[INFO] fetching crate rs-fsring 3.1.0...
[INFO] testing rs-fsring-3.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate rs-fsring 3.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rs-fsring 3.1.0
[INFO] finished tweaking crates.io crate rs-fsring 3.1.0
[INFO] tweaked toml for crates.io crate rs-fsring 3.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-fsring 3.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ffb10fb0e7060bb20b370a80aa7357c3f72bb854b4ac559d93155cf3ee5fb6b
[INFO] running `Command { std: "docker" "start" "-a" "9ffb10fb0e7060bb20b370a80aa7357c3f72bb854b4ac559d93155cf3ee5fb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ffb10fb0e7060bb20b370a80aa7357c3f72bb854b4ac559d93155cf3ee5fb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffb10fb0e7060bb20b370a80aa7357c3f72bb854b4ac559d93155cf3ee5fb6b", kill_on_drop: false }`
[INFO] [stdout] 9ffb10fb0e7060bb20b370a80aa7357c3f72bb854b4ac559d93155cf3ee5fb6b
[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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46554801431a8f5c3f3368fad863747dee4c5462c72fb6935b8f919b7fc163c0
[INFO] running `Command { std: "docker" "start" "-a" "46554801431a8f5c3f3368fad863747dee4c5462c72fb6935b8f919b7fc163c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-fsring v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "46554801431a8f5c3f3368fad863747dee4c5462c72fb6935b8f919b7fc163c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46554801431a8f5c3f3368fad863747dee4c5462c72fb6935b8f919b7fc163c0", kill_on_drop: false }`
[INFO] [stdout] 46554801431a8f5c3f3368fad863747dee4c5462c72fb6935b8f919b7fc163c0
[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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008f89ea41be00dd13997be8e20b682648287bcad84709d575c8bfb4db359e52
[INFO] running `Command { std: "docker" "start" "-a" "008f89ea41be00dd13997be8e20b682648287bcad84709d575c8bfb4db359e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-fsring v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/u/buf.rs:291:34
[INFO] [stdout]     |
[INFO] [stdout] 291 |             let chk = |_: &[u8]| (b"cafef00ddeadbeafface864299792458".to_vec());
[INFO] [stdout]     |                                  ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 291 -             let chk = |_: &[u8]| (b"cafef00ddeadbeafface864299792458".to_vec());
[INFO] [stdout] 291 +             let chk = |_: &[u8]| b"cafef00ddeadbeafface864299792458".to_vec();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "008f89ea41be00dd13997be8e20b682648287bcad84709d575c8bfb4db359e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008f89ea41be00dd13997be8e20b682648287bcad84709d575c8bfb4db359e52", kill_on_drop: false }`
[INFO] [stdout] 008f89ea41be00dd13997be8e20b682648287bcad84709d575c8bfb4db359e52
[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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1aa3d27e4561494baacd93e6a6c0aadfe7c87fd2accc7bf981f1582044b6f404
[INFO] running `Command { std: "docker" "start" "-a" "1aa3d27e4561494baacd93e6a6c0aadfe7c87fd2accc7bf981f1582044b6f404", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stdout] 
[INFO] [stderr]    --> src/u/buf.rs:291:34
[INFO] [stdout] running 47 tests
[INFO] [stderr]     |
[INFO] [stdout] test empty::test_empty::empty_checker_new_default::test_empty ... ignored
[INFO] [stderr] 291 |             let chk = |_: &[u8]| (b"cafef00ddeadbeafface864299792458".to_vec());
[INFO] [stdout] test empty::test_empty::len2empty::test_non0 ... ok
[INFO] [stderr]     |                                  ^                                            ^
[INFO] [stdout] test empty::test_empty::len2empty::test_zero ... ok
[INFO] [stderr]     |
[INFO] [stdout] test full::test_full::fullpath_builder_new::test_u8 ... ok
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test empty::test_empty::nonempty_checker_new::test_empty ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test integer::u::test_u::name_checker_u8_new::test_all_valid ... ok
[INFO] [stderr]     |
[INFO] [stdout] test empty::test_empty::kind2empty::test_noent ... ok
[INFO] [stderr] 291 -             let chk = |_: &[u8]| (b"cafef00ddeadbeafface864299792458".to_vec());
[INFO] [stdout] test integer::u::test_u::name_checker_u8_new::test_zero ... ok
[INFO] [stderr] 291 +             let chk = |_: &[u8]| b"cafef00ddeadbeafface864299792458".to_vec();
[INFO] [stdout] test integer::u::test_u::next_gen_by_prev_u8_hex::test_valid_name ... ok
[INFO] [stderr]     |
[INFO] [stdout] test integer::u::test_u::next_gen_by_prev_u8_new::test_valid_name ... ok
[INFO] [stderr] 
[INFO] [stdout] test integer::u::test_u::u2n3_hex::test_max ... ok
[INFO] [stderr] warning: `rs-fsring` (lib test) generated 1 warning (run `cargo fix --lib -p rs-fsring --tests` to apply 1 suggestion)
[INFO] [stdout] test integer::u::test_u::u2n3_hex::test_zero ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test list::test_list::list_request_handler_new::test_empty ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_fsring-0481e4435cc4aeca)
[INFO] [stdout] test list::test_list::list_request_handler_new::test_empty_all ... ok
[INFO] [stdout] test list::test_list::list_request_handler_new::test_filter_err ... ok
[INFO] [stdout] test list::test_list::list_request_handler_new_default::test_all_empty ... ignored
[INFO] [stdout] test list::test_list::list_request_handler_new::test_nonempty_all ... ok
[INFO] [stdout] test list::test_list::list_request_handler_new::test_unable2get_list ... ok
[INFO] [stdout] test next::test_next::get_next_checked_new::test_empty ... ok
[INFO] [stdout] test next::test_next::get_next_checked_new::test_noent ... ok
[INFO] [stdout] test next::test_next::get_next_checked_new::test_unexpected ... ok
[INFO] [stdout] test next::u::test_u::next_random_u8_new_from_path_default::test_single ... ignored
[INFO] [stdout] test next::test_next::get_next_checked_new::test_used ... ok
[INFO] [stdout] test list::u::test_u::list_names_u8_all_new::test_len ... ok
