[INFO] fetching crate ledger-kv 0.1.0...
[INFO] testing ledger-kv-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate ledger-kv 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ledger-kv 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-kv 0.1.0
[INFO] finished tweaking crates.io crate ledger-kv 0.1.0
[INFO] tweaked toml for crates.io crate ledger-kv 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ledger-kv 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded borsh-derive v1.1.1
[INFO] [stderr]   Downloaded borsh v1.1.1
[INFO] [stderr]   Downloaded memmap2 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b40b252a1f1a15d3fe551d272c7ca0e491aefec84616356259eebf81d7b9023
[INFO] running `Command { std: "docker" "start" "-a" "4b40b252a1f1a15d3fe551d272c7ca0e491aefec84616356259eebf81d7b9023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b40b252a1f1a15d3fe551d272c7ca0e491aefec84616356259eebf81d7b9023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b40b252a1f1a15d3fe551d272c7ca0e491aefec84616356259eebf81d7b9023", kill_on_drop: false }`
[INFO] [stdout] 4b40b252a1f1a15d3fe551d272c7ca0e491aefec84616356259eebf81d7b9023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a080eff2d929844d580149186d7a607cd4b4cb550e72753b1c9a6415858fc6f0
[INFO] running `Command { std: "docker" "start" "-a" "a080eff2d929844d580149186d7a607cd4b4cb550e72753b1c9a6415858fc6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling winnow v0.5.18
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling borsh v1.1.1
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling clap_builder v4.4.7
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling zerocopy v0.7.21
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling memmap2 v0.9.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling fs-err v2.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling clap v4.4.7
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling borsh-derive v1.1.1
[INFO] [stderr]    Compiling ledger-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.11s
[INFO] running `Command { std: "docker" "inspect" "a080eff2d929844d580149186d7a607cd4b4cb550e72753b1c9a6415858fc6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a080eff2d929844d580149186d7a607cd4b4cb550e72753b1c9a6415858fc6f0", kill_on_drop: false }`
[INFO] [stdout] a080eff2d929844d580149186d7a607cd4b4cb550e72753b1c9a6415858fc6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451db7c9685d9623b04322ed9413d9686ffd7926a7623cf27544bb56aea0d2e4
[INFO] running `Command { std: "docker" "start" "-a" "451db7c9685d9623b04322ed9413d9686ffd7926a7623cf27544bb56aea0d2e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling ledger-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "451db7c9685d9623b04322ed9413d9686ffd7926a7623cf27544bb56aea0d2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451db7c9685d9623b04322ed9413d9686ffd7926a7623cf27544bb56aea0d2e4", kill_on_drop: false }`
[INFO] [stdout] 451db7c9685d9623b04322ed9413d9686ffd7926a7623cf27544bb56aea0d2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26dca3f0f8811446ee5f2fceb5ab18cbbc2e80d4cb0d51ceae2a6eb6ea76893e
[INFO] running `Command { std: "docker" "start" "-a" "26dca3f0f8811446ee5f2fceb5ab18cbbc2e80d4cb0d51ceae2a6eb6ea76893e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ledger_kv-d911c40934524ab5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_compute_cumulative_hash ... ok
[INFO] [stdout] test tests::test_refresh ... ok
[INFO] [stdout] test tests::test_upsert ... ok
[INFO] [stdout] test tests::test_delete ... ok
[INFO] [stdout] test tests::test_save ... ok
[INFO] [stdout] test tests::test_upsert_with_mismatched_entry_type ... ok
[INFO] [stdout] test tests::test_refresh_ledger ... ok
[INFO] [stdout] test tests::test_upsert_with_matching_entry_label ... ok
[INFO] [stdout] test tests::test_delete_with_mismatched_entry_type ... ok
[INFO] [stdout] test tests::test_delete_with_matching_entry_type ... ok
[INFO] [stdout] test tests::test_get_append_journal_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ledger_kv-83e72eee1c866a8f)
[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] [stderr]      Running tests/ledger_kv.rs (/opt/rustwide/target/debug/deps/ledger_kv-d35d840ddb5be822)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_refresh ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ledger_kv
