[INFO] updating cached repository gaelroue/learning-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gaelroue/learning-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gaelroue/learning-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/gaelroue/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gaelroue/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gaelroue/learning-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gaelroue/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gaelroue/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e981c5c556a8a7d0fd6b6b94d7734de2646c9ede
[INFO] sha for GitHub repo gaelroue/learning-rust: e981c5c556a8a7d0fd6b6b94d7734de2646c9ede
[INFO] validating manifest of gaelroue/learning-rust 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 gaelroue/learning-rust 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 gaelroue/learning-rust
[INFO] finished frobbing gaelroue/learning-rust
[INFO] frobbed toml for gaelroue/learning-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/gaelroue/learning-rust/Cargo.toml
[INFO] started frobbing gaelroue/learning-rust
[INFO] finished frobbing gaelroue/learning-rust
[INFO] frobbed toml for gaelroue/learning-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gaelroue/learning-rust/Cargo.toml
[INFO] crate gaelroue/learning-rust 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gaelroue/learning-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gaelroue/learning-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gaelroue/learning-rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f7ec4af935d158a29d7ebf6f1e0d4e44c2882b2d8bb2396ffbac01a62ac38962
[INFO] running `"docker" "start" "-a" "f7ec4af935d158a29d7ebf6f1e0d4e44c2882b2d8bb2396ffbac01a62ac38962"`
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling curl v0.3.11
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/ini.rs:56:31
[INFO] [stderr]    |
[INFO] [stderr] 56 |              if line.unwrap().trim_left().starts_with('#') == true {
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/ini.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |                  if line.unwrap().trim_left().starts_with('[') == true {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/learning-6552c80591110526.learning.c1izmtjb-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/learning-6552c80591110526" "/opt/crater/target/debug/deps/learning-6552c80591110526.221ans2ob4e5yhfe.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/curl-sys-1f70df9f8c3f269c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-dacc545172971b42.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-00f0fc1fcb3347d8.rlib" "/opt/crater/target/debug/deps/libregex_syntax-5f2e8797984afb68.rlib" "/opt/crater/target/debug/deps/libthread_local-70b5011411bdf1f6.rlib" "/opt/crater/target/debug/deps/libthread_id-7a2cdabd88c51443.rlib" "/opt/crater/target/debug/deps/libaho_corasick-1eb0da7e93702f16.rlib" "/opt/crater/target/debug/deps/libmemchr-21983657af6104ef.rlib" "/opt/crater/target/debug/deps/libcurl-ba6f4aaedcaa7a47.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-51b1365b46c92494.rlib" "/opt/crater/target/debug/deps/libcurl_sys-5e6c29c1f972c8e9.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-d888b27187bffacc.rlib" "/opt/crater/target/debug/deps/liblibz_sys-9ba7190ed7d3d8b1.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libopenssl_sys-d888b27187bffacc.rlib(openssl_sys-d888b27187bffacc.openssl_sys.2iabcgsj-cgu.12.rcgu.o): In function `openssl_sys::init::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:517: undefined reference to `SSL_library_init'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:518: undefined reference to `SSL_load_error_strings'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:519: undefined reference to `OPENSSL_add_all_algorithms_noconf'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:521: undefined reference to `CRYPTO_num_locks'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:531: undefined reference to `CRYPTO_set_locking_callback'
[INFO] [stderr]           /opt/crater/target/debug/deps/libopenssl_sys-d888b27187bffacc.rlib(openssl_sys-d888b27187bffacc.openssl_sys.2iabcgsj-cgu.12.rcgu.o): In function `openssl_sys::set_id_callback':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:544: undefined reference to `CRYPTO_set_id_callback'
[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 `learning`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f7ec4af935d158a29d7ebf6f1e0d4e44c2882b2d8bb2396ffbac01a62ac38962"`
[INFO] running `"docker" "rm" "-f" "f7ec4af935d158a29d7ebf6f1e0d4e44c2882b2d8bb2396ffbac01a62ac38962"`
[INFO] [stdout] f7ec4af935d158a29d7ebf6f1e0d4e44c2882b2d8bb2396ffbac01a62ac38962