[INFO] [stdout] test next::test_next::get_next_simple_retry::test_no_empty ... ok
[INFO] [stdout] test next::test_next::get_next_simple_retry::test_empty1st ... ok
[INFO] [stdout] test test_lib::remove_broken_buffers::test_invalid ... ignored
[INFO] [stdout] test test_lib::remove_broken_buffers::test_valid ... ignored
[INFO] [stdout] test test_lib::remove_broken_buffers::test_without_checksum ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default::test_del ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default::test_get ... ignored
[INFO] [stdout] test next::u::test_u::next_random_u8_new_from_read::test_number ... ok
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default::test_list ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default::test_push ... ignored
[INFO] [stdout] test next::u::test_u::next_u8_iter_new::test_256 ... ok
[INFO] [stdout] test push::test_push::push_new::test_no_next ... ok
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default_with_checksum::test_checksum_invalid ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default_with_checksum::test_checksum_valid ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default_with_checksum::test_push ... ignored
[INFO] [stdout] test u::buf::test_buf::ring_buffer_u8_new_default_with_checksum::test_valid ... ignored
[INFO] [stdout] test write::test_write::writer_checked_new::test_non_empty ... ok
[INFO] [stdout] test write::test_write::writer_unchecked_new_default::test_dir_noent ... ignored
[INFO] [stdout] test integer::u::test_u::name_checker_u8_new::test_invalid ... ok
[INFO] [stdout] test next::test_next::get_next_simple_retry::test_empty_candidates ... ok
[INFO] [stdout] test empty::test_empty::kind2empty::test_err ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test read::test_read::read_handler_new_default_with_checksum::test_empty ... FAILED
[INFO] [stdout] test read::test_read::read_handler_new_default::test_empty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- read::test_read::read_handler_new_default_with_checksum::test_empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read::test_read::read_handler_new_default_with_checksum::test_empty' (55) panicked at src/read.rs:209:47:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x601342cec792 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x601342cec792 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x601342cec792 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x601342cec792 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5bb8a979ba5db788
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x601342cfcaff - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x601342cfcaff - core::fmt::write::h1e0dbf07fe3990bd
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x601342cb9183 - std::io::default_write_fmt::h7d7ad5ed6a883d81
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x601342cb9183 - std::io::Write::write_fmt::hc477d9325b345ece
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x601342cc5952 - std::sys::backtrace::BacktraceLock::print::h788d486777205086
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x601342cca50f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x601342cca3a1 - std::panicking::default_hook::h6dad75ec721846f4
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x601342c890be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h33799d04b0b96146
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x601342c890be - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x601342ccabae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h5e1b8c652ea49180
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x601342ccabae - std::panicking::panic_with_hook::hba00e869ada17676
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x601342cca97a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x601342cc5a89 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x601342cacc4d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x601342d04520 - core::panicking::panic_fmt::h78e817a90331d98b
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x601342d03c16 - core::result::unwrap_failed::h3ce108722ad88f1e
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x601342c4eb5e - core::result::Result<T,E>::unwrap::h844f9f3f937a0049
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x601342c4eb5e - rs_fsring::read::test_read::read_handler_new_default_with_checksum::test_empty::h1985fdefe918ceaa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/read.rs:209:47
[INFO] [stdout]   22:     0x601342c4ed77 - rs_fsring::read::test_read::read_handler_new_default_with_checksum::test_empty::{{closure}}::he721557faefdcb13
[INFO] [stdout]                                at /opt/rustwide/workdir/src/read.rs:207:24
[INFO] [stdout]   23:     0x601342c24916 - core::ops::function::FnOnce::call_once::h93a9d36b0754e582
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x601342c88ebb - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x601342c88ebb - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x601342c9e965 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x601342c9e965 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x601342c9e965 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x601342c9e965 - std::panicking::catch_unwind::hc3763734156da4af
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x601342c9e965 - std::panic::catch_unwind::h28038391e867eabc
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x601342c9e965 - test::run_test_in_process::had0273166695a036
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x601342c9e965 - test::run_test::{{closure}}::h743d09d4bb476605
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x601342c75384 - test::run_test::{{closure}}::he950b8f9118d37e2
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x601342c75384 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x601342c78c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x601342c78c6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x601342c78c6a - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x601342c78c6a - std::panicking::catch_unwind::h412991d5237de610
