[INFO] fetching crate bdflib 0.4.4...
[INFO] testing bdflib-0.4.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate bdflib 0.4.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bdflib 0.4.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bdflib 0.4.4
[INFO] finished tweaking crates.io crate bdflib 0.4.4
[INFO] tweaked toml for crates.io crate bdflib 0.4.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde3101202fab22d28ba726bcf803c1f2d018c1169a45825e00ab17e05f8910e
[INFO] running `Command { std: "docker" "start" "-a" "fde3101202fab22d28ba726bcf803c1f2d018c1169a45825e00ab17e05f8910e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde3101202fab22d28ba726bcf803c1f2d018c1169a45825e00ab17e05f8910e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde3101202fab22d28ba726bcf803c1f2d018c1169a45825e00ab17e05f8910e", kill_on_drop: false }`
[INFO] [stdout] fde3101202fab22d28ba726bcf803c1f2d018c1169a45825e00ab17e05f8910e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b6fb7bc4714a25aab0c04fa9f9bfb7f4cf635679832578972b5f22181710e3
[INFO] running `Command { std: "docker" "start" "-a" "a8b6fb7bc4714a25aab0c04fa9f9bfb7f4cf635679832578972b5f22181710e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling bdflib v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "a8b6fb7bc4714a25aab0c04fa9f9bfb7f4cf635679832578972b5f22181710e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b6fb7bc4714a25aab0c04fa9f9bfb7f4cf635679832578972b5f22181710e3", kill_on_drop: false }`
[INFO] [stdout] a8b6fb7bc4714a25aab0c04fa9f9bfb7f4cf635679832578972b5f22181710e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc25e7af7f3659433054ba78787d7ecab41308563c1a727c0d099adb53509316
[INFO] running `Command { std: "docker" "start" "-a" "bc25e7af7f3659433054ba78787d7ecab41308563c1a727c0d099adb53509316", kill_on_drop: false }`
[INFO] [stderr]    Compiling bdflib v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "bc25e7af7f3659433054ba78787d7ecab41308563c1a727c0d099adb53509316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc25e7af7f3659433054ba78787d7ecab41308563c1a727c0d099adb53509316", kill_on_drop: false }`
[INFO] [stdout] bc25e7af7f3659433054ba78787d7ecab41308563c1a727c0d099adb53509316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7706fb80abf577618e454412d996364af038396b9f8485a66f70f0a5d6b1bc8
[INFO] running `Command { std: "docker" "start" "-a" "a7706fb80abf577618e454412d996364af038396b9f8485a66f70f0a5d6b1bc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bdf-d8d7d67cb7f90db7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::it_reads ... FAILED
[INFO] [stdout] test tests::it_writes_uncompressed ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test tests::it_writes_compressed ... FAILED
[INFO] [stdout] test tests::it_reads_compressed ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_reads stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] thread 'tests::it_reads' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ff66488c10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55ff66488c10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ff66488c10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ff66488c10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55ff664ab84c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55ff664859c5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x55ff6648adeb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55ff6648adeb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55ff6648adeb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55ff6648a8fc - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55ff6648b4b4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55ff6648af97 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55ff6648910c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55ff6648aef9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55ff663d36c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55ff664aa24e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55ff663e13ea - core::panicking::assert_failed::h8705f36333a6810a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55ff663f309e - test::assert_test_result::h8790e05c13f67636
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout]   18:     0x55ff66414fe9 - bdf::tests::it_reads::{{closure}}::ha36ba5652714820a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:74:5
[INFO] [stdout]   19:     0x55ff663fa9ee - core::ops::function::FnOnce::call_once::haf39e942cf541dd3
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55ff664562e3 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55ff664562e3 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55ff66454d70 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55ff66454d70 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55ff66454d70 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55ff66454d70 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55ff66454d70 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55ff66454d70 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55ff66454d70 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55ff6642e332 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55ff6642e332 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55ff66431f88 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55ff66431f88 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55ff66431f88 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55ff66431f88 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55ff66431f88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55ff66490247 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   41:     0x7f9abfd84609 - start_thread
[INFO] [stdout]   42:     0x7f9abfb56293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_writes_uncompressed stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] thread 'tests::it_writes_uncompressed' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ff66488c10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55ff66488c10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ff66488c10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ff66488c10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55ff664ab84c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55ff664859c5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x55ff6648adeb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55ff6648adeb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55ff6648adeb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55ff6648a8fc - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55ff6648b4b4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55ff6648af97 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55ff6648910c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55ff6648aef9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55ff663d36c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55ff664aa24e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55ff663e13ea - core::panicking::assert_failed::h8705f36333a6810a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55ff663f309e - test::assert_test_result::h8790e05c13f67636
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout]   18:     0x55ff66412699 - bdf::tests::it_writes_uncompressed::{{closure}}::hbef702e3864a9b7c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:14:5
