[INFO] fetching crate preftool-clap-derive 0.2.0... [INFO] checking preftool-clap-derive-0.2.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] extracting crate preftool-clap-derive 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate preftool-clap-derive 0.2.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] finished tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] tweaked toml for crates.io crate preftool-clap-derive 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 9ad110c4f6ef1cf50473f8fa9310cbd8fbf1a746ae07da65da3e310609aa6543 [INFO] running `"docker" "start" "-a" "9ad110c4f6ef1cf50473f8fa9310cbd8fbf1a746ae07da65da3e310609aa6543"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking object v0.19.0 [INFO] [stderr] Checking arc-swap v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking slog-scope v4.3.0 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking addr2line v0.12.1 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Checking preftool-clap-derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling caseless v0.2.1 [INFO] [stderr] Checking preftool v0.2.0 [INFO] [stderr] Checking preftool-clap v0.2.0 [INFO] [stderr] warning: field is never read: `host` [INFO] [stderr] --> tests/nested.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | host: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `port` [INFO] [stderr] --> tests/nested.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 11 | port: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cert` [INFO] [stderr] --> tests/nested.rs:14:3 [INFO] [stderr] | [INFO] [stderr] 14 | cert: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `server` [INFO] [stderr] --> tests/nested.rs:19:3 [INFO] [stderr] | [INFO] [stderr] 19 | server: Server, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `host` [INFO] [stderr] --> tests/simple.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | host: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `port` [INFO] [stderr] --> tests/simple.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 11 | port: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cert` [INFO] [stderr] --> tests/simple.rs:14:3 [INFO] [stderr] | [INFO] [stderr] 14 | cert: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `binding` [INFO] [stderr] --> tests/enum.rs:29:3 [INFO] [stderr] | [INFO] [stderr] 29 | binding: Binding, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.93s [INFO] running `"docker" "inspect" "9ad110c4f6ef1cf50473f8fa9310cbd8fbf1a746ae07da65da3e310609aa6543"` [INFO] running `"docker" "rm" "-f" "9ad110c4f6ef1cf50473f8fa9310cbd8fbf1a746ae07da65da3e310609aa6543"` [INFO] [stdout] 9ad110c4f6ef1cf50473f8fa9310cbd8fbf1a746ae07da65da3e310609aa6543