[INFO] cloning repository https://github.com/Prunoideae/json-grep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Prunoideae/json-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrunoideae%2Fjson-grep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrunoideae%2Fjson-grep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1ade158720e1931247d2705ec44470cfc304e69 [INFO] checking Prunoideae/json-grep/e1ade158720e1931247d2705ec44470cfc304e69 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrunoideae%2Fjson-grep" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Prunoideae/json-grep on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Prunoideae/json-grep [INFO] finished tweaking git repo https://github.com/Prunoideae/json-grep [INFO] tweaked toml for git repo https://github.com/Prunoideae/json-grep written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Prunoideae/json-grep 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e8cd8131c91f4d4251f2844683ebf9c2e7049fbc625f8d79257583862d2a33c [INFO] running `Command { std: "docker" "start" "-a" "9e8cd8131c91f4d4251f2844683ebf9c2e7049fbc625f8d79257583862d2a33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e8cd8131c91f4d4251f2844683ebf9c2e7049fbc625f8d79257583862d2a33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8cd8131c91f4d4251f2844683ebf9c2e7049fbc625f8d79257583862d2a33c", kill_on_drop: false }` [INFO] [stdout] 9e8cd8131c91f4d4251f2844683ebf9c2e7049fbc625f8d79257583862d2a33c [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 891c84d48678abf2144771a45bbf58c81501a2389148bf5affe6a15cb3e25abd [INFO] running `Command { std: "docker" "start" "-a" "891c84d48678abf2144771a45bbf58c81501a2389148bf5affe6a15cb3e25abd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking thread_local v1.1.0 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking jg v0.1.0 (/opt/rustwide/workdir/crates/jg) [INFO] [stderr] Checking json-grep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> crates/core/app.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error::Error, path::Path}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result, std::string::String>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> crates/core/app.rs:85:22 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn validate(matches: ArgMatches) -> Result { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | regex: match compile_regex( [INFO] [stdout] | ______________________^ [INFO] [stdout] 86 | | match &serde_json::from_str(matches.value_of("regex").unwrap()) { [INFO] [stdout] 87 | | Ok(n) => n, [INFO] [stdout] 88 | | Err(_) => { [INFO] [stdout] ... | [INFO] [stdout] 94 | | }, [INFO] [stdout] 95 | | ) { [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: fields `pretty` and `format` are never read [INFO] [stdout] --> crates/core/app.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SearchConfig { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 12 | pub pretty: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 13 | pub format: Format, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> crates/core/main.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(&e); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 20 | panic!("{}", &e); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `json-grep` (bin "jg") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "891c84d48678abf2144771a45bbf58c81501a2389148bf5affe6a15cb3e25abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "891c84d48678abf2144771a45bbf58c81501a2389148bf5affe6a15cb3e25abd", kill_on_drop: false }` [INFO] [stdout] 891c84d48678abf2144771a45bbf58c81501a2389148bf5affe6a15cb3e25abd