[INFO] fetching crate sbnf 0.4.0... [INFO] testing sbnf-0.4.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate sbnf 0.4.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate sbnf 0.4.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate sbnf 0.4.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate sbnf 0.4.0 [INFO] tweaked toml for crates.io crate sbnf 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9203beacc659cf570914b1299a48a1518981ba8bdb3a11e1b2edb765fa269849 [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" "9203beacc659cf570914b1299a48a1518981ba8bdb3a11e1b2edb765fa269849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9203beacc659cf570914b1299a48a1518981ba8bdb3a11e1b2edb765fa269849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9203beacc659cf570914b1299a48a1518981ba8bdb3a11e1b2edb765fa269849", kill_on_drop: false }` [INFO] [stdout] 9203beacc659cf570914b1299a48a1518981ba8bdb3a11e1b2edb765fa269849 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a69549154cb356b2694e31cef999a6a63a8551a7da99d001d81f33d0e9dfc194 [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" "a69549154cb356b2694e31cef999a6a63a8551a7da99d001d81f33d0e9dfc194", kill_on_drop: false }` [INFO] [stderr] Compiling sbnf v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.80s [INFO] running `Command { std: "docker" "inspect" "a69549154cb356b2694e31cef999a6a63a8551a7da99d001d81f33d0e9dfc194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a69549154cb356b2694e31cef999a6a63a8551a7da99d001d81f33d0e9dfc194", kill_on_drop: false }` [INFO] [stdout] a69549154cb356b2694e31cef999a6a63a8551a7da99d001d81f33d0e9dfc194 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e8fed05050c8e4d75a136aa6262658b0c3ae5fce5934835d1dc66ee67c783db [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" "5e8fed05050c8e4d75a136aa6262658b0c3ae5fce5934835d1dc66ee67c783db", kill_on_drop: false }` [INFO] [stderr] Compiling sbnf v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Variable` [INFO] [stdout] --> src/compiler/codegen.rs:1388:9 [INFO] [stdout] | [INFO] [stdout] 1388 | Variable(&'static str), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `variable` [INFO] [stdout] --> src/compiler/codegen.rs:1437:8 [INFO] [stdout] | [INFO] [stdout] 1437 | fn variable(s: &'static str) -> TestExpression { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `m_var` [INFO] [stdout] --> src/compiler/codegen.rs:1481:8 [INFO] [stdout] | [INFO] [stdout] 1481 | fn m_var(s: &'static str, r: &[TestExpression]) -> TestMatch { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.53s [INFO] running `Command { std: "docker" "inspect" "5e8fed05050c8e4d75a136aa6262658b0c3ae5fce5934835d1dc66ee67c783db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e8fed05050c8e4d75a136aa6262658b0c3ae5fce5934835d1dc66ee67c783db", kill_on_drop: false }` [INFO] [stdout] 5e8fed05050c8e4d75a136aa6262658b0c3ae5fce5934835d1dc66ee67c783db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a40a261cb56581b42d31f5e9a6ba135e0d1f05091f6cbdca5c72dcd15f53cdbe [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" "a40a261cb56581b42d31f5e9a6ba135e0d1f05091f6cbdca5c72dcd15f53cdbe", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `Variable` [INFO] [stderr] --> src/compiler/codegen.rs:1388:9 [INFO] [stderr] | [INFO] [stderr] 1388 | Variable(&'static str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `variable` [INFO] [stderr] --> src/compiler/codegen.rs:1437:8 [INFO] [stderr] | [INFO] [stderr] 1437 | fn variable(s: &'static str) -> TestExpression { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `m_var` [INFO] [stderr] --> src/compiler/codegen.rs:1481:8 [INFO] [stderr] | [INFO] [stderr] 1481 | fn m_var(s: &'static str, r: &[TestExpression]) -> TestMatch { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sbnf-4c4004d38e400de4 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test compiler::tests::compile_syntax_parameters ... ok [INFO] [stdout] test compiler::tests::compile_simple_repetition ... ok [INFO] [stdout] test sbnf::tests::parse_empty ... ok [INFO] [stdout] test compiler::codegen::tests::collect_concat ... ok [INFO] [stdout] test compiler::codegen::tests::collect_repetition ... ok [INFO] [stdout] test sbnf::tests::parse_headers ... ok [INFO] [stdout] test sbnf::tests::parse_terminals ... ok [INFO] [stdout] test compiler::codegen::tests::collect_optional ... ok [INFO] [stdout] test sbnf::tests::parse_syntax_parameters ... ok [INFO] [stdout] test compiler::codegen::tests::collect_alternation ... ok [INFO] [stdout] test compiler::codegen::tests::collect_passive ... ok [INFO] [stdout] test compiler::tests::compile_simple_branch ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_contexts ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_variables ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_empty_syntax ... ok [INFO] [stdout] test sbnf::tests::parse_rules ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/syntax_tests-294088c4bca0462f [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/syntax_tests.rs:19:58 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556002ffcc67 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x556002ffcc67 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556002ffcc67 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556002ffcc67 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556003018b2c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x556002ff9c92 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x556002ffede5 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556002ffede5 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556002ffede5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556002ffe93a - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x556002fff581 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x556002fff0c7 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x556002ffd12c - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556002fff029 - rust_begin_unwind [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x556003017f01 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x556003017d23 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x556002fdcad1 - core::result::Result::unwrap::h8ee16eea9f02c3a3 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x556002fd0262 - syntax_tests::main::he6f73e4e6c305d39 [INFO] [stderr] at /opt/rustwide/workdir/tests/syntax_tests.rs:19:5 [INFO] [stderr] 18: 0x556002fd385b - core::ops::function::FnOnce::call_once::hf98611a746a95842 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x556002fdd35e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3f6f73eb2efc8f79 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556002fd4f11 - std::rt::lang_start::{{closure}}::h187519fa84037f73 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x556002fff9a7 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x556002fff9a7 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x556002fff9a7 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x556002fff9a7 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x556002fff9a7 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x556002fd4ee7 - std::rt::lang_start::ha0ddced0615c4a23 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x556002fd245a - main [INFO] [stderr] 28: 0x7f658cd2c0b3 - __libc_start_main [INFO] [stderr] 29: 0x556002fd00ce - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--test syntax_tests' [INFO] running `Command { std: "docker" "inspect" "a40a261cb56581b42d31f5e9a6ba135e0d1f05091f6cbdca5c72dcd15f53cdbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a40a261cb56581b42d31f5e9a6ba135e0d1f05091f6cbdca5c72dcd15f53cdbe", kill_on_drop: false }` [INFO] [stdout] a40a261cb56581b42d31f5e9a6ba135e0d1f05091f6cbdca5c72dcd15f53cdbe