[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-1.38-1/sources/1.37.0/gh/alanwilhelm/hydra-agent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alanwilhelm/hydra-agent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alanwilhelm/hydra-agent" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alanwilhelm/hydra-agent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alanwilhelm/hydra-agent on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing alanwilhelm/hydra-agent against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 447ad48e0e38adf06f3968f1f2284143e819d665d7ac3430856eba7772b5841d
[INFO] running `"docker" "start" "-a" "447ad48e0e38adf06f3968f1f2284143e819d665d7ac3430856eba7772b5841d"`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling serde v1.0.12
[INFO] [stderr]    Compiling itoa v0.3.3
[INFO] [stderr]    Compiling unicode-bidi v0.2.6
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling jed v0.1.2
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling cmake v0.1.25
[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 tar v0.3.4
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.14
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling url v0.5.10
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.3
[INFO] [stderr]    Compiling hyperlocal v0.3.0
[INFO] [stderr]    Compiling hyper-openssl v0.2.7
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.hydra_agent.6f1yax8o-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1" "/opt/crater/target/debug/deps/hydra_agent-d297d4846057e3e1.3wsafyrs3f6zefyk.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-889c6efec51ebb31/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-e565c00c745d0a6c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-33ab8432e393e9d1/out/lib" "-L" "/opt/crater/target/debug/build/miniz-sys-2d44ec95c1de47db/out" "-L" "/opt/crater/target/debug/build/sys-info-81a3ef32e35c7f44/out" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libgit2-da97cb7102b35ddb.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-b08725fd40c6f506.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-36cd987bdfc88ecc.rlib" "/opt/crater/target/debug/deps/libcurl_sys-0bdcd9a3ea9abbb4.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-1c3089ca0885b045.rlib" "/opt/crater/target/debug/deps/liblibz_sys-7f7fd5403b629433.rlib" "/opt/crater/target/debug/deps/libshiplift-2d7d035599585060.rlib" "/opt/crater/target/debug/deps/libtar-b7c30d0c4c3d8735.rlib" "/opt/crater/target/debug/deps/libfiletime-b1560944e8fa5028.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/liburl-5415c21a0e9e9877.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-224ce19b5f3ad325.rlib" "/opt/crater/target/debug/deps/libuuid-9dd68549bc9ebe9a.rlib" "/opt/crater/target/debug/deps/librand-6320734f8e1bb2c3.rlib" "/opt/crater/target/debug/deps/libjed-13f8f7ffef7c88d9.rlib" "/opt/crater/target/debug/deps/libflate2-064030a36f7c719c.rlib" "/opt/crater/target/debug/deps/libminiz_sys-72463459866298b9.rlib" "/opt/crater/target/debug/deps/libhyperlocal-fea681b7686e58a3.rlib" "/opt/crater/target/debug/deps/librustc_serialize-cc29b8ffd74fbfca.rlib" "/opt/crater/target/debug/deps/libhyper_openssl-b849be9b024cc764.rlib" "/opt/crater/target/debug/deps/libopenssl-b29797d833c42fb7.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-2ddf2de550faebf7.rlib" "/opt/crater/target/debug/deps/liblazy_static-ccea4a44c4af410d.rlib" "/opt/crater/target/debug/deps/libforeign_types-47fd4dbd69e06379.rlib" "/opt/crater/target/debug/deps/libbitflags-f034fe9ef0b445a7.rlib" "/opt/crater/target/debug/deps/libantidote-94a850dfe0d209c0.rlib" "/opt/crater/target/debug/deps/libhyper-9866e5966b5124cc.rlib" "/opt/crater/target/debug/deps/libmime-b2ea1087ad0e625a.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-31855a1d4a2b270f.rlib" "/opt/crater/target/debug/deps/libtypeable-f6f402f054f36331.rlib" "/opt/crater/target/debug/deps/libtraitobject-5c90cc2d32024dbf.rlib" "/opt/crater/target/debug/deps/libnum_cpus-5d1712850356e50a.rlib" "/opt/crater/target/debug/deps/libhttparse-3c23f16abbac927e.rlib" "/opt/crater/target/debug/deps/libunicase-69eee6c2b8bb72d4.rlib" "/opt/crater/target/debug/deps/liburl-e9f90c00fcd16b25.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-da57fc2ee5b23e3d.rlib" "/opt/crater/target/debug/deps/libidna-f2f59474bdd7b6b8.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-c01f82de3d845d74.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-4aec038661d98415.rlib" "/opt/crater/target/debug/deps/libmatches-30795f3b92df29f5.rlib" "/opt/crater/target/debug/deps/libtime-5425f29d15f71c75.rlib" "/opt/crater/target/debug/deps/libbase64-7e8399672f4ad4d2.rlib" "/opt/crater/target/debug/deps/libsafemem-c18df4925d4a324d.rlib" "/opt/crater/target/debug/deps/libbyteorder-318108ede77daca1.rlib" "/opt/crater/target/debug/deps/liblog-cb32e2f952aff2a6.rlib" "/opt/crater/target/debug/deps/libsys_info-f35eaf53ddfda9cc.rlib" "/opt/crater/target/debug/deps/liblibc-7a0d5ea43554a001.rlib" "/opt/crater/target/debug/deps/libserde_json-66b8939ba1ed0ce6.rlib" "/opt/crater/target/debug/deps/libdtoa-dbece04ab2440d63.rlib" "/opt/crater/target/debug/deps/libitoa-38aa87b78eddd9c3.rlib" "/opt/crater/target/debug/deps/libnum_traits-50f4c0719bcfab71.rlib" "/opt/crater/target/debug/deps/libserde-1b9dc66c8cd1436d.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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-f35eaf53ddfda9cc.rlib(sys_info-f35eaf53ddfda9cc.sys_info.br1oncjx-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-f35eaf53ddfda9cc.rlib(sys_info-f35eaf53ddfda9cc.sys_info.br1oncjx-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-f35eaf53ddfda9cc.rlib(sys_info-f35eaf53ddfda9cc.sys_info.br1oncjx-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" "447ad48e0e38adf06f3968f1f2284143e819d665d7ac3430856eba7772b5841d"`
[INFO] running `"docker" "rm" "-f" "447ad48e0e38adf06f3968f1f2284143e819d665d7ac3430856eba7772b5841d"`
[INFO] [stdout] 447ad48e0e38adf06f3968f1f2284143e819d665d7ac3430856eba7772b5841d