[INFO] cloning repository https://github.com/moparisthebest/kiss-ntpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moparisthebest/kiss-ntpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fkiss-ntpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fkiss-ntpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3110ad40bf5e9c2078d94044d160cead5e1edeaf
[INFO] building moparisthebest/kiss-ntpd against master#0da281b6068a7d889ae89a9bd8991284cc9b7535 for pr-103610
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fkiss-ntpd" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moparisthebest/kiss-ntpd on toolchain 0da281b6068a7d889ae89a9bd8991284cc9b7535
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moparisthebest/kiss-ntpd
[INFO] finished tweaking git repo https://github.com/moparisthebest/kiss-ntpd
[INFO] tweaked toml for git repo https://github.com/moparisthebest/kiss-ntpd written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/moparisthebest/kiss-ntpd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 099c487fa81f62e9b42bb9b1fbfcdbb682b8f601d47b8bf2e2aad4a9fc9e94c8
[INFO] running `Command { std: "docker" "start" "-a" "099c487fa81f62e9b42bb9b1fbfcdbb682b8f601d47b8bf2e2aad4a9fc9e94c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "099c487fa81f62e9b42bb9b1fbfcdbb682b8f601d47b8bf2e2aad4a9fc9e94c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099c487fa81f62e9b42bb9b1fbfcdbb682b8f601d47b8bf2e2aad4a9fc9e94c8", kill_on_drop: false }`
[INFO] [stdout] 099c487fa81f62e9b42bb9b1fbfcdbb682b8f601d47b8bf2e2aad4a9fc9e94c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ababa3815ca6184116627f5b72f4a016ef833a620b55dfbfffa6ba980cb07e4
[INFO] running `Command { std: "docker" "start" "-a" "1ababa3815ca6184116627f5b72f4a016ef833a620b55dfbfffa6ba980cb07e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling kiss-ntpd v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &mut self.buf[16..24].copy_from_slice(&ts); // ref_ts
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = &mut self.buf[16..24].copy_from_slice(&ts); // ref_ts
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         &mut self.buf[32..40].copy_from_slice(&ts); // rx_ts
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = &mut self.buf[32..40].copy_from_slice(&ts); // rx_ts
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         &mut self.buf[40..48].copy_from_slice(&ts); // tx_ts
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let _ = &mut self.buf[40..48].copy_from_slice(&ts); // tx_ts
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `kiss-ntpd`; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1ababa3815ca6184116627f5b72f4a016ef833a620b55dfbfffa6ba980cb07e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ababa3815ca6184116627f5b72f4a016ef833a620b55dfbfffa6ba980cb07e4", kill_on_drop: false }`
[INFO] [stdout] 1ababa3815ca6184116627f5b72f4a016ef833a620b55dfbfffa6ba980cb07e4