[INFO] fetching crate rwfile 0.1.0... [INFO] testing rwfile-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate rwfile 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rwfile 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rwfile 0.1.0 [INFO] finished tweaking crates.io crate rwfile 0.1.0 [INFO] tweaked toml for crates.io crate rwfile 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f2c5d5bba39622d973ed796d5b5d329abcbf6900843a1d96ffd3bc99947d721 [INFO] running `"docker" "start" "-a" "1f2c5d5bba39622d973ed796d5b5d329abcbf6900843a1d96ffd3bc99947d721"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rwfile v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "1f2c5d5bba39622d973ed796d5b5d329abcbf6900843a1d96ffd3bc99947d721"` [INFO] running `"docker" "rm" "-f" "1f2c5d5bba39622d973ed796d5b5d329abcbf6900843a1d96ffd3bc99947d721"` [INFO] [stdout] 1f2c5d5bba39622d973ed796d5b5d329abcbf6900843a1d96ffd3bc99947d721 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b35eb22040c180371a510163a9e4dba3676ec2545a554fb5c5eddc8416035d9 [INFO] running `"docker" "start" "-a" "4b35eb22040c180371a510163a9e4dba3676ec2545a554fb5c5eddc8416035d9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling rwfile v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `"docker" "inspect" "4b35eb22040c180371a510163a9e4dba3676ec2545a554fb5c5eddc8416035d9"` [INFO] running `"docker" "rm" "-f" "4b35eb22040c180371a510163a9e4dba3676ec2545a554fb5c5eddc8416035d9"` [INFO] [stdout] 4b35eb22040c180371a510163a9e4dba3676ec2545a554fb5c5eddc8416035d9 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 73a9c1b8b2d07596abae24d258f28ae6ddd1c70835f5f7aef87e382c74843498 [INFO] running `"docker" "start" "-a" "73a9c1b8b2d07596abae24d258f28ae6ddd1c70835f5f7aef87e382c74843498"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rwfile-ee37452cf60aa88f [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] stack backtrace: [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] thread '' panicked at 'UniformSampler::sample_single: low >= high', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23 [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x559481376cc3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55948137c952 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x559481366ea1 - std::panicking::begin_panic::h9bafed2705d52c83 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x5594812d0ec1 - as rand::distributions::uniform::UniformSampler>::sample_single::h9e27b05f984a7867 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13 [INFO] [stderr] 13: 0x5594812d4e88 - rand::Rng::gen_range::hcb0a30d16807de0c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/lib.rs:217 [INFO] [stderr] 14: 0x5594812dac7c - rwfile::tests::it_works::{{closure}}::h897cc4a13937d819 [INFO] [stderr] at src/lib.rs:157 [INFO] [stderr] 15: 0x5594812d111a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9fe25257656a6cd5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x5594812d629a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad73d0a7c2b3d6d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x5594812d3ebe - as core::ops::function::FnOnce<()>>::call_once::h31401c854393ee0e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x5594812d7d2c - std::panicking::try::do_call::h718541198892600e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5594812d828d - __rust_try [INFO] [stderr] 20: 0x5594812d7c57 - std::panicking::try::hdabb249cb806e327 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5594812d3eee - std::panic::catch_unwind::h22a4ddc928684b8e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5594812d60ce - std::thread::Builder::spawn_unchecked::{{closure}}::h8b70b6ab11a14378 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x5594812d210e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he67d2bb81ea98ab4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f070386d609 - start_thread [INFO] [stderr] 28: 0x7f0703779103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] test tests::it_works ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_works stdout ---- [INFO] [stdout] thread 'tests::it_works' panicked at 'called `Result::unwrap()` on an `Err` value: Any', src/lib.rs:166:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55948137a334 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55948137a334 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55948137a334 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55948137a334 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5594813a352c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5594812dc065 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x559481374701 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55948137cc15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55948137cc15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55948137cc15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55948137c8fb - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55948137d272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55948137ce5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x5594813a1f51 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x5594813a1d73 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x5594812d4983 - core::result::Result::unwrap::hc11f2161b12ecf73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x5594812da847 - rwfile::tests::it_works::h51f7cbc099b8da2a [INFO] [stdout] at src/lib.rs:166 [INFO] [stdout] 17: 0x5594812da36a - rwfile::tests::it_works::{{closure}}::h17fefcb844757831 [INFO] [stdout] at src/lib.rs:137 [INFO] [stdout] 18: 0x5594812d212e - core::ops::function::FnOnce::call_once::h7be0aa82f2cdace3 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 19: 0x5594813034f6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 20: 0x5594813034f6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x5594813034f6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 22: 0x5594813034f6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 23: 0x5594813034f6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5594813034f6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x5594813034f6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x5594812db516 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x5594812e08a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x5594812e08a5 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x5594812e08a5 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 30: 0x5594812e08a5 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 31: 0x5594812e08a5 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x5594812e08a5 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x5594812e08a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 34: 0x559481383baa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 35: 0x559481383baa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x559481383baa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7f070386d609 - start_thread [INFO] [stdout] 38: 0x7f0703779103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_works [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "73a9c1b8b2d07596abae24d258f28ae6ddd1c70835f5f7aef87e382c74843498"` [INFO] running `"docker" "rm" "-f" "73a9c1b8b2d07596abae24d258f28ae6ddd1c70835f5f7aef87e382c74843498"` [INFO] [stdout] 73a9c1b8b2d07596abae24d258f28ae6ddd1c70835f5f7aef87e382c74843498