[INFO] fetching crate libdb 0.1.1... [INFO] testing libdb-0.1.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate libdb 0.1.1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate libdb 0.1.1 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 libdb 0.1.1 [INFO] finished tweaking crates.io crate libdb 0.1.1 [INFO] tweaked toml for crates.io crate libdb 0.1.1 written to /workspace/builds/worker-10/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libdb-sys v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b19e1b9dd8dbd889312ec4adb12667a429bdd56a5c5fcfaa6a80a5684a811a83 [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" "b19e1b9dd8dbd889312ec4adb12667a429bdd56a5c5fcfaa6a80a5684a811a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b19e1b9dd8dbd889312ec4adb12667a429bdd56a5c5fcfaa6a80a5684a811a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19e1b9dd8dbd889312ec4adb12667a429bdd56a5c5fcfaa6a80a5684a811a83", kill_on_drop: false }` [INFO] [stdout] b19e1b9dd8dbd889312ec4adb12667a429bdd56a5c5fcfaa6a80a5684a811a83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7f9c26ea546d8e505d922ee3f6e405a1b675fb896a8226a6f145725f389cfb41 [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" "7f9c26ea546d8e505d922ee3f6e405a1b675fb896a8226a6f145725f389cfb41", kill_on_drop: false }` [INFO] [stderr] Compiling bindgen v0.51.1 [INFO] [stderr] Compiling libdb-sys v0.1.1 [INFO] [stderr] Compiling libdb v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `env` [INFO] [stdout] --> src/db.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | env: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 51s [INFO] running `Command { std: "docker" "inspect" "7f9c26ea546d8e505d922ee3f6e405a1b675fb896a8226a6f145725f389cfb41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f9c26ea546d8e505d922ee3f6e405a1b675fb896a8226a6f145725f389cfb41", kill_on_drop: false }` [INFO] [stdout] 7f9c26ea546d8e505d922ee3f6e405a1b675fb896a8226a6f145725f389cfb41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e6b74043d32a69128c76eefe35d482cfb007e9f901b5bdd088eff5a3845b334c [INFO] running `Command { std: "docker" "start" "-a" "e6b74043d32a69128c76eefe35d482cfb007e9f901b5bdd088eff5a3845b334c", kill_on_drop: false }` [INFO] [stderr] Compiling libdb v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `env` [INFO] [stdout] --> src/db.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | env: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db` [INFO] [stdout] --> tests/integration_test.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | Ok(db) => txn.commit(libdb::CommitType::Inherit).expect("Commit failed"), [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_db` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> tests/integration_test.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | let (env, db) = open_test_db(dbdir.path()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> tests/integration_test.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | let (env, db) = open_test_db(dbdir.path()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `env` [INFO] [stdout] --> src/db.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | env: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "e6b74043d32a69128c76eefe35d482cfb007e9f901b5bdd088eff5a3845b334c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b74043d32a69128c76eefe35d482cfb007e9f901b5bdd088eff5a3845b334c", kill_on_drop: false }` [INFO] [stdout] e6b74043d32a69128c76eefe35d482cfb007e9f901b5bdd088eff5a3845b334c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 35c9bb45a1bcde145265d80c5ed368d8648647d59e0b4f282d9fd008310cb3fd [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" "35c9bb45a1bcde145265d80c5ed368d8648647d59e0b4f282d9fd008310cb3fd", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `env` [INFO] [stderr] --> src/db.rs:285:5 [INFO] [stderr] | [INFO] [stderr] 285 | env: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `env` [INFO] [stderr] --> src/db.rs:285:5 [INFO] [stderr] | [INFO] [stderr] 285 | env: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `db` [INFO] [stderr] --> tests/integration_test.rs:120:12 [INFO] [stderr] | [INFO] [stderr] 120 | Ok(db) => txn.commit(libdb::CommitType::Inherit).expect("Commit failed"), [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_db` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> tests/integration_test.rs:14:14 [INFO] [stderr] | [INFO] [stderr] 14 | let (env, db) = open_test_db(dbdir.path()); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> tests/integration_test.rs:21:14 [INFO] [stderr] | [INFO] [stderr] 21 | let (env, db) = open_test_db(dbdir.path()); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/libdb-87b95bd65498334b [INFO] [stderr] Running /opt/rustwide/target/debug/deps/integration_test-62dea124e3609eb1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_transaction ... ok [INFO] [stdout] test test_cursor ... ok [INFO] [stderr] Doc-tests libdb [INFO] [stdout] test open_close_open_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/db.rs - db::Db::put (line 346) ... ok [INFO] [stdout] test src/db.rs - db::Db (line 276) ... ok [INFO] [stdout] test src/db.rs - db::Db::get (line 313) ... ok [INFO] [stdout] test src/db.rs - db::Db::cursor (line 379) ... ok [INFO] [stdout] test src/db.rs - db::Db::get (line 295) ... ok [INFO] [stdout] test src/db.rs - db::Env (line 102) ... FAILED [INFO] [stdout] test src/db.rs - db::Cursor::next (line 414) ... ok [INFO] [stdout] test src/lib.rs - (line 4) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/db.rs - db::Env (line 102) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] __db.001: Read-only file system [INFO] [stdout] thread 'main' panicked at 'assertion failed: ret.is_ok()', src/db.rs:9:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5590556ed027 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5590556ed027 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5590556ed027 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5590556ed027 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5590557037fc - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x5590556eb452 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x5590556eed65 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5590556eed65 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5590556eed65 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5590556ee8ba - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5590556ef501 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x5590556ef017 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:495:13 [INFO] [stdout] 12: 0x5590556ed4ec - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5590556eefa9 - rust_begin_unwind [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x559055702bd1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x559055702b1d - core::panicking::panic::h95b17729da7179c5 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x559055581ac8 - rust_out::main::_doctest_main_src_db_rs_102_0::hf4418a08bbe61a9f [INFO] [stdout] 17: 0x5590555819e6 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 18: 0x5590555818e3 - core::ops::function::FnOnce::call_once::h2f28b12db24480a4 [INFO] [stdout] 19: 0x559055581819 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7ff69755847bac0f [INFO] [stdout] 20: 0x559055581899 - std::rt::lang_start::{{closure}}::h8f8fe4b1b4c3ba44 [INFO] [stdout] 21: 0x5590556ef927 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x5590556ef927 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stdout] 23: 0x5590556ef927 - std::panicking::try::ha7167c079f243e71 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stdout] 24: 0x5590556ef927 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stdout] 25: 0x5590556ef927 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stdout] 26: 0x559055581878 - std::rt::lang_start::hd3cc8db4b735f367 [INFO] [stdout] 27: 0x559055581b2b - main [INFO] [stdout] 28: 0x7f468ce370b3 - __libc_start_main [INFO] [stdout] 29: 0x55905558174e - _start [INFO] [stdout] 30: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 4) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] __db.001: Read-only file system [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { errno: 30 }', src/lib.rs:9:6 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5608180c9a27 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5608180c9a27 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5608180c9a27 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5608180c9a27 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5608180e01fc - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x5608180c7e52 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x5608180cb765 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5608180cb765 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5608180cb765 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5608180cb2ba - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5608180cbf01 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x5608180cba47 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x5608180c9eec - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5608180cb9a9 - rust_begin_unwind [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x5608180df5d1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x5608180df3f3 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x560817f5a0b4 - core::result::Result::unwrap::hbc2276e292577348 [INFO] [stdout] 17: 0x560817f5a55b - rust_out::main::_doctest_main_src_lib_rs_4_0::h7bb0860cfa6e30f1 [INFO] [stdout] 18: 0x560817f5a466 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 19: 0x560817f59a63 - core::ops::function::FnOnce::call_once::h2f28b12db24480a4 [INFO] [stdout] 20: 0x560817f59809 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7ff69755847bac0f [INFO] [stdout] 21: 0x560817f59889 - std::rt::lang_start::{{closure}}::h8f8fe4b1b4c3ba44 [INFO] [stdout] 22: 0x5608180cc327 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x5608180cc327 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stdout] 24: 0x5608180cc327 - std::panicking::try::ha7167c079f243e71 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stdout] 25: 0x5608180cc327 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stdout] 26: 0x5608180cc327 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stdout] 27: 0x560817f59868 - std::rt::lang_start::hd3cc8db4b735f367 [INFO] [stdout] 28: 0x560817f5ae2b - main [INFO] [stdout] 29: 0x7ff7584d80b3 - __libc_start_main [INFO] [stdout] 30: 0x560817f5973e - _start [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/db.rs - db::Env (line 102) [INFO] [stdout] src/lib.rs - (line 4) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.86s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "35c9bb45a1bcde145265d80c5ed368d8648647d59e0b4f282d9fd008310cb3fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35c9bb45a1bcde145265d80c5ed368d8648647d59e0b4f282d9fd008310cb3fd", kill_on_drop: false }` [INFO] [stdout] 35c9bb45a1bcde145265d80c5ed368d8648647d59e0b4f282d9fd008310cb3fd