[INFO] [stdout]   19:     0x55ff663fa96e - core::ops::function::FnOnce::call_once::h5f72366e30874dfc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55ff664562e3 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55ff664562e3 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55ff66454d70 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55ff66454d70 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55ff66454d70 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55ff66454d70 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55ff66454d70 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55ff66454d70 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55ff66454d70 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55ff6642e332 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55ff6642e332 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55ff66431f88 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55ff66431f88 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55ff66431f88 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55ff66431f88 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55ff66431f88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55ff66490247 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   41:     0x7f9abfd84609 - start_thread
[INFO] [stdout]   42:     0x7f9abfb56293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_writes_compressed stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] thread 'tests::it_writes_compressed' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ff66488c10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55ff66488c10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ff66488c10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ff66488c10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55ff664ab84c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55ff664859c5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x55ff6648adeb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55ff6648adeb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55ff6648adeb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55ff6648a8fc - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55ff6648b4b4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55ff6648af97 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55ff6648910c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55ff6648aef9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55ff663d36c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55ff664aa24e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55ff663e13ea - core::panicking::assert_failed::h8705f36333a6810a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55ff663f309e - test::assert_test_result::h8790e05c13f67636
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout]   18:     0x55ff66413729 - bdf::tests::it_writes_compressed::{{closure}}::h14b1a068a927eca6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:38:5
[INFO] [stdout]   19:     0x55ff663faace - core::ops::function::FnOnce::call_once::hd05f629fb3ca2e3f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55ff664562e3 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55ff664562e3 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55ff66454d70 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55ff66454d70 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55ff66454d70 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55ff66454d70 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55ff66454d70 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55ff66454d70 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55ff66454d70 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55ff6642e332 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55ff6642e332 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55ff66431f88 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55ff66431f88 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55ff66431f88 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55ff66431f88 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55ff66431f88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55ff66490247 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   41:     0x7f9abfd84609 - start_thread
[INFO] [stdout]   42:     0x7f9abfb56293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_reads_compressed stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] thread 'tests::it_reads_compressed' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ff66488c10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55ff66488c10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ff66488c10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ff66488c10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55ff664ab84c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55ff664859c5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x55ff6648adeb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55ff6648adeb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55ff6648adeb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55ff6648a8fc - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55ff6648b4b4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55ff6648af97 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55ff6648910c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55ff6648aef9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55ff663d36c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55ff664aa24e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55ff663e13ea - core::panicking::assert_failed::h8705f36333a6810a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55ff663f309e - test::assert_test_result::h8790e05c13f67636
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:193:5
[INFO] [stdout]   18:     0x55ff66415a49 - bdf::tests::it_reads_compressed::{{closure}}::ha1bf3bbefd3256b9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:89:5
[INFO] [stdout]   19:     0x55ff663fa9ae - core::ops::function::FnOnce::call_once::h79d0c0f56f127696
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55ff664562e3 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55ff664562e3 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55ff66454d70 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55ff66454d70 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55ff66454d70 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55ff66454d70 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55ff66454d70 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55ff66454d70 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55ff66454d70 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55ff6642e332 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55ff6642e332 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55ff66431f88 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55ff66431f88 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55ff66431f88 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55ff66431f88 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55ff66431f88 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55ff66431f88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55ff66490247 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55ff66490247 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   41:     0x7f9abfd84609 - start_thread
[INFO] [stdout]   42:     0x7f9abfb56293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_reads
[INFO] [stdout]     tests::it_reads_compressed
[INFO] [stdout]     tests::it_writes_compressed
[INFO] [stdout]     tests::it_writes_uncompressed
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7706fb80abf577618e454412d996364af038396b9f8485a66f70f0a5d6b1bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7706fb80abf577618e454412d996364af038396b9f8485a66f70f0a5d6b1bc8", kill_on_drop: false }`
[INFO] [stdout] a7706fb80abf577618e454412d996364af038396b9f8485a66f70f0a5d6b1bc8