[INFO] crate ubend 0.2.1 is already in cache [INFO] extracting crate ubend 0.2.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/ubend/0.2.1 [INFO] extracting crate ubend 0.2.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ubend/0.2.1 [INFO] validating manifest of ubend-0.2.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ubend-0.2.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ubend/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ubend-0.2.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] c3002801f092d4b6165e4c1852e37bd425f38e48e59516811b93844279ab25de [INFO] running `"docker" "start" "-a" "c3002801f092d4b6165e4c1852e37bd425f38e48e59516811b93844279ab25de"` [INFO] [stderr] Compiling ubend v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `"docker" "inspect" "c3002801f092d4b6165e4c1852e37bd425f38e48e59516811b93844279ab25de"` [INFO] running `"docker" "rm" "-f" "c3002801f092d4b6165e4c1852e37bd425f38e48e59516811b93844279ab25de"` [INFO] [stdout] c3002801f092d4b6165e4c1852e37bd425f38e48e59516811b93844279ab25de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 4b3438ef7528d5563742cf3f5157efe6abcf033e19ac3322fef6cea48baea9c7 [INFO] running `"docker" "start" "-a" "4b3438ef7528d5563742cf3f5157efe6abcf033e19ac3322fef6cea48baea9c7"` [INFO] [stderr] Compiling ubend v0.2.1 (/opt/crater/workdir) [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 error 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 error 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] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "4b3438ef7528d5563742cf3f5157efe6abcf033e19ac3322fef6cea48baea9c7"` [INFO] running `"docker" "rm" "-f" "4b3438ef7528d5563742cf3f5157efe6abcf033e19ac3322fef6cea48baea9c7"` [INFO] [stdout] 4b3438ef7528d5563742cf3f5157efe6abcf033e19ac3322fef6cea48baea9c7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] 6b4051bb60414b0a5e98c9bf9f9f206fcc732237553655a8110436a54f13b82c [INFO] running `"docker" "start" "-a" "6b4051bb60414b0a5e98c9bf9f9f206fcc732237553655a8110436a54f13b82c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ubend-d1dcbdcef028159c [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] [stderr] Running /opt/crater/target/debug/deps/main-feb7ffeaefd58dd8 [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test command_as_var ... ok [INFO] [stdout] test deep_cat ... ok [INFO] [stdout] test read_file_by_handle ... ok [INFO] [stdout] test setenv ... ok [INFO] [stdout] test stdio ... ok [INFO] [stdout] hello world [INFO] [stdout] test stdin_as_pipe ... ok [INFO] [stdout] test strange_setup ... ok [INFO] [stdout] test spread_args ... ok [INFO] [stdout] test write_to_null ... 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:997:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dbfd89b9c3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55dbfd8976bb - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55dbfd89a646 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55dbfd89a347 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55dbfd89ad50 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55dbfd89a8d1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55dbfd89a7b5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:312 [INFO] [stdout] 7: 0x55dbfd8b0d1c - core[b849d6d0cd70c3a8]::panicking::panic_fmt [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55dbfd8206af - core[b849d6d0cd70c3a8]::result::unwrap_failed:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16 [INFO] [stdout] 9: 0x55dbfd820d28 - >::expect [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825 [INFO] [stdout] 10: 0x55dbfd818350 - main[bdf5b2a440c6e94b]::append [INFO] [stdout] at tests/main.rs:129 [INFO] [stdout] 11: 0x55dbfd817f99 - main[bdf5b2a440c6e94b]::append::{closure#0} [INFO] [stdout] at tests/main.rs:125 [INFO] [stdout] 12: 0x55dbfd8251ad - >::call_once [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55dbfd83016e - >::call_box [INFO] [stdout] at src/libtest/lib.rs:1474 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 14: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 15: 0x55dbfd84a657 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at src/libtest/lib.rs:1429 [INFO] [stdout] 16: 0x55dbfd825a04 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 17: 0x55dbfd825524 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stdout] 18: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 19: 0x55dbfd82feac - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 20: 0x55dbfd89d78d - ::new::thread_start [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 21: 0x7fdece9ec493 - start_thread [INFO] [stdout] 22: 0x7fdecefeeace - __clone [INFO] [stdout] 23: 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:997:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dbfd89b9c3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55dbfd8976bb - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55dbfd89a646 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55dbfd89a347 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55dbfd89ad50 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55dbfd89a8d1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55dbfd89a7b5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:312 [INFO] [stdout] 7: 0x55dbfd8b0d1c - core[b849d6d0cd70c3a8]::panicking::panic_fmt [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55dbfd8206af - core[b849d6d0cd70c3a8]::result::unwrap_failed:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16 [INFO] [stdout] 9: 0x55dbfd820d28 - >::expect [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825 [INFO] [stdout] 10: 0x55dbfd8157a0 - main[bdf5b2a440c6e94b]::read_and_write_file_by_name [INFO] [stdout] at tests/main.rs:82 [INFO] [stdout] 11: 0x55dbfd814f59 - main[bdf5b2a440c6e94b]::read_and_write_file_by_name::{closure#0} [INFO] [stdout] at tests/main.rs:79 [INFO] [stdout] 12: 0x55dbfd8252ad - >::call_once [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55dbfd83016e - >::call_box [INFO] [stdout] at src/libtest/lib.rs:1474 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 14: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 15: 0x55dbfd84a657 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at src/libtest/lib.rs:1429 [INFO] [stdout] 16: 0x55dbfd825a04 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 17: 0x55dbfd825524 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stdout] 18: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 19: 0x55dbfd82feac - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 20: 0x55dbfd89d78d - ::new::thread_start [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 21: 0x7fdece9ec493 - start_thread [INFO] [stdout] 22: 0x7fdecefeeace - __clone [INFO] [stdout] 23: 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:997:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dbfd89b9c3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55dbfd8976bb - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55dbfd89a646 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55dbfd89a347 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55dbfd89ad50 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55dbfd89a8d1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55dbfd89a7b5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:312 [INFO] [stdout] 7: 0x55dbfd8b0d1c - core[b849d6d0cd70c3a8]::panicking::panic_fmt [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55dbfd8206af - core[b849d6d0cd70c3a8]::result::unwrap_failed:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16 [INFO] [stdout] 9: 0x55dbfd820d28 - >::expect [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825 [INFO] [stdout] 10: 0x55dbfd81a583 - main[bdf5b2a440c6e94b]::temp_file [INFO] [stdout] at tests/main.rs:150 [INFO] [stdout] 11: 0x55dbfd81a1f9 - main[bdf5b2a440c6e94b]::temp_file::{closure#0} [INFO] [stdout] at tests/main.rs:149 [INFO] [stdout] 12: 0x55dbfd8251ed - >::call_once [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55dbfd83016e - >::call_box [INFO] [stdout] at src/libtest/lib.rs:1474 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 14: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 15: 0x55dbfd84a657 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at src/libtest/lib.rs:1429 [INFO] [stdout] 16: 0x55dbfd825a04 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 17: 0x55dbfd825524 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stdout] 18: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 19: 0x55dbfd82feac - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 20: 0x55dbfd89d78d - ::new::thread_start [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 21: 0x7fdece9ec493 - start_thread [INFO] [stdout] 22: 0x7fdecefeeace - __clone [INFO] [stdout] 23: