[INFO] crate cuckoo_miner 0.5.2 is already in cache [INFO] checking cuckoo_miner-0.5.2 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873 [INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 [INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] finished tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] tweaked toml for crates.io crate cuckoo_miner 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 032fa11e8539bd07831f6aafee2fc8f79a0c6c6cb526640dda70403f291a98d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "032fa11e8539bd07831f6aafee2fc8f79a0c6c6cb526640dda70403f291a98d1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling cc v1.0.53 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking slog v2.1.1 [INFO] [stderr] Checking object v0.19.0 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking libloading v0.4.3 [INFO] [stderr] Compiling cmake v0.1.43 [INFO] [stderr] Checking const-cstr v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] warning: unused import: `sanity::Finder` [INFO] [stderr] --> src/build.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use sanity::Finder; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Finder` [INFO] [stderr] --> src/sanity.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub struct Finder { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/sanity.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `maybe_have` [INFO] [stderr] --> src/sanity.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn maybe_have>(&mut self, cmd: S) -> Option { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Checking slog-async v2.5.0 [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking slog-term v2.5.0 [INFO] [stderr] Checking addr2line v0.12.0 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] error: could not compile `syn`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=66cd46886f969d5d -C extra-filename=-66cd46886f969d5d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-94499e8bb61cd8d3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25fd0e804de82445.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8488695499ad31e6.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `serde`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.110/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=0aedda80e8a61abc -C extra-filename=-0aedda80e8a61abc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "032fa11e8539bd07831f6aafee2fc8f79a0c6c6cb526640dda70403f291a98d1"` [INFO] running `"docker" "rm" "-f" "032fa11e8539bd07831f6aafee2fc8f79a0c6c6cb526640dda70403f291a98d1"` [INFO] [stdout] 032fa11e8539bd07831f6aafee2fc8f79a0c6c6cb526640dda70403f291a98d1