parse line")) [INFO] [stdout] 205 | | .map(|l| match eval_str(l) [INFO] [stdout] 206 | | { [INFO] [stdout] 207 | | Ok(v) => v, [INFO] [stdout] 208 | | Err(e) => panic!("{:?}", e) [INFO] [stdout] 209 | | }) [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `trainset` (bin "trainset" test) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `lookup` is never used [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn lookup(m_opts: clap::ArgMatches) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gears_from_file` is never used [INFO] [stdout] --> src/main.rs:184:4 [INFO] [stdout] | [INFO] [stdout] 184 | fn gears_from_file

(filename: P) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ratios_from_file` is never used [INFO] [stdout] --> src/main.rs:196:4 [INFO] [stdout] | [INFO] [stdout] 196 | fn ratios_from_file

(filename: P) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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:190:5 [INFO] [stdout] | [INFO] [stdout] 184 | fn gears_from_file

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 188 | 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] 189 | let gears = BufReader::new(file); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 190 | / gears.lines() [INFO] [stdout] 191 | | .map(|l| l.expect("could not parse line")) [INFO] [stdout] 192 | | .map(|l| l.parse::().unwrap()) [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:203:5 [INFO] [stdout] | [INFO] [stdout] 196 | fn ratios_from_file

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 201 | 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] 202 | let ratios = BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 203 | / ratios.lines() [INFO] [stdout] 204 | | .map(|l| l.expect("could not parse line")) [INFO] [stdout] 205 | | .map(|l| match eval_str(l) [INFO] [stdout] 206 | | { [INFO] [stdout] 207 | | Ok(v) => v, [INFO] [stdout] 208 | | Err(e) => panic!("{:?}", e) [INFO] [stdout] 209 | | }) [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `trainset` (bin "trainset") due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5e3141425f33fb88339f2ba30d0847a98e0e7d381ca5270e1dcc9839217e0f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e3141425f33fb88339f2ba30d0847a98e0e7d381ca5270e1dcc9839217e0f5e", kill_on_drop: false }` [INFO] [stdout] 5e3141425f33fb88339f2ba30d0847a98e0e7d381ca5270e1dcc9839217e0f5e