[INFO] cloning repository https://github.com/jvns/ruby-mem-watcher-demo [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvns/ruby-mem-watcher-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fruby-mem-watcher-demo"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fruby-mem-watcher-demo'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d6470107282b5734c12196787c8f915c35691299 [INFO] testing jvns/ruby-mem-watcher-demo against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fruby-mem-watcher-demo" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jvns/ruby-mem-watcher-demo on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jvns/ruby-mem-watcher-demo [INFO] finished tweaking git repo https://github.com/jvns/ruby-mem-watcher-demo [INFO] tweaked toml for git repo https://github.com/jvns/ruby-mem-watcher-demo written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jvns/ruby-mem-watcher-demo already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bcc v0.0.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d68b39451269342b4d1747d29c6627362317d60a1a32bceb61cdbc33e5a34a89 [INFO] running `"docker" "start" "-a" "d68b39451269342b4d1747d29c6627362317d60a1a32bceb61cdbc33e5a34a89"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling bindgen v0.31.3 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rustc-demangle v0.1.5 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling which v1.0.3 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling elf v0.0.10 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling clap v2.29.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling read-process-memory v0.1.2 [INFO] [stderr] Compiling clang-sys v0.21.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling cexpr v0.2.2 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling bcc-sys v0.4.0 [INFO] [stderr] Compiling bcc v0.0.1 [INFO] [stderr] Compiling ruby-fork-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/proc_maps.rs:24:21 [INFO] [stderr] | [INFO] [stderr] 24 | maps.iter().any({ |map| map.contains_addr(addr) }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/bin/count-ruby-allocs.rs:138:29 [INFO] [stderr] | [INFO] [stderr] 138 | let name = name.trim_right_matches("\0"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/count-ruby-allocs.rs:134:21 [INFO] [stderr] | [INFO] [stderr] 134 | let mut out = f(ptr); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.count_ruby_allocs.84b8s67g-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8" "/opt/rustwide/target/debug/deps/count_ruby_allocs-224aea982e068ec8.47dk2aivbf9at1ck.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-95afa04b0a7da833/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libruby_fork_test-723f475a1fd5dd06.rlib" "/opt/rustwide/target/debug/deps/libbcc-9be793b80779ee79.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-82c565beb9bdc961.rlib" "/opt/rustwide/target/debug/deps/libbcc_sys-fdfdeed47ad5354f.rlib" "/opt/rustwide/target/debug/deps/libfailure-0dd7374d235dec00.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-85168bc27988d386.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-7ed688b364c7e63e.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-a03de82c4121182d.rlib" "/opt/rustwide/target/debug/deps/libelf-c0590f91088ab4e0.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-df12a759a99edaf3.rlib" "/opt/rustwide/target/debug/deps/libread_process_memory-187391eabbc3850c.rlib" "/opt/rustwide/target/debug/deps/liblibc-b9cc03d0999144fb.rlib" "/opt/rustwide/target/debug/deps/liblog-aa74eeb7f3cb7e60.rlib" "/opt/rustwide/target/debug/deps/liblog-80557c6a07eb3905.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3fb2f48dd5397a2c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lbcc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lbcc [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `ruby-fork-test`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d68b39451269342b4d1747d29c6627362317d60a1a32bceb61cdbc33e5a34a89"` [INFO] running `"docker" "rm" "-f" "d68b39451269342b4d1747d29c6627362317d60a1a32bceb61cdbc33e5a34a89"` [INFO] [stdout] d68b39451269342b4d1747d29c6627362317d60a1a32bceb61cdbc33e5a34a89