[INFO] fetching crate ngrams 1.0.1...
[INFO] testing ngrams-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ngrams 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ngrams 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ngrams 1.0.1
[INFO] finished tweaking crates.io crate ngrams 1.0.1
[INFO] tweaked toml for crates.io crate ngrams 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22147083e12d16c7cbbc08989bfcc705a2663bf2b9adc27da46dadfd97fb5ff7
[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" "22147083e12d16c7cbbc08989bfcc705a2663bf2b9adc27da46dadfd97fb5ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22147083e12d16c7cbbc08989bfcc705a2663bf2b9adc27da46dadfd97fb5ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22147083e12d16c7cbbc08989bfcc705a2663bf2b9adc27da46dadfd97fb5ff7", kill_on_drop: false }`
[INFO] [stdout] 22147083e12d16c7cbbc08989bfcc705a2663bf2b9adc27da46dadfd97fb5ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c63e75e04930bcb517fc6d58f966ad9ad96355746b766ead2afcfdf4584ac9c
[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" "4c63e75e04930bcb517fc6d58f966ad9ad96355746b766ead2afcfdf4584ac9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngrams v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn ngrams(self, usize) -> Ngrams<'a, T>;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "4c63e75e04930bcb517fc6d58f966ad9ad96355746b766ead2afcfdf4584ac9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c63e75e04930bcb517fc6d58f966ad9ad96355746b766ead2afcfdf4584ac9c", kill_on_drop: false }`
[INFO] [stdout] 4c63e75e04930bcb517fc6d58f966ad9ad96355746b766ead2afcfdf4584ac9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df04fa0bfb653722d945b2dae5204f9a9eb2ff5c9d84c17f4d5c43a547c6f4b
[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" "1df04fa0bfb653722d945b2dae5204f9a9eb2ff5c9d84c17f4d5c43a547c6f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn ngrams(self, usize) -> Ngrams<'a, T>;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling curl v0.3.11
[INFO] [stderr]    Compiling ngrams v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn ngrams(self, usize) -> Ngrams<'a, T>;
[INFO] [stdout]    |                     ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.markov.c87a53e9-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2.4dnhgi0c9v2c3r9i.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/curl-sys-d8449df79676dff6/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/miniz-sys-dbc99970b4a3cc51/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcurl-92ddfb375a7243fb.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-2859b577b47e78ac.rlib" "/opt/rustwide/target/debug/deps/libcurl_sys-2a6682a0b964a9a1.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-e1336d3445773f58.rlib" "/opt/rustwide/target/debug/deps/liblibz_sys-e8a7e00dcd39bd7b.rlib" "/opt/rustwide/target/debug/deps/libflate2-e6c99972cd487b42.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-b7f1506293685cd4.rlib" "/opt/rustwide/target/debug/deps/librand-e923541b005b113c.rlib" "/opt/rustwide/target/debug/deps/librand-b503f64fe767ccd3.rlib" "/opt/rustwide/target/debug/deps/liblibc-7085dace614ae946.rlib" "/opt/rustwide/target/debug/deps/libngrams-5d27fc11063c5a11.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/markov-e58bb8cb19edeba2" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-2a6682a0b964a9a1.rlib(libcurl_la-version.o): in function `curl_version':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/version.c:122: undefined reference to `psl_get_version'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-2a6682a0b964a9a1.rlib(libcurl_la-cookie.o): in function `Curl_cookie_add':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/cookie.c:801: undefined reference to `psl_builtin'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/cookie.c:802: undefined reference to `psl_is_cookie_domain_acceptable'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libopenssl_sys-e1336d3445773f58.rlib(openssl_sys-e1336d3445773f58.openssl_sys.640773bf-cgu.9.rcgu.o): in function `openssl_sys::init::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:517: undefined reference to `SSL_library_init'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:518: undefined reference to `SSL_load_error_strings'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:521: undefined reference to `CRYPTO_num_locks'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:531: undefined reference to `CRYPTO_set_locking_callback'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libopenssl_sys-e1336d3445773f58.rlib(openssl_sys-e1336d3445773f58.openssl_sys.640773bf-cgu.9.rcgu.o): in function `openssl_sys::set_id_callback':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:544: undefined reference to `CRYPTO_set_id_callback'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ngrams` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1df04fa0bfb653722d945b2dae5204f9a9eb2ff5c9d84c17f4d5c43a547c6f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df04fa0bfb653722d945b2dae5204f9a9eb2ff5c9d84c17f4d5c43a547c6f4b", kill_on_drop: false }`
[INFO] [stdout] 1df04fa0bfb653722d945b2dae5204f9a9eb2ff5c9d84c17f4d5c43a547c6f4b