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:155:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: ReadOnlyFilesystem, error: Error { kind: CreateDir, source: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }, path: "data" } }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d3b6ce2016 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d3b6ce2016 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d3b6ce2016 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d3b6ce2016 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d3b6d01390 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d3b6d01390 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d3b6ce025f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55d3b6ce1df4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d3b6ce1df4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d3b6ce3357 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55d3b6ce30b9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55d3b6ce37e8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55d3b6ce36c2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55d3b6ce2516 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55d3b6ce3420 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55d3b6c772d5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55d3b6c77873 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55d3b6c98b3d - core::result::Result<T,E>::unwrap::h1682d1e5401c003d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   18:     0x55d3b6c856f6 - ledger_kv::LedgerKV::new::h5fe0faf0a3f33ab7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:155:9
[INFO] [stdout]   19:     0x55d3b6c78c01 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   20:     0x55d3b6c784d3 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   21:     0x55d3b6c78146 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   22:     0x55d3b6c78199 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   23:     0x55d3b6cdcba1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x55d3b6cdcba1 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   25:     0x55d3b6cdcba1 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   26:     0x55d3b6cdcba1 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x55d3b6cdcba1 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x55d3b6cdcba1 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55d3b6cdcba1 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55d3b6cdcba1 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55d3b6cdcba1 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x55d3b6c78177 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   33:     0x55d3b6c78f85 - main
[INFO] [stdout]   34:     0x7ff9e693cd90 - <unknown>
[INFO] [stdout]   35:     0x7ff9e693ce40 - __libc_start_main
[INFO] [stdout]   36:     0x55d3b6c77b35 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "26dca3f0f8811446ee5f2fceb5ab18cbbc2e80d4cb0d51ceae2a6eb6ea76893e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26dca3f0f8811446ee5f2fceb5ab18cbbc2e80d4cb0d51ceae2a6eb6ea76893e", kill_on_drop: false }`
[INFO] [stdout] 26dca3f0f8811446ee5f2fceb5ab18cbbc2e80d4cb0d51ceae2a6eb6ea76893e
[INFO] testing ledger-kv-0.1.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate ledger-kv 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ledger-kv 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-kv 0.1.0
[INFO] finished tweaking crates.io crate ledger-kv 0.1.0
[INFO] tweaked toml for crates.io crate ledger-kv 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ledger-kv 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0408afa147217583cc1d793901b85fb2e96449532cd63602a191d4fa2eff0ba3
[INFO] running `Command { std: "docker" "start" "-a" "0408afa147217583cc1d793901b85fb2e96449532cd63602a191d4fa2eff0ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0408afa147217583cc1d793901b85fb2e96449532cd63602a191d4fa2eff0ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0408afa147217583cc1d793901b85fb2e96449532cd63602a191d4fa2eff0ba3", kill_on_drop: false }`
[INFO] [stdout] 0408afa147217583cc1d793901b85fb2e96449532cd63602a191d4fa2eff0ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 527dbe983ea3636cdd8b725c523e249e4900effe3273a096631f1964ac66002a
[INFO] running `Command { std: "docker" "start" "-a" "527dbe983ea3636cdd8b725c523e249e4900effe3273a096631f1964ac66002a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling winnow v0.5.18
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling borsh v1.1.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling clap_builder v4.4.7
[INFO] [stderr]    Compiling zerocopy v0.7.21
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling memmap2 v0.9.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling fs-err v2.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling clap v4.4.7
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling borsh-derive v1.1.1
[INFO] [stderr]    Compiling ledger-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "527dbe983ea3636cdd8b725c523e249e4900effe3273a096631f1964ac66002a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527dbe983ea3636cdd8b725c523e249e4900effe3273a096631f1964ac66002a", kill_on_drop: false }`
[INFO] [stdout] 527dbe983ea3636cdd8b725c523e249e4900effe3273a096631f1964ac66002a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5017688e22fc37006446ccb4c2cc94be5b1a8f6cda5c28eeedcb1d78f4610f3b
