[INFO] fetching crate livetex 0.3.0... [INFO] checking livetex-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate livetex 0.3.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate livetex 0.3.0 [INFO] finished tweaking crates.io crate livetex 0.3.0 [INFO] tweaked toml for crates.io crate livetex 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate livetex 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate livetex 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c370e256e12a917b385b14761567bfd75ec8bcb8d110337686b875e9965c6b47 [INFO] running `Command { std: "docker" "start" "-a" "c370e256e12a917b385b14761567bfd75ec8bcb8d110337686b875e9965c6b47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c370e256e12a917b385b14761567bfd75ec8bcb8d110337686b875e9965c6b47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c370e256e12a917b385b14761567bfd75ec8bcb8d110337686b875e9965c6b47", kill_on_drop: false }` [INFO] [stdout] c370e256e12a917b385b14761567bfd75ec8bcb8d110337686b875e9965c6b47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07650da6f1e2955239bb31214b245359f00926444f8c8e3ff59f369c83dca80e [INFO] running `Command { std: "docker" "start" "-a" "07650da6f1e2955239bb31214b245359f00926444f8c8e3ff59f369c83dca80e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking bytes v1.9.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling httparse v1.9.5 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking http v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.135 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking indexmap v2.7.0 [INFO] [stderr] Checking tower-service v0.3.3 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking temp-dir v0.1.14 [INFO] [stderr] Checking clap_builder v4.5.26 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling clap_derive v4.5.24 [INFO] [stderr] Checking env_logger v0.11.6 [INFO] [stderr] Checking tokio v1.43.0 [INFO] [stderr] Compiling lazy-regex-proc_macros v3.4.1 [INFO] [stderr] Checking lazy-regex v3.4.1 [INFO] [stderr] Checking clap v4.5.26 [INFO] [stderr] Checking tokio-util v0.7.13 [INFO] [stderr] Checking h2 v0.4.7 [INFO] [stderr] Checking hyper v1.5.2 [INFO] [stderr] Checking hyper-util v0.1.10 [INFO] [stderr] Checking livetex v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/tex_monitor.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | if let Some(out_path) = out_path && pdf_path.exists() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::temp_dir` [INFO] [stdout] --> src/tex_monitor.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::temp_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> src/tex_monitor.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/tex_monitor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/tex_monitor.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/tex_monitor.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ARGS_SHARED` [INFO] [stdout] --> src/server.rs:2:25 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{mutex_lock, ARGS_SHARED, COMPILED_PATH}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `header` [INFO] [stdout] --> src/server.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | use hyper::{header, Method, Request, Response, StatusCode}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/tex_monitor.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | if let Some(out_path) = out_path && pdf_path.exists() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::temp_dir` [INFO] [stdout] --> src/tex_monitor.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::temp_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> src/tex_monitor.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/tex_monitor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/tex_monitor.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/tex_monitor.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ARGS_SHARED` [INFO] [stdout] --> src/server.rs:2:25 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{mutex_lock, ARGS_SHARED, COMPILED_PATH}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `header` [INFO] [stdout] --> src/server.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | use hyper::{header, Method, Request, Response, StatusCode}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `livetex` (lib) due to 1 previous error; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `livetex` (lib test) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "07650da6f1e2955239bb31214b245359f00926444f8c8e3ff59f369c83dca80e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07650da6f1e2955239bb31214b245359f00926444f8c8e3ff59f369c83dca80e", kill_on_drop: false }` [INFO] [stdout] 07650da6f1e2955239bb31214b245359f00926444f8c8e3ff59f369c83dca80e