[INFO] fetching crate ngrams 1.0.1...
[INFO] testing ngrams-1.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ngrams 1.0.1 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ngrams 1.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding clippy v0.0.23 (available: v0.0.302)
[INFO] [stderr]       Adding curl v0.3.11 (available: v0.4.49)
[INFO] [stderr]       Adding flate2 v0.2.20 (available: v1.1.5)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.3.11
[INFO] [stderr]   Downloaded clippy v0.0.23
[INFO] [stderr]   Downloaded curl-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1391adb33833e8de846900c86329163a0f8587627f40eb7132722a4ac0db91d
[INFO] running `Command { std: "docker" "start" "-a" "d1391adb33833e8de846900c86329163a0f8587627f40eb7132722a4ac0db91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1391adb33833e8de846900c86329163a0f8587627f40eb7132722a4ac0db91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1391adb33833e8de846900c86329163a0f8587627f40eb7132722a4ac0db91d", kill_on_drop: false }`
[INFO] [stdout] d1391adb33833e8de846900c86329163a0f8587627f40eb7132722a4ac0db91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b403fc2d6be7199112a9c48c4212d03f9dd63f5b75d4797ad1fb2824f7f2ca76
[INFO] running `Command { std: "docker" "start" "-a" "b403fc2d6be7199112a9c48c4212d03f9dd63f5b75d4797ad1fb2824f7f2ca76", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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]    = 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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[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]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 +++
[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]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "b403fc2d6be7199112a9c48c4212d03f9dd63f5b75d4797ad1fb2824f7f2ca76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b403fc2d6be7199112a9c48c4212d03f9dd63f5b75d4797ad1fb2824f7f2ca76", kill_on_drop: false }`
[INFO] [stdout] b403fc2d6be7199112a9c48c4212d03f9dd63f5b75d4797ad1fb2824f7f2ca76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba4eed98f0ffd12e610974abe8bb95e36df2761db6f2d2aa3b256331eb1bdea4
[INFO] running `Command { std: "docker" "start" "-a" "ba4eed98f0ffd12e610974abe8bb95e36df2761db6f2d2aa3b256331eb1bdea4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling gcc v0.3.55
[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]    = 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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[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]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 +++
[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]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling curl-sys v0.2.5
[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]    = 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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[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]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]    |                 +++
[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]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 |     source: Box<dyn Iterator<Item = T> + 'a>,
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcgmjpGL/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libcurl-71d9e91593ccb10c,libopenssl_probe-cbab9b905ab83f66,libcurl_sys-7822c75f1d23ec38,libopenssl_sys-231b53fb97f2c8ea,liblibz_sys-6d5b1a2ffc3b73a1,libflate2-b7bb43deba6e379d,libminiz_sys-f734ccf3ff6f5dd3,librand-ac6709a0664bd130,librand-f765a919687808fc,liblibc-e2775a15e5abc6fd,libngrams-8bf56d7edb490bb2}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lcurl" "-lssl" "-lcrypto" "-lz" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcgmjpGL/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/miniz-sys-6d44ae2076638054/out" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/markov-4abfc4f6da1cd1f9" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: CRYPTO_set_id_callback
[INFO] [stdout]           >>> referenced by lib.rs:544 (src/lib.rs:544)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::set_id_callback::h699611e7445f4a97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SSL_library_init
[INFO] [stdout]           >>> referenced by lib.rs:517 (src/lib.rs:517)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h9b2d3ef354051b97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SSL_load_error_strings
[INFO] [stdout]           >>> referenced by lib.rs:518 (src/lib.rs:518)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h9b2d3ef354051b97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: OPENSSL_add_all_algorithms_noconf
[INFO] [stdout]           >>> referenced by lib.rs:519 (src/lib.rs:519)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h9b2d3ef354051b97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: CRYPTO_num_locks
[INFO] [stdout]           >>> referenced by lib.rs:521 (src/lib.rs:521)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h9b2d3ef354051b97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: CRYPTO_set_locking_callback
[INFO] [stdout]           >>> referenced by lib.rs:531 (src/lib.rs:531)
[INFO] [stdout]           >>>               openssl_sys-231b53fb97f2c8ea.openssl_sys.40b5b8be3991caa2-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h9b2d3ef354051b97) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-231b53fb97f2c8ea.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ngrams` (example "markov") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ba4eed98f0ffd12e610974abe8bb95e36df2761db6f2d2aa3b256331eb1bdea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4eed98f0ffd12e610974abe8bb95e36df2761db6f2d2aa3b256331eb1bdea4", kill_on_drop: false }`
[INFO] [stdout] ba4eed98f0ffd12e610974abe8bb95e36df2761db6f2d2aa3b256331eb1bdea4
