[INFO] fetching crate ubend 0.2.1... [INFO] extracting crate ubend 0.2.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ubend/0.2.1 [INFO] extracting crate ubend 0.2.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ubend/0.2.1 [INFO] validating manifest of ubend-0.2.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ubend-0.2.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ubend-0.2.1 [INFO] finished frobbing ubend-0.2.1 [INFO] frobbed toml for ubend-0.2.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ubend/0.2.1/Cargo.toml [INFO] started frobbing ubend-0.2.1 [INFO] finished frobbing ubend-0.2.1 [INFO] frobbed toml for ubend-0.2.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ubend/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ubend-0.2.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ubend/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] b38ed0865e4d0e70cee3dee6b1ec01ec76c620229074fc7c7150e2c1054543dd [INFO] running `"docker" "start" "-a" "b38ed0865e4d0e70cee3dee6b1ec01ec76c620229074fc7c7150e2c1054543dd"` [INFO] [stderr] Compiling ubend v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:535:13 [INFO] [stderr] | [INFO] [stderr] 535 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:541:13 [INFO] [stderr] | [INFO] [stderr] 541 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:547:13 [INFO] [stderr] | [INFO] [stderr] 547 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:553:13 [INFO] [stderr] | [INFO] [stderr] 553 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1597:10 [INFO] [stderr] | [INFO] [stderr] 1597 | for mut child in &mut children { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `"docker" "inspect" "b38ed0865e4d0e70cee3dee6b1ec01ec76c620229074fc7c7150e2c1054543dd"` [INFO] running `"docker" "rm" "-f" "b38ed0865e4d0e70cee3dee6b1ec01ec76c620229074fc7c7150e2c1054543dd"` [INFO] [stdout] b38ed0865e4d0e70cee3dee6b1ec01ec76c620229074fc7c7150e2c1054543dd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ubend/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 3a402400b0429d59f7e54bfce6d868ed5a5dc627be56b2f4122a23f0b87be769 [INFO] running `"docker" "start" "-a" "3a402400b0429d59f7e54bfce6d868ed5a5dc627be56b2f4122a23f0b87be769"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling ubend v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:535:13 [INFO] [stderr] | [INFO] [stderr] 535 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:541:13 [INFO] [stderr] | [INFO] [stderr] 541 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:547:13 [INFO] [stderr] | [INFO] [stderr] 547 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:553:13 [INFO] [stderr] | [INFO] [stderr] 553 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/main.rs:180:3 [INFO] [stderr] | [INFO] [stderr] 180 | write!(stream, "hello world"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/main.rs:211:3 [INFO] [stderr] | [INFO] [stderr] 211 | write!(stream, "spam\neggs\nspam spam\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1597:10 [INFO] [stderr] | [INFO] [stderr] 1597 | for mut child in &mut children { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "3a402400b0429d59f7e54bfce6d868ed5a5dc627be56b2f4122a23f0b87be769"` [INFO] running `"docker" "rm" "-f" "3a402400b0429d59f7e54bfce6d868ed5a5dc627be56b2f4122a23f0b87be769"` [INFO] [stdout] 3a402400b0429d59f7e54bfce6d868ed5a5dc627be56b2f4122a23f0b87be769 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ubend/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] d072f5f96a97a922e166fae838315976dd8b14d7560111107d44a60bc0dbfa66 [INFO] running `"docker" "start" "-a" "d072f5f96a97a922e166fae838315976dd8b14d7560111107d44a60bc0dbfa66"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ubend-5f37e3e6b553c2a9 [INFO] [stderr] Running /opt/crater/target/debug/deps/main-236aa3e16b074095 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test command_as_var ... ok [INFO] [stdout] test read_file_by_handle ... ok [INFO] [stdout] test stdin_as_pipe ... ok [INFO] [stdout] test setenv ... ok [INFO] [stdout] test deep_cat ... ok [INFO] [stdout] hello world [INFO] [stdout] test stdio ... ok [INFO] [stdout] test write_to_null ... ok [INFO] [stdout] test strange_setup ... ok [INFO] [stdout] test spread_args ... ok [INFO] [stdout] test append ... FAILED [INFO] [stdout] test read_and_write_file_by_name ... FAILED [INFO] [stdout] test temp_file ... FAILED [INFO] [stdout] test write_file_by_handle ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- append stdout ---- [INFO] [stdout] thread 'append' panicked at 'spawn failed: OS error code 22: Invalid argument', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c3baee496b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c3baee496b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c3baee496b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c3baee496b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c3baee496b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55c3baee45ff - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55c3baee50e0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55c3baee4c62 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55c3baee4b46 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55c3baefb34d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c3bae6c890 - core::result::unwrap_failed::h5434e5905be75e48 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55c3bae6d25a - core::result::Result::expect::hf6bf5b30aa8535f8 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x55c3bae640f1 - main::append::h57c606beebca0ac3 [INFO] [stdout] at tests/main.rs:129 [INFO] [stdout] 13: 0x55c3bae63d3a - main::append::{{closure}}::h78677598f5fa9b74 [INFO] [stdout] at tests/main.rs:125 [INFO] [stdout] 14: 0x55c3bae6e8ce - core::ops::function::FnOnce::call_once::hbcb406dce44665b4 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55c3bae7cbcf - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55c3bae975a8 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x55c3bae975a8 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x55c3bae975a8 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x55c3bae72145 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x55c3bae76145 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x55c3bae76145 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 23: 0x55c3bae76145 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 24: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 25: 0x55c3bae767d2 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 26: 0x55c3bae767d2 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 27: 0x55c3bae767d2 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x55c3bae767d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55c3baed9f1f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55c3baee74a0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55c3baee74a0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x55c3baee74a0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fb11ad394a4 - start_thread [INFO] [stdout] 34: 0x7fb11b33bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- read_and_write_file_by_name stdout ---- [INFO] [stdout] thread 'read_and_write_file_by_name' panicked at 'spawn failed: OS error code 22: Invalid argument', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c3baee496b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c3baee496b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c3baee496b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c3baee496b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c3baee496b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55c3baee45ff - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55c3baee50e0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55c3baee4c62 