[INFO] fetching crate diffmetrik 0.3.0... [INFO] checking diffmetrik-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate diffmetrik 0.3.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate diffmetrik 0.3.0 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 diffmetrik 0.3.0 [INFO] finished tweaking crates.io crate diffmetrik 0.3.0 [INFO] tweaked toml for crates.io crate diffmetrik 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate diffmetrik 0.3.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 999ad21b5f3e0a92ad61ded421a4ed3a09ffac0eb8adbfe051cb6763b17c523a [INFO] running `Command { std: "docker" "start" "-a" "999ad21b5f3e0a92ad61ded421a4ed3a09ffac0eb8adbfe051cb6763b17c523a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "999ad21b5f3e0a92ad61ded421a4ed3a09ffac0eb8adbfe051cb6763b17c523a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "999ad21b5f3e0a92ad61ded421a4ed3a09ffac0eb8adbfe051cb6763b17c523a", kill_on_drop: false }` [INFO] [stdout] 999ad21b5f3e0a92ad61ded421a4ed3a09ffac0eb8adbfe051cb6763b17c523a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c399e5d47cee606a4aca7f294b72d95b9559d4a0e8eec82e53d177c30f9606f3 [INFO] running `Command { std: "docker" "start" "-a" "c399e5d47cee606a4aca7f294b72d95b9559d4a0e8eec82e53d177c30f9606f3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking human_format v1.0.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking backtrace v0.3.41 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking sysctl v0.4.0 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Checking structopt v0.3.7 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking diffmetrik v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 260 - .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] 260 + .map(|line| LinuxProcNetDevLine::new(line)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 259 - .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] 259 + .filter(|line| line.starts_with("eth")) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:258:14 [INFO] [stdout] | [INFO] [stdout] 258 | .map({ |line| line.trim() }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 258 - .map({ |line| line.trim() }) [INFO] [stdout] 258 + .map(|line| line.trim()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/mod.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 63 - metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] 63 + metrics.sort_unstable_by_key(|a| a.time); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 260 - .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] 260 + .map(|line| LinuxProcNetDevLine::new(line)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 259 - .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] 259 + .filter(|line| line.starts_with("eth")) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:258:14 [INFO] [stdout] | [INFO] [stdout] 258 | .map({ |line| line.trim() }) [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 258 - .map({ |line| line.trim() }) [INFO] [stdout] 258 + .map(|line| line.trim()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/mod.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 63 - metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] 63 + metrics.sort_unstable_by_key(|a| a.time); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `daemon` is never read [INFO] [stdout] --> src/cli/mod.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub daemon: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/metrics/network.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | struct LinuxProcNetDevLine { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 201 | iface: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | rx_bytes: u64, [INFO] [stdout] 203 | rx_packets: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 204 | rx_errors: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 205 | rx_dropped_missed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 206 | rx_fifo_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 207 | rx_length_over_ctc_frame_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 208 | rx_compressed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 209 | multicast: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 210 | tx_bytes: u64, [INFO] [stdout] 211 | tx_packets: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 212 | tx_errors: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 213 | tx_dropped: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 214 | tx_fifo_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 215 | collisions: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 216 | tx_carrier_aborted_window_heartbeat_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 217 | tx_compressed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LinuxProcNetDevLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/storage/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 18 | IO { [INFO] [stdout] | -- field in this variant [INFO] [stdout] 19 | source: std::io::Error, [INFO] [stdout] 20 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StorageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/storage/mod.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 87 | let file = File::open(path).map_err(|e| StorageError::IO { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 96 | let mut reader = BufReader::new(&file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 111 | / serde_json::from_str::>(&buf) [INFO] [stdout] 112 | | .map(|t| t.payload) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_______________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `diffmetrik` (bin "diffmetrik") due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `daemon` is never read [INFO] [stdout] --> src/cli/mod.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub daemon: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/metrics/network.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | struct LinuxProcNetDevLine { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 201 | iface: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | rx_bytes: u64, [INFO] [stdout] 203 | rx_packets: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 204 | rx_errors: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 205 | rx_dropped_missed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 206 | rx_fifo_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 207 | rx_length_over_ctc_frame_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 208 | rx_compressed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 209 | multicast: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 210 | tx_bytes: u64, [INFO] [stdout] 211 | tx_packets: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 212 | tx_errors: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 213 | tx_dropped: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 214 | tx_fifo_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 215 | collisions: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 216 | tx_carrier_aborted_window_heartbeat_errors: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 217 | tx_compressed: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LinuxProcNetDevLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/storage/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 18 | IO { [INFO] [stdout] | -- field in this variant [INFO] [stdout] 19 | source: std::io::Error, [INFO] [stdout] 20 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StorageError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/storage/mod.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 87 | let file = File::open(path).map_err(|e| StorageError::IO { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 96 | let mut reader = BufReader::new(&file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 111 | / serde_json::from_str::>(&buf) [INFO] [stdout] 112 | | .map(|t| t.payload) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_______________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:226:38 [INFO] [stdout] | [INFO] [stdout] 226 | Err(e) => assert!(false, format!("error resetting file: {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 226 - Err(e) => assert!(false, format!("error resetting file: {}", e)), [INFO] [stdout] 226 + Err(e) => assert!(false, "error resetting file: {}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:249:38 [INFO] [stdout] | [INFO] [stdout] 249 | Err(e) => assert!(false, format!("writing failed with {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 249 - Err(e) => assert!(false, format!("writing failed with {}", e)), [INFO] [stdout] 249 + Err(e) => assert!(false, "writing failed with {}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:296:38 [INFO] [stdout] | [INFO] [stdout] 296 | Err(e) => assert!(false, format!("error reading: {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 296 - Err(e) => assert!(false, format!("error reading: {}", e)), [INFO] [stdout] 296 + Err(e) => assert!(false, "error reading: {}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `diffmetrik` (bin "diffmetrik" test) due to 2 previous errors; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c399e5d47cee606a4aca7f294b72d95b9559d4a0e8eec82e53d177c30f9606f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c399e5d47cee606a4aca7f294b72d95b9559d4a0e8eec82e53d177c30f9606f3", kill_on_drop: false }` [INFO] [stdout] c399e5d47cee606a4aca7f294b72d95b9559d4a0e8eec82e53d177c30f9606f3