[INFO] fetching crate ngrams 1.0.1...
[INFO] testing ngrams-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ngrams 1.0.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ngrams 1.0.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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: v1.1.2)
[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" "+beta-2025-09-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1622987e8d6717836e9633ffd52c1ed42f4a9d3cac36b714f1a7890ac73566ce
[INFO] running `Command { std: "docker" "start" "-a" "1622987e8d6717836e9633ffd52c1ed42f4a9d3cac36b714f1a7890ac73566ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1622987e8d6717836e9633ffd52c1ed42f4a9d3cac36b714f1a7890ac73566ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1622987e8d6717836e9633ffd52c1ed42f4a9d3cac36b714f1a7890ac73566ce", kill_on_drop: false }`
[INFO] [stdout] 1622987e8d6717836e9633ffd52c1ed42f4a9d3cac36b714f1a7890ac73566ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ff7532a8b58d7224e8b3f4c6220820d1b0e523b40602a00f9609cc5d417732
[INFO] running `Command { std: "docker" "start" "-a" "c5ff7532a8b58d7224e8b3f4c6220820d1b0e523b40602a00f9609cc5d417732", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "c5ff7532a8b58d7224e8b3f4c6220820d1b0e523b40602a00f9609cc5d417732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ff7532a8b58d7224e8b3f4c6220820d1b0e523b40602a00f9609cc5d417732", kill_on_drop: false }`
[INFO] [stdout] c5ff7532a8b58d7224e8b3f4c6220820d1b0e523b40602a00f9609cc5d417732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e49c678fe2ca5c866264061b39745e0b275ca66f1f66bb8b13ce6e321001f4f1
[INFO] running `Command { std: "docker" "start" "-a" "e49c678fe2ca5c866264061b39745e0b275ca66f1f66bb8b13ce6e321001f4f1", 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 v1.1.22
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling rand v0.3.23
[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/rustc09rLyf/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libcurl-3981ce002d1331ee,libopenssl_probe-2c6d21a9709cae46,libcurl_sys-5dc9c819254ed70e,libopenssl_sys-dfd9204a0c43a0e5,liblibz_sys-8042b53e26311014,libflate2-eeff0b59179d4535,libminiz_sys-530df4164dcc8446,librand-a4bdcec6f7a89244,librand-c3348abdc94f84fc,liblibc-7a54cdb917ea7291,libngrams-0d3d990a2931d199}.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/rustc09rLyf/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-5a10579f7b1a4e4f/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-f1b70c9d90faf50a" "-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-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::set_id_callback::hbd605f75cf628ed0) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.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-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h575b3682f61fcc39) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SSL_load_error_strings
[INFO] [stdout]           >>> referenced by lib.rs:518 (src/lib.rs:518)
[INFO] [stdout]           >>>               openssl_sys-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h575b3682f61fcc39) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: OPENSSL_add_all_algorithms_noconf
[INFO] [stdout]           >>> referenced by lib.rs:519 (src/lib.rs:519)
[INFO] [stdout]           >>>               openssl_sys-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h575b3682f61fcc39) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: CRYPTO_num_locks
[INFO] [stdout]           >>> referenced by lib.rs:521 (src/lib.rs:521)
[INFO] [stdout]           >>>               openssl_sys-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h575b3682f61fcc39) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: CRYPTO_set_locking_callback
[INFO] [stdout]           >>> referenced by lib.rs:531 (src/lib.rs:531)
[INFO] [stdout]           >>>               openssl_sys-dfd9204a0c43a0e5.openssl_sys.a757794560c74157-cgu.0.rcgu.o:(openssl_sys::init::_$u7b$$u7b$closure$u7d$$u7d$::h575b3682f61fcc39) in archive /opt/rustwide/target/debug/deps/libopenssl_sys-dfd9204a0c43a0e5.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" "e49c678fe2ca5c866264061b39745e0b275ca66f1f66bb8b13ce6e321001f4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49c678fe2ca5c866264061b39745e0b275ca66f1f66bb8b13ce6e321001f4f1", kill_on_drop: false }`
[INFO] [stdout] e49c678fe2ca5c866264061b39745e0b275ca66f1f66bb8b13ce6e321001f4f1