[INFO] running `Command { std: "docker" "start" "-a" "5017688e22fc37006446ccb4c2cc94be5b1a8f6cda5c28eeedcb1d78f4610f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling ledger-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "5017688e22fc37006446ccb4c2cc94be5b1a8f6cda5c28eeedcb1d78f4610f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5017688e22fc37006446ccb4c2cc94be5b1a8f6cda5c28eeedcb1d78f4610f3b", kill_on_drop: false }`
[INFO] [stdout] 5017688e22fc37006446ccb4c2cc94be5b1a8f6cda5c28eeedcb1d78f4610f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0e3cdc4479e15af26265b6c62bc7be1a9cf750604222bb950fd5e9c76a7b466
[INFO] running `Command { std: "docker" "start" "-a" "c0e3cdc4479e15af26265b6c62bc7be1a9cf750604222bb950fd5e9c76a7b466", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ledger_kv-f649f9b537aebc2f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_compute_cumulative_hash ... ok
[INFO] [stdout] test tests::test_get_append_journal_file ... ok
[INFO] [stdout] test tests::test_delete ... ok
[INFO] [stdout] test tests::test_delete_with_matching_entry_type ... ok
[INFO] [stdout] test tests::test_delete_with_mismatched_entry_type ... ok
[INFO] [stdout] test tests::test_refresh ... ok
[INFO] [stdout] test tests::test_upsert_with_mismatched_entry_type ... ok
[INFO] [stdout] test tests::test_save ... ok
[INFO] [stdout] test tests::test_upsert_with_matching_entry_label ... ok
[INFO] [stdout] test tests::test_upsert ... ok
[INFO] [stdout] test tests::test_refresh_ledger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ledger_kv-6b002e95909c8f4c)
[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] [stderr]      Running tests/ledger_kv.rs (/opt/rustwide/target/debug/deps/ledger_kv-34fec052a5050b93)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_refresh ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ledger_kv
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:155:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: ReadOnlyFilesystem, error: Error { kind: CreateDir, source: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }, path: "data" } }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5610ad08ff76 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5610ad08ff76 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5610ad08ff76 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5610ad08ff76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5610ad0af040 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5610ad0af040 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5610ad08dfcf - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5610ad08fd54 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5610ad08fd54 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5610ad0912b7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x5610ad091019 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x5610ad091748 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x5610ad091622 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x5610ad090476 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5610ad091374 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x5610ad0252d5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5610ad025873 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x5610ad029ea4 - core::result::Result<T,E>::unwrap::hc5fcd3f8b8103999
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   18:     0x5610ad029ea4 - ledger_kv::LedgerKV::new::h39f7d048235457ea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:155:9
[INFO] [stdout]   19:     0x5610ad026c41 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   20:     0x5610ad026553 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   21:     0x5610ad0260f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   22:     0x5610ad026149 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   23:     0x5610ad08a871 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x5610ad08a871 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   25:     0x5610ad08a871 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   26:     0x5610ad08a871 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x5610ad08a871 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x5610ad08a871 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x5610ad08a871 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x5610ad08a871 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5610ad08a871 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x5610ad026127 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   33:     0x5610ad027125 - main
[INFO] [stdout]   34:     0x7fce06b46d90 - <unknown>
[INFO] [stdout]   35:     0x7fce06b46e40 - __libc_start_main
[INFO] [stdout]   36:     0x5610ad025b35 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c0e3cdc4479e15af26265b6c62bc7be1a9cf750604222bb950fd5e9c76a7b466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e3cdc4479e15af26265b6c62bc7be1a9cf750604222bb950fd5e9c76a7b466", kill_on_drop: false }`
[INFO] [stdout] c0e3cdc4479e15af26265b6c62bc7be1a9cf750604222bb950fd5e9c76a7b466