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55c3baee4b46 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55c3baefb34d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c3bae6c890 - core::result::unwrap_failed::h5434e5905be75e48 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55c3bae6d25a - core::result::Result::expect::hf6bf5b30aa8535f8 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x55c3bae61401 - main::read_and_write_file_by_name::hadbe52f4eb4df737 [INFO] [stdout] at tests/main.rs:82 [INFO] [stdout] 13: 0x55c3bae60b7a - main::read_and_write_file_by_name::{{closure}}::h722ef559b7f1e6c6 [INFO] [stdout] at tests/main.rs:79 [INFO] [stdout] 14: 0x55c3bae6e90e - core::ops::function::FnOnce::call_once::hdb1f723a88ceaec2 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55c3bae7cbcf - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55c3bae975a8 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x55c3bae975a8 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x55c3bae975a8 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x55c3bae72145 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x55c3bae76145 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x55c3bae76145 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 23: 0x55c3bae76145 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 24: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 25: 0x55c3bae767d2 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 26: 0x55c3bae767d2 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 27: 0x55c3bae767d2 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x55c3bae767d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55c3baed9f1f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55c3baee74a0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55c3baee74a0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x55c3baee74a0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fb11ad394a4 - start_thread [INFO] [stdout] 34: 0x7fb11b33bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- temp_file stdout ---- [INFO] [stdout] thread 'temp_file' panicked at 'spawn failed: OS error code 95: Operation not supported', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c3baee496b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c3baee496b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c3baee496b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c3baee496b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c3baee496b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55c3baee45ff - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55c3baee50e0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55c3baee4c62 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55c3baee4b46 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55c3baefb34d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c3bae6c890 - core::result::unwrap_failed::h5434e5905be75e48 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55c3bae6d25a - core::result::Result::expect::hf6bf5b30aa8535f8 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x55c3bae66404 - main::temp_file::hd1ef5b7bf05249d7 [INFO] [stdout] at tests/main.rs:150 [INFO] [stdout] 13: 0x55c3bae6607a - main::temp_file::{{closure}}::haed6462a0d45b10a [INFO] [stdout] at tests/main.rs:149 [INFO] [stdout] 14: 0x55c3bae6e68e - core::ops::function::FnOnce::call_once::h124fa83bed2dc9d8 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55c3bae7cbcf - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55c3bae975a8 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x55c3bae975a8 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x55c3bae975a8 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x55c3bae72145 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x55c3bae76145 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x55c3bae76145 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 23: 0x55c3bae76145 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 24: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 25: 0x55c3bae767d2 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 26: 0x55c3bae767d2 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 27: 0x55c3bae767d2 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x55c3bae767d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55c3baed9f1f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55c3baee74a0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55c3baee74a0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x55c3baee74a0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fb11ad394a4 - start_thread [INFO] [stdout] 34: 0x7fb11b33bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- write_file_by_handle stdout ---- [INFO] [stdout] thread 'write_file_by_handle' panicked at 'couldn't open write_file_by_handle.txt: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c3baee496b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c3baee496b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c3baee496b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c3baee496b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c3baee496b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55c3baee45ff - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55c3baee50e0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55c3baee4c62 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55c3baee4b46 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55c3baefb34d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c3bae6c4c3 - core::result::unwrap_failed::h2eb78673aaf4f9ee [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55c3bae6d080 - core::result::Result::expect::hc04222e646f7142a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x55c3bae61f33 - main::write_file_by_handle::h9e0f4e5f1680ab2b [INFO] [stdout] at tests/main.rs:97 [INFO] [stdout] 13: 0x55c3bae61e3a - main::write_file_by_handle::{{closure}}::h67e3e691ec971852 [INFO] [stdout] at tests/main.rs:94 [INFO] [stdout] 14: 0x55c3bae6e6ce - core::ops::function::FnOnce::call_once::h177bd729049ed383 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55c3bae7cbcf - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55c3bae975a8 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x55c3bae975a8 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x55c3bae975a8 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x55c3bae72145 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x55c3bae76145 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x55c3bae76145 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 23: 0x55c3bae76145 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 24: 0x55c3baee7d5a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 25: 0x55c3bae767d2 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 26: 0x55c3bae767d2 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 27: 0x55c3bae767d2 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x55c3bae767d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55c3baed9f1f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55c3baee74a0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55c3baee74a0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x55c3baee74a0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fb11ad394a4 - start_thread [INFO] [stdout] 34: 0x7fb11b33bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] append [INFO] [stdout] read_and_write_file_by_name [INFO] [stdout] temp_file [INFO] [stdout] write_file_by_handle [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test main' [INFO] running `"docker" "inspect" "d072f5f96a97a922e166fae838315976dd8b14d7560111107d44a60bc0dbfa66"` [INFO] running `"docker" "rm" "-f" "d072f5f96a97a922e166fae838315976dd8b14d7560111107d44a60bc0dbfa66"` [INFO] [stdout] d072f5f96a97a922e166fae838315976dd8b14d7560111107d44a60bc0dbfa66