[INFO] updating cached repository alanwilhelm/hydra-agent [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/alanwilhelm/hydra-agent [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/alanwilhelm/hydra-agent" "work/ex/beta-1.37-6/sources/1.36.0/gh/alanwilhelm/hydra-agent"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alanwilhelm/hydra-agent'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/alanwilhelm/hydra-agent" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alanwilhelm/hydra-agent"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alanwilhelm/hydra-agent'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0e8ed3336347237df9f55f2d872d578137d11e99 [INFO] sha for GitHub repo alanwilhelm/hydra-agent: 0e8ed3336347237df9f55f2d872d578137d11e99 [INFO] validating manifest of alanwilhelm/hydra-agent on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of alanwilhelm/hydra-agent on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing alanwilhelm/hydra-agent [INFO] finished frobbing alanwilhelm/hydra-agent [INFO] frobbed toml for alanwilhelm/hydra-agent written to work/ex/beta-1.37-6/sources/1.36.0/gh/alanwilhelm/hydra-agent/Cargo.toml [INFO] started frobbing alanwilhelm/hydra-agent [INFO] finished frobbing alanwilhelm/hydra-agent [INFO] frobbed toml for alanwilhelm/hydra-agent written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alanwilhelm/hydra-agent/Cargo.toml [INFO] crate alanwilhelm/hydra-agent already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing alanwilhelm/hydra-agent against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alanwilhelm/hydra-agent:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 355433a9831d747a899f0d3d40051a1456a830e9d247570f98e038607dc9f68d [INFO] running `"docker" "start" "-a" "355433a9831d747a899f0d3d40051a1456a830e9d247570f98e038607dc9f68d"` [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling openssl v0.9.17 [INFO] [stderr] Compiling serde v1.0.12 [INFO] [stderr] Compiling itoa v0.3.3 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling filetime v0.1.10 [INFO] [stderr] Compiling unix_socket v0.5.0 [INFO] [stderr] Compiling uuid v0.2.3 [INFO] [stderr] Compiling tar v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.12 [INFO] [stderr] Compiling url v0.5.10 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling libz-sys v1.0.16 [INFO] [stderr] Compiling cmake v0.1.25 [INFO] [stderr] Compiling openssl-sys v0.9.17 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Compiling curl-sys v0.3.14 [INFO] [stderr] Compiling sys-info v0.5.1 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.14 [INFO] [stderr] Compiling flate2 v0.2.19 [INFO] [stderr] Compiling hyperlocal v0.3.0 [INFO] [stderr] Compiling hyper-openssl v0.2.7 [INFO] [stderr] Compiling serde_json v1.0.3 [INFO] [stderr] Compiling shiplift v0.3.2 [INFO] [stderr] Compiling git2 v0.6.8 [INFO] [stderr] Compiling hydra_agent v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `ErrorKind` [INFO] [stderr] --> src/profiler/mod.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ErrorKind` [INFO] [stderr] --> src/git/mod.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:21:21 [INFO] [stderr] | [INFO] [stderr] 21 | Err(e) => println!("{}", "{\"error\" : \"error\"}"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | Err(e) => println!("{}", "{\"error\" : \"error\"}"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/serializer/mod.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut s: String = String::new(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/profiler/mod.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let z: u32 = u32::min_value(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/profiler/mod.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | Err(e) => undef.clone(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/profiler/mod.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | Err(e) => json_z.clone(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/profiler/mod.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | Err(e) => undef.clone(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/profiler/mod.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | Err(e) => undef.clone(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/profiler/mod.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | Err(e) => undef.clone(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `repo` [INFO] [stderr] --> src/git/mod.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let repo = match Repository::clone(url, ".hydra") { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_repo` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remote_repo` [INFO] [stderr] --> src/git/mod.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn clone_remote_repo(remote_repo: &str) -> Result<(String), Error>{ [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_remote_repo` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/serializer/mod.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut s: String = String::new(); [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] warning: function is never used: `status` [INFO] [stderr] --> src/docker/mod.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn status() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clone_remote_repo` [INFO] [stderr] --> src/git/mod.