[INFO] cloning repository https://github.com/xzfred/morelike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xzfred/morelike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0faf7c173456a6105ad9642f17ab2bb5e6270cf0
[INFO] testing xzfred/morelike against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xzfred/morelike on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xzfred/morelike
[INFO] finished tweaking git repo https://github.com/xzfred/morelike
[INFO] tweaked toml for git repo https://github.com/xzfred/morelike written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xzfred/morelike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d06c3c4ac503a1f321383f3485b02bc43265f54d6ba0aa9257c6a919006ea881
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d06c3c4ac503a1f321383f3485b02bc43265f54d6ba0aa9257c6a919006ea881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06c3c4ac503a1f321383f3485b02bc43265f54d6ba0aa9257c6a919006ea881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06c3c4ac503a1f321383f3485b02bc43265f54d6ba0aa9257c6a919006ea881", kill_on_drop: false }`
[INFO] [stdout] d06c3c4ac503a1f321383f3485b02bc43265f54d6ba0aa9257c6a919006ea881
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e1bc31086507545d1abb6abcd2e09818b6b3148faa1a4ef21eb1fe6444d9b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76e1bc31086507545d1abb6abcd2e09818b6b3148faa1a4ef21eb1fe6444d9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling mach v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling pretty_env_logger v0.2.2
[INFO] [stderr]    Compiling morelike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `getThreadNum` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getThreadNum() {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_thread_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea" "/opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.1d8tp9e6ojendy03.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmach-7293676960f75334.rlib" "/opt/rustwide/target/debug/deps/libtokio-32f6f997f36a9566.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-ae0c3562d48de886.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-80213b171aae2d99.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-e841b1d8d47e0dab.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-e9f593b29d974d7c.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-d5c7dcff78da1fca.rlib" "/opt/rustwide/target/debug/deps/libmio-dd20c79ae6e090db.rlib" "/opt/rustwide/target/debug/deps/libslab-0e69467c77773991.rlib" "/opt/rustwide/target/debug/deps/libnet2-eeb14ed7074235dc.rlib" "/opt/rustwide/target/debug/deps/liblazycell-3fd9ab0264178f1e.rlib" "/opt/rustwide/target/debug/deps/libtokio_fs-5231f82355c78163.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-b3db07f510ed4868.rlib" "/opt/rustwide/target/debug/deps/librand-6ce5ebfa9066b3a0.rlib" "/opt/rustwide/target/debug/deps/librand_core-ba17e7f3bfb804cb.rlib" "/opt/rustwide/target/debug/deps/librand_core-b7089351777b095b.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-a92a4a61c13be4ea.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-44d0b19bd3f9ca92.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-22ecc9829b9d7f88.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-89809229cb7bd47b.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-3af188f211913eba.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-f5e7581768fc505c.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-caa685c345286390.rlib" "/opt/rustwide/target/debug/deps/libnodrop-8d5765761d3030b5.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-4a5eb550c5c1289b.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-a4f5d155d894ac6c.rlib" "/opt/rustwide/target/debug/deps/libbytes-a7b4775922758c27.rlib" "/opt/rustwide/target/debug/deps/libiovec-01bdd943966b8eb8.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-53a07c8c7d51e476.rlib" "/opt/rustwide/target/debug/deps/libfutures-179494bb70148def.rlib" "/opt/rustwide/target/debug/deps/libpretty_env_logger-6f64db994f78bdd9.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-01eaeffa99c23e66.rlib" "/opt/rustwide/target/debug/deps/libregex-e943f22267d0a86e.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-526801e80c910ae2.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-bca80fa8c08e3f6c.rlib" "/opt/rustwide/target/debug/deps/libucd_util-3b5eb8f44640e48c.rlib" "/opt/rustwide/target/debug/deps/libthread_local-3579a780c8a24178.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-897ee67e7edd2a70.rlib" "/opt/rustwide/target/debug/deps/libunreachable-cb6d64c0a821d466.rlib" "/opt/rustwide/target/debug/deps/libvoid-e31c15de66dcb358.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-8525b60edcb7b001.rlib" "/opt/rustwide/target/debug/deps/libmemchr-93e7e13dee0c27d4.rlib" "/opt/rustwide/target/debug/deps/libatty-6335db67d622d460.rlib" "/opt/rustwide/target/debug/deps/liblibc-ff5c48f0378269ed.rlib" "/opt/rustwide/target/debug/deps/libhumantime-0ee26d071b6f67d8.rlib" "/opt/rustwide/target/debug/deps/libquick_error-4b511a046a1c77ff.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-86f17afe62d7354a.rlib" "/opt/rustwide/target/debug/deps/libansi_term-fa944d6c597ec6cd.rlib" "/opt/rustwide/target/debug/deps/liblog-88497907a8ea688d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-08627290fac14f15.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/morelike-8b725e43cc6967ea.morelike.15or1vpl-cgu.0.rcgu.o: in function `morelike::getThreadNum':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:40: undefined reference to `task_for_pid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/workdir/src/main.rs:45: undefined reference to `task_threads'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmach-7293676960f75334.rlib(mach-7293676960f75334.mach.2a5tqkle-cgu.14.rcgu.o): in function `mach::traps::mach_task_self':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mach-0.2.3/src/traps.rs:15: undefined reference to `mach_task_self_'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morelike`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "76e1bc31086507545d1abb6abcd2e09818b6b3148faa1a4ef21eb1fe6444d9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e1bc31086507545d1abb6abcd2e09818b6b3148faa1a4ef21eb1fe6444d9b2", kill_on_drop: false }`
[INFO] [stdout] 76e1bc31086507545d1abb6abcd2e09818b6b3148faa1a4ef21eb1fe6444d9b2