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x601342c78c6a - std::panic::catch_unwind::ha82b139b3eb5840a
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x601342c78c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x601342c78c6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x601342cbfbcf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3e049222c99298ac
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x601342cbfbcf - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stdout]   44:     0x7c7a9a51faa4 - <unknown>
[INFO] [stdout]   45:     0x7c7a9a5aca34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- read::test_read::read_handler_new_default::test_empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read::test_read::read_handler_new_default::test_empty' (54) panicked at src/read.rs:192:47:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x601342cec792 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x601342cec792 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x601342cec792 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x601342cec792 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5bb8a979ba5db788
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x601342cfcaff - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x601342cfcaff - core::fmt::write::h1e0dbf07fe3990bd
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x601342cb9183 - std::io::default_write_fmt::h7d7ad5ed6a883d81
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x601342cb9183 - std::io::Write::write_fmt::hc477d9325b345ece
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x601342cc5952 - std::sys::backtrace::BacktraceLock::print::h788d486777205086
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x601342cca50f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x601342cca3a1 - std::panicking::default_hook::h6dad75ec721846f4
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x601342c890be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h33799d04b0b96146
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x601342c890be - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x601342ccabae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h5e1b8c652ea49180
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x601342ccabae - std::panicking::panic_with_hook::hba00e869ada17676
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x601342cca97a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x601342cc5a89 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x601342cacc4d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x601342d04520 - core::panicking::panic_fmt::h78e817a90331d98b
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x601342d03c16 - core::result::unwrap_failed::h3ce108722ad88f1e
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x601342c4e89e - core::result::Result<T,E>::unwrap::h844f9f3f937a0049
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x601342c4e89e - rs_fsring::read::test_read::read_handler_new_default::test_empty::h63a0b70fa0f15da0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/read.rs:192:47
[INFO] [stdout]   22:     0x601342c4eab7 - rs_fsring::read::test_read::read_handler_new_default::test_empty::{{closure}}::h1a88d87ecffa9dbd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/read.rs:190:24
[INFO] [stdout]   23:     0x601342c24956 - core::ops::function::FnOnce::call_once::h9a83c013e76d42be
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x601342c88ebb - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x601342c88ebb - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x601342c9e965 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x601342c9e965 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x601342c9e965 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x601342c9e965 - std::panicking::catch_unwind::hc3763734156da4af
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x601342c9e965 - std::panic::catch_unwind::h28038391e867eabc
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x601342c9e965 - test::run_test_in_process::had0273166695a036
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x601342c9e965 - test::run_test::{{closure}}::h743d09d4bb476605
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x601342c75384 - test::run_test::{{closure}}::he950b8f9118d37e2
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x601342c75384 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x601342c78c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x601342c78c6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x601342c78c6a - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x601342c78c6a - std::panicking::catch_unwind::h412991d5237de610
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x601342c78c6a - std::panic::catch_unwind::ha82b139b3eb5840a
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x601342c78c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x601342c78c6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x601342cbfbcf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3e049222c99298ac
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x601342cbfbcf - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963
[INFO] [stdout]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stdout]   44:     0x7c7a9a51faa4 - <unknown>
[INFO] [stdout]   45:     0x7c7a9a5aca34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     read::test_read::read_handler_new_default::test_empty
[INFO] [stdout]     read::test_read::read_handler_new_default_with_checksum::test_empty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 30 passed; 2 failed; 15 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1aa3d27e4561494baacd93e6a6c0aadfe7c87fd2accc7bf981f1582044b6f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa3d27e4561494baacd93e6a6c0aadfe7c87fd2accc7bf981f1582044b6f404", kill_on_drop: false }`
[INFO] [stdout] 1aa3d27e4561494baacd93e6a6c0aadfe7c87fd2accc7bf981f1582044b6f404