[INFO] cloning repository https://github.com/jjjame/headr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjjame/headr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjjame%2Fheadr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjjame%2Fheadr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c16ccf20b87fef9690771664ec7b177b40962ae6 [INFO] checking jjjame/headr against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjjame%2Fheadr" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jjjame/headr [INFO] finished tweaking git repo https://github.com/jjjame/headr [INFO] tweaked toml for git repo https://github.com/jjjame/headr written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jjjame/headr on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jjjame/headr 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ab4d3e580df8fe656ada347b7cc5831a8b44175f82195b229d669e55bfda31e [INFO] running `Command { std: "docker" "start" "-a" "4ab4d3e580df8fe656ada347b7cc5831a8b44175f82195b229d669e55bfda31e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ab4d3e580df8fe656ada347b7cc5831a8b44175f82195b229d669e55bfda31e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ab4d3e580df8fe656ada347b7cc5831a8b44175f82195b229d669e55bfda31e", kill_on_drop: false }` [INFO] [stdout] 4ab4d3e580df8fe656ada347b7cc5831a8b44175f82195b229d669e55bfda31e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c96add7f67d46a48bec4c21b3894c147f2232e3caf914e154b94ecb9571c5c5f [INFO] running `Command { std: "docker" "start" "-a" "c96add7f67d46a48bec4c21b3894c147f2232e3caf914e154b94ecb9571c5c5f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Checking headr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `files`, `lines`, and `bytes` are never read [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | files: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | lines: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | bytes: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_positive_int` is never used [INFO] [stdout] --> src/lib.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn parse_positive_int(val: &str) -> MyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:48:34 [INFO] [stdout] | [INFO] [stdout] 48 | .filter_map(|s: &String| s.parse::().ok()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `headr` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c96add7f67d46a48bec4c21b3894c147f2232e3caf914e154b94ecb9571c5c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96add7f67d46a48bec4c21b3894c147f2232e3caf914e154b94ecb9571c5c5f", kill_on_drop: false }` [INFO] [stdout] c96add7f67d46a48bec4c21b3894c147f2232e3caf914e154b94ecb9571c5c5f