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn clone_remote_repo(remote_repo: &str) -> Result<(String), Error>{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.hydra_agent.1epzamfm-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b" "/opt/crater/target/debug/deps/hydra_agent-8ab5b5cc1c13587b.18qj8ymoskynlbcn.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/libgit2-sys-3ef3fc13225ca008/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-f3ae65978b41338c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-0864b79db29fd3a3/out/lib" "-L" "/opt/crater/target/debug/build/miniz-sys-9cf1b0b74c84d6df/out" "-L" "/opt/crater/target/debug/build/sys-info-e514ac7d684d8424/out" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libgit2-9cd5479092a86328.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-1c5f255027fffcba.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-6773609253b8ba59.rlib" "/opt/crater/target/debug/deps/libcurl_sys-100e3da16be40b7a.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-7368662f0bbe809d.rlib" "/opt/crater/target/debug/deps/liblibz_sys-a5e26aa2cab8dfff.rlib" "/opt/crater/target/debug/deps/libshiplift-8f67c5035319a45b.rlib" "/opt/crater/target/debug/deps/libtar-dc92d554e4ecec0d.rlib" "/opt/crater/target/debug/deps/libfiletime-6aefdbd68a2a7b54.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/liburl-38c6ea40831f8604.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-87b40c2ade0a1c9a.rlib" "/opt/crater/target/debug/deps/libuuid-a7637c768b8b5cbf.rlib" "/opt/crater/target/debug/deps/librand-24e421dbe0af783c.rlib" "/opt/crater/target/debug/deps/libjed-e62d04b745990519.rlib" "/opt/crater/target/debug/deps/libflate2-e6b2308ac3a73eae.rlib" "/opt/crater/target/debug/deps/libminiz_sys-ce09d861bb59d40a.rlib" "/opt/crater/target/debug/deps/libhyperlocal-1d170f9d373c45ae.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libhyper_openssl-c1a0f1eff4bcca43.rlib" "/opt/crater/target/debug/deps/libopenssl-6631a014a28cbeb4.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-9ce8e035d0d50f5a.rlib" "/opt/crater/target/debug/deps/liblazy_static-44393081eb462790.rlib" "/opt/crater/target/debug/deps/libforeign_types-deffbd4d465c6b34.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/libantidote-1bf644495c1bf2dd.rlib" "/opt/crater/target/debug/deps/libhyper-eda40fe868317551.rlib" "/opt/crater/target/debug/deps/libmime-d2d74db1f171b639.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-c0eb57f43d2a41bf.rlib" "/opt/crater/target/debug/deps/libtypeable-fa4659829e02080f.rlib" "/opt/crater/target/debug/deps/libtraitobject-e38d4174e3a9a182.rlib" "/opt/crater/target/debug/deps/libnum_cpus-c2740d7822cb4f1a.rlib" "/opt/crater/target/debug/deps/libhttparse-7515e4aab4845325.rlib" "/opt/crater/target/debug/deps/libunicase-51bd820ee7308505.rlib" "/opt/crater/target/debug/deps/liburl-0b65bb8d1a3c625e.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-8d86b9cb68c3e3fc.rlib" "/opt/crater/target/debug/deps/libidna-3482a431f2020b88.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-d01cde63ed07ece4.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-cdaa4586ad8601f2.rlib" "/opt/crater/target/debug/deps/libmatches-da7c3df62938be42.rlib" "/opt/crater/target/debug/deps/libtime-93f86d61dff0b8d6.rlib" "/opt/crater/target/debug/deps/libbase64-248766047b196b4d.rlib" "/opt/crater/target/debug/deps/libsafemem-887993beb39b007d.rlib" "/opt/crater/target/debug/deps/libbyteorder-37c01570bf1b56fa.rlib" "/opt/crater/target/debug/deps/liblog-f6caf69386e38ce5.rlib" "/opt/crater/target/debug/deps/libsys_info-31604855477ae095.rlib" "/opt/crater/target/debug/deps/liblibc-16d04da72c8d8209.rlib" "/opt/crater/target/debug/deps/libserde_json-48c4e29f4ed43da4.rlib" "/opt/crater/target/debug/deps/libdtoa-c3bbd8f968a8bf63.rlib" "/opt/crater/target/debug/deps/libitoa-f50819c847ae76e6.rlib" "/opt/crater/target/debug/deps/libnum_traits-986fce5007c03c4b.rlib" "/opt/crater/target/debug/deps/libserde-6add40d529beedf5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lz" "-lssl" "-lcrypto" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libsys_info-31604855477ae095.rlib(sys_info-31604855477ae095.sys_info.7xkxs680-cgu.1.rcgu.o): In function `sys_info::os_type': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sys-info-0.5.1/lib.rs:135: undefined reference to `get_os_type' [INFO] [stderr] /opt/crater/target/debug/deps/libsys_info-31604855477ae095.rlib(sys_info-31604855477ae095.sys_info.7xkxs680-cgu.1.rcgu.o): In function `sys_info::os_release': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sys-info-0.5.1/lib.rs:152: undefined reference to `get_os_release' [INFO] [stderr] /opt/crater/target/debug/deps/libsys_info-31604855477ae095.rlib(sys_info-31604855477ae095.sys_info.7xkxs680-cgu.1.rcgu.o): In function `sys_info::cpu_speed': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sys-info-0.5.1/lib.rs:186: undefined reference to `get_cpu_speed' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `hydra_agent`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "355433a9831d747a899f0d3d40051a1456a830e9d247570f98e038607dc9f68d"` [INFO] running `"docker" "rm" "-f" "355433a9831d747a899f0d3d40051a1456a830e9d247570f98e038607dc9f68d"` [INFO] [stdout] 355433a9831d747a899f0d3d40051a1456a830e9d247570f98e038607dc9f68d