[INFO] fetching crate classic_crypto 0.2.0...
[INFO] testing classic_crypto-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate classic_crypto 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate classic_crypto 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate classic_crypto 0.2.0
[INFO] finished tweaking crates.io crate classic_crypto 0.2.0
[INFO] tweaked toml for crates.io crate classic_crypto 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 658e60ec4659a8b19fe4255174b28f69e0addc44050feba7af0ad594cbe49d72
[INFO] running `Command { std: "docker" "start" "-a" "658e60ec4659a8b19fe4255174b28f69e0addc44050feba7af0ad594cbe49d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658e60ec4659a8b19fe4255174b28f69e0addc44050feba7af0ad594cbe49d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658e60ec4659a8b19fe4255174b28f69e0addc44050feba7af0ad594cbe49d72", kill_on_drop: false }`
[INFO] [stdout] 658e60ec4659a8b19fe4255174b28f69e0addc44050feba7af0ad594cbe49d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b75e6d5df24ea7ad9437595482e9237fb73614410a5dbba17f69b111c32219
[INFO] running `Command { std: "docker" "start" "-a" "a4b75e6d5df24ea7ad9437595482e9237fb73614410a5dbba17f69b111c32219", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling classic_crypto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "a4b75e6d5df24ea7ad9437595482e9237fb73614410a5dbba17f69b111c32219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b75e6d5df24ea7ad9437595482e9237fb73614410a5dbba17f69b111c32219", kill_on_drop: false }`
[INFO] [stdout] a4b75e6d5df24ea7ad9437595482e9237fb73614410a5dbba17f69b111c32219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539694e4ded83837833c527a95b3d109be018fa55057fa3851cdd96213cf9db9
[INFO] running `Command { std: "docker" "start" "-a" "539694e4ded83837833c527a95b3d109be018fa55057fa3851cdd96213cf9db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling classic_crypto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "539694e4ded83837833c527a95b3d109be018fa55057fa3851cdd96213cf9db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539694e4ded83837833c527a95b3d109be018fa55057fa3851cdd96213cf9db9", kill_on_drop: false }`
[INFO] [stdout] 539694e4ded83837833c527a95b3d109be018fa55057fa3851cdd96213cf9db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a0d7b1a6273279445bdb058f37ba0b6dc1ca1d9192a82febb24b6991fb4c09b
[INFO] running `Command { std: "docker" "start" "-a" "4a0d7b1a6273279445bdb058f37ba0b6dc1ca1d9192a82febb24b6991fb4c09b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/classic_crypto-70771b98361cfd5b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test util::prime_gen::tests::prime_gen_test ... ok
[INFO] [stdout] test cipher::monoalph::morse::tests::encrypt ... ok
[INFO] [stdout] test util::prime_gen::tests::factor_test ... ok
[INFO] [stdout] test cipher::monoalph::morse::tests::decrypt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests classic_crypto
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/util/mod.rs - util::blocks (line 43) ... ok
[INFO] [stdout] test src/util/mod.rs - util::is_unique (line 17) ... ok
[INFO] [stdout] test src/util/mod.rs - util::mmi (line 347) ... ok
[INFO] [stdout] test src/util/mod.rs - util::fill_random_array (line 225) ... ok
[INFO] [stdout] test src/lang/language.rs - lang::language::Language::del_substitution (line 727) ... ok
[INFO] [stdout] test src/lang/language.rs - lang::language::Language::substitute_string (line 759) ... ok
[INFO] [stdout] test src/util/mod.rs - util::invert (line 276) ... ok
[INFO] [stdout] test src/util/mod.rs - util::fill_alphabet_from_start (line 150) ... ok
[INFO] [stdout] test src/lang/language.rs - lang::language::Language::add_substitution (line 705) ... ok
[INFO] [stdout] test src/util/mod.rs - util::modulo (line 419) ... ok
[INFO] [stdout] test src/util/mod.rs - util::fill_alphabet_continue (line 85) ... ok
[INFO] [stdout] test src/util/mod.rs - util::fill_consecutive_vec (line 198) ... ok
[INFO] [stdout] test src/util/mod.rs - util::gcd (line 392) ... ok
[INFO] [stdout] test src/util/mod.rs - util::shuffle (line 250) ... ok
[INFO] [stdout] test src/util/mod.rs - util::find_order (line 311) ... ok
[INFO] [stdout] test src/lang/language.rs - lang::language::Language::new (line 117) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lang/language.rs - lang::language::Language::new (line 117) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lang/language.rs:34:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5632cba93a7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5632cba93a7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5632cba93a7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5632cba93a7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5632cbab38b0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5632cbab38b0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5632cba91eff - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5632cba93864 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5632cba93864 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5632cba94d77 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5632cba94adf - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x5632cba951f8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x5632cba950de - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x5632cba93f46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x5632cba94e42 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x5632cba4ee55 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5632cba4f3a3 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   17:     0x5632cba548eb - core::result::Result<T,E>::unwrap::haace680d1a60fcff
[INFO] [stdout]   18:     0x5632cba5b0b1 - rust_out::main::_doctest_main_src_lang_language_rs_117_0::hde6e28b3e4fed457
[INFO] [stdout]   19:     0x5632cba5a816 - rust_out::main::hc20c0d07e2402830
[INFO] [stdout]   20:     0x5632cba52c73 - core::ops::function::FnOnce::call_once::hbc459743598298c4
[INFO] [stdout]   21:     0x5632cba528f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h62debe7d3058b76a
[INFO] [stdout]   22:     0x5632cba52ab9 - std::rt::lang_start::{{closure}}::h8f486f3e1e6418b2
[INFO] [stdout]   23:     0x5632cba8f3d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x5632cba8f3d7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   25:     0x5632cba8f3d7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   26:     0x5632cba8f3d7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x5632cba8f3d7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x5632cba8f3d7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5632cba8f3d7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5632cba8f3d7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5632cba8f3d7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x5632cba52a97 - std::rt::lang_start::h2c48f91a7bf85629
[INFO] [stdout]   33:     0x5632cba5b265 - main
[INFO] [stdout]   34:     0x7f1cf3ff3d90 - <unknown>
[INFO] [stdout]   35:     0x7f1cf3ff3e40 - __libc_start_main
[INFO] [stdout]   36:     0x5632cba4f665 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lang/language.rs - lang::language::Language::new (line 117)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4a0d7b1a6273279445bdb058f37ba0b6dc1ca1d9192a82febb24b6991fb4c09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0d7b1a6273279445bdb058f37ba0b6dc1ca1d9192a82febb24b6991fb4c09b", kill_on_drop: false }`
[INFO] [stdout] 4a0d7b1a6273279445bdb058f37ba0b6dc1ca1d9192a82febb24b6991fb4c09b
