[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xzfred/morelike on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-reactor v0.1.3
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6f53b7b7c45a282567d284b6031e3aa3f2afd29a351cfdc1352d977917f86f2
[INFO] running `Command { std: "docker" "start" "-a" "f6f53b7b7c45a282567d284b6031e3aa3f2afd29a351cfdc1352d977917f86f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f53b7b7c45a282567d284b6031e3aa3f2afd29a351cfdc1352d977917f86f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f53b7b7c45a282567d284b6031e3aa3f2afd29a351cfdc1352d977917f86f2", kill_on_drop: false }`
[INFO] [stdout] f6f53b7b7c45a282567d284b6031e3aa3f2afd29a351cfdc1352d977917f86f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96187da1e533ce8d80c62846b16174791dbbd7378e8acc321b897c23a1afc3ab
[INFO] running `Command { std: "docker" "start" "-a" "96187da1e533ce8d80c62846b16174791dbbd7378e8acc321b897c23a1afc3ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling mach v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp 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" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815" "/opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.3ycmot0zubla6tvd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmach-d2db420d2c74a969.rlib" "/opt/rustwide/target/debug/deps/libtokio-013f6daf61075552.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-7a787ed9a30a72ee.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-a9642b78fff8f596.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-69d545a122b3221c.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-84b92602802605a6.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-d9e1503e6b9d1b38.rlib" "/opt/rustwide/target/debug/deps/libmio-610ae78adcb33463.rlib" "/opt/rustwide/target/debug/deps/libslab-fc763721e6638fb6.rlib" "/opt/rustwide/target/debug/deps/libnet2-52e8cfe8aba4aa6b.rlib" "/opt/rustwide/target/debug/deps/liblazycell-9212c3138883c417.rlib" "/opt/rustwide/target/debug/deps/libtokio_fs-5ee1f432ec4a6ac0.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-0960df8f5d33efed.rlib" "/opt/rustwide/target/debug/deps/librand-5efeeca7a471b8e0.rlib" "/opt/rustwide/target/debug/deps/librand_core-cff648964d5ad30e.rlib" "/opt/rustwide/target/debug/deps/librand_core-41356d5e1f0d1123.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d6c1c04599fe159a.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-301ab94229980f4d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-5e28620ecc5ccebc.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-587a636979098308.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-98eb5171f9a3eb81.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-1983edd6277b1d6f.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-13156232d940f517.rlib" "/opt/rustwide/target/debug/deps/libnodrop-45a305d3b6a3bcbd.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-2d07dedf6e9c335e.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-75d969f5334fc00d.rlib" "/opt/rustwide/target/debug/deps/libbytes-7a249cd3555f72f3.rlib" "/opt/rustwide/target/debug/deps/libiovec-5f4862fd5e49e199.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f77409651a8445c6.rlib" "/opt/rustwide/target/debug/deps/libfutures-b93661d89d6f3c69.rlib" "/opt/rustwide/target/debug/deps/libpretty_env_logger-93286c62e057d495.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-520bf19d3cc46102.rlib" "/opt/rustwide/target/debug/deps/libregex-7ae02cfbe7944c2f.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-a04c6d4b03ff7fd3.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-9a203ae34c65b4d4.rlib" "/opt/rustwide/target/debug/deps/libucd_util-68c9b2d80b4dcbb2.rlib" "/opt/rustwide/target/debug/deps/libthread_local-b2d98abb2bc9efba.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2a076a970eba03df.rlib" "/opt/rustwide/target/debug/deps/libunreachable-fbc96b3769cb6cbe.rlib" "/opt/rustwide/target/debug/deps/libvoid-8e46a7745eb9476a.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-a9ad793e89d0d02c.rlib" "/opt/rustwide/target/debug/deps/libmemchr-a58eb8e8d44a5e49.rlib" "/opt/rustwide/target/debug/deps/libatty-792c489d6bac4fc7.rlib" "/opt/rustwide/target/debug/deps/liblibc-79850a6ece173d7b.rlib" "/opt/rustwide/target/debug/deps/libhumantime-858d82234f510c1e.rlib" "/opt/rustwide/target/debug/deps/libquick_error-d6717bb13b85ffab.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-214c4f0007847959.rlib" "/opt/rustwide/target/debug/deps/libansi_term-e1f42baa5c31098f.rlib" "/opt/rustwide/target/debug/deps/liblog-8b3375c7a1721d42.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-c27d6000f8ec05ff.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/morelike-3cd865ce991a8815.morelike.e5v939t0-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-d2db420d2c74a969.rlib(mach-d2db420d2c74a969.mach.4a5pt86j-cgu.10.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" "96187da1e533ce8d80c62846b16174791dbbd7378e8acc321b897c23a1afc3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96187da1e533ce8d80c62846b16174791dbbd7378e8acc321b897c23a1afc3ab", kill_on_drop: false }`
[INFO] [stdout] 96187da1e533ce8d80c62846b16174791dbbd7378e8acc321b897c23a1afc3ab