[INFO] cloning repository https://github.com/detoxifiedplant/exercism-dsa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/detoxifiedplant/exercism-dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fexercism-dsa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fexercism-dsa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24e5d0de7901a5a3c1fc0aeaebb1b23740872a1e [INFO] checking detoxifiedplant/exercism-dsa against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fexercism-dsa" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/detoxifiedplant/exercism-dsa [INFO] finished tweaking git repo https://github.com/detoxifiedplant/exercism-dsa [INFO] tweaked toml for git repo https://github.com/detoxifiedplant/exercism-dsa written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/detoxifiedplant/exercism-dsa on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/detoxifiedplant/exercism-dsa 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.15 [INFO] [stderr] Downloaded thiserror-impl v2.0.11 [INFO] [stderr] Downloaded thiserror v2.0.11 [INFO] [stderr] Downloaded syn v2.0.96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7392349156cfb0d51cae06a923327a4c054717bdcda0a0f0097c239cf4b0667e [INFO] running `Command { std: "docker" "start" "-a" "7392349156cfb0d51cae06a923327a4c054717bdcda0a0f0097c239cf4b0667e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7392349156cfb0d51cae06a923327a4c054717bdcda0a0f0097c239cf4b0667e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7392349156cfb0d51cae06a923327a4c054717bdcda0a0f0097c239cf4b0667e", kill_on_drop: false }` [INFO] [stdout] 7392349156cfb0d51cae06a923327a4c054717bdcda0a0f0097c239cf4b0667e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 506fafad28ad7b16e8f332b9a1fe89f37454ee17cc6d3d92a6833caf9c90fd28 [INFO] running `Command { std: "docker" "start" "-a" "506fafad28ad7b16e8f332b9a1fe89f37454ee17cc6d3d92a6833caf9c90fd28", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.15 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling thiserror v2.0.11 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking bitflags v2.8.0 [INFO] [stderr] Checking challenges v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Checking epoll v0.1.0 (/opt/rustwide/workdir/crates/epoll) [INFO] [stdout] warning: enum `ControlOptions` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum ControlOptions { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Event` is never constructed [INFO] [stdout] --> crates/epoll/src/poll.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Event { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 112 | impl Event { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 113 | pub fn new(events: Events, data: u64) -> Event { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn create(cloexec: bool) -> io::Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ctl` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn ctl( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wait` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn wait(epfd: RawFd, timeout: i32, buf: &mut [Event]) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `close` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn close(epfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cvt` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn cvt(result: libc::c_int) -> io::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ControlOptions` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum ControlOptions { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Event` is never constructed [INFO] [stdout] --> crates/epoll/src/poll.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Event { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 112 | impl Event { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 113 | pub fn new(events: Events, data: u64) -> Event { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn create(cloexec: bool) -> io::Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ctl` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn ctl( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wait` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn wait(epfd: RawFd, timeout: i32, buf: &mut [Event]) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `close` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn close(epfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cvt` is never used [INFO] [stdout] --> crates/epoll/src/poll.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn cvt(result: libc::c_int) -> io::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling thiserror-impl v2.0.11 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking exercism v0.1.0 (/opt/rustwide/workdir/crates/exercism) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.65s [INFO] running `Command { std: "docker" "inspect" "506fafad28ad7b16e8f332b9a1fe89f37454ee17cc6d3d92a6833caf9c90fd28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "506fafad28ad7b16e8f332b9a1fe89f37454ee17cc6d3d92a6833caf9c90fd28", kill_on_drop: false }` [INFO] [stdout] 506fafad28ad7b16e8f332b9a1fe89f37454ee17cc6d3d92a6833caf9c90fd28