[INFO] crate limit_read 0.2.0 is already in cache [INFO] checking limit_read-0.2.0 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530 [INFO] extracting crate limit_read 0.2.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate limit_read 0.2.0 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate limit_read 0.2.0 [INFO] finished tweaking crates.io crate limit_read 0.2.0 [INFO] tweaked toml for crates.io crate limit_read 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 10e994ec9827a03644d2dcf15d1336850a17bb731c3036efbaab7b67fc0b36af [INFO] running `"docker" "start" "-a" "10e994ec9827a03644d2dcf15d1336850a17bb731c3036efbaab7b67fc0b36af"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking limit_read v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::result::Result::::is_err` that must be used [INFO] [stderr] --> src/lib.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | / buf_reader [INFO] [stderr] 195 | | .read_until_lim(';' as u8, &mut buf, &short_lim) [INFO] [stderr] 196 | | .is_err(); [INFO] [stderr] | |________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_err` that must be used [INFO] [stderr] --> src/lib.rs:215:5 [INFO] [stderr] | [INFO] [stderr] 215 | buf_reader.read_line_lim(&mut buf, &short_lim).is_err(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "10e994ec9827a03644d2dcf15d1336850a17bb731c3036efbaab7b67fc0b36af"` [INFO] running `"docker" "rm" "-f" "10e994ec9827a03644d2dcf15d1336850a17bb731c3036efbaab7b67fc0b36af"` [INFO] [stdout] 10e994ec9827a03644d2dcf15d1336850a17bb731c3036efbaab7b67fc0b36af