[INFO] fetching crate sbnf 0.4.0... [INFO] testing sbnf-0.4.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate sbnf 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate sbnf 0.4.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 620da482384a6e4805852044cfaf5e409046b5944141aa4fa9a7d09ce0ca06f7 [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" "620da482384a6e4805852044cfaf5e409046b5944141aa4fa9a7d09ce0ca06f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "620da482384a6e4805852044cfaf5e409046b5944141aa4fa9a7d09ce0ca06f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "620da482384a6e4805852044cfaf5e409046b5944141aa4fa9a7d09ce0ca06f7", kill_on_drop: false }` [INFO] [stdout] 620da482384a6e4805852044cfaf5e409046b5944141aa4fa9a7d09ce0ca06f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9cca6f96bd5592847a96cc6a18a67bfac970ab2d7e321fcf8fcacc2c4739e3b [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" "d9cca6f96bd5592847a96cc6a18a67bfac970ab2d7e321fcf8fcacc2c4739e3b", kill_on_drop: false }` [INFO] [stderr] Compiling sbnf v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.81s [INFO] running `Command { std: "docker" "inspect" "d9cca6f96bd5592847a96cc6a18a67bfac970ab2d7e321fcf8fcacc2c4739e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9cca6f96bd5592847a96cc6a18a67bfac970ab2d7e321fcf8fcacc2c4739e3b", kill_on_drop: false }` [INFO] [stdout] d9cca6f96bd5592847a96cc6a18a67bfac970ab2d7e321fcf8fcacc2c4739e3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7891c6c8e1a196e86d61c6690b88fd267565141316b356f67cc5d7ea4e525a00 [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" "7891c6c8e1a196e86d61c6690b88fd267565141316b356f67cc5d7ea4e525a00", kill_on_drop: false }` [INFO] [stderr] Compiling maplit v1.0.2 [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 6.70s [INFO] running `Command { std: "docker" "inspect" "7891c6c8e1a196e86d61c6690b88fd267565141316b356f67cc5d7ea4e525a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7891c6c8e1a196e86d61c6690b88fd267565141316b356f67cc5d7ea4e525a00", kill_on_drop: false }` [INFO] [stdout] 7891c6c8e1a196e86d61c6690b88fd267565141316b356f67cc5d7ea4e525a00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2297847dbe17ffcab193ef0166ff0d38ffea2ecb639a9fa037ad190f33e60b0a [INFO] running `Command { std: "docker" "start" "-a" "2297847dbe17ffcab193ef0166ff0d38ffea2ecb639a9fa037ad190f33e60b0a", 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 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sbnf-be325ad050d5794c [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test sbnf::tests::parse_empty ... ok [INFO] [stdout] test sbnf::tests::parse_headers ... ok [INFO] [stdout] test sbnf::tests::parse_rules ... ok [INFO] [stdout] test sbnf::tests::parse_syntax_parameters ... ok [INFO] [stdout] test sbnf::tests::parse_terminals ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_contexts ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_empty_syntax ... ok [INFO] [stdout] test sublime_syntax::tests::serialize_variables ... ok [INFO] [stdout] test compiler::tests::compile_syntax_parameters ... ok [INFO] [stdout] test compiler::codegen::tests::collect_alternation ... ok [INFO] [stdout] test compiler::tests::compile_simple_branch ... ok [INFO] [stdout] test compiler::codegen::tests::collect_repetition ... ok [INFO] [stdout] test compiler::codegen::tests::collect_passive ... ok [INFO] [stdout] test compiler::codegen::tests::collect_optional ... ok [INFO] [stdout] test compiler::codegen::tests::collect_concat ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/syntax_tests-1bb65cde20176241 [INFO] [stdout] test compiler::tests::compile_simple_repetition ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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: 0x557dee9f4390 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x557dee9f4390 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557dee9f4390 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557dee9f4390 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557deea13c7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x557dee9f1062 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x557dee9f6a05 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557dee9f6a05 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557dee9f6a05 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x557dee9f655a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x557dee9f71a1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x557dee9f6ce7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x557dee9f484c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x557dee9f6c49 - rust_begin_unwind [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x557deea13021 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x557deea12e43 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x557dee9d9aa0 - core::result::Result::unwrap::h887ce6d9181be759 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x557dee9cd255 - syntax_tests::main::hc6001ff8e379e7d8 [INFO] [stderr] at /opt/rustwide/workdir/tests/syntax_tests.rs:19:5 [INFO] [stderr] 18: 0x557dee9d10fb - core::ops::function::FnOnce::call_once::h508bb89ef28754f3 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x557dee9d4abe - std::sys_common::backtrace::__rust_begin_short_backtrace::ha7d5302785df7033 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x557dee9d0641 - std::rt::lang_start::{{closure}}::hb7775038fbba01e3 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x557dee9f75c7 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x557dee9f75c7 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x557dee9f75c7 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x557dee9f75c7 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x557dee9f75c7 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x557dee9d0617 - std::rt::lang_start::h75ce491a267972e6 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x557dee9cf31a - main [INFO] [stderr] 28: 0x7fbdb66820b3 - __libc_start_main [INFO] [stderr] 29: 0x557dee9cd0ce - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--test syntax_tests' [INFO] running `Command { std: "docker" "inspect" "2297847dbe17ffcab193ef0166ff0d38ffea2ecb639a9fa037ad190f33e60b0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2297847dbe17ffcab193ef0166ff0d38ffea2ecb639a9fa037ad190f33e60b0a", kill_on_drop: false }` [INFO] [stdout] 2297847dbe17ffcab193ef0166ff0d38ffea2ecb639a9fa037ad190f33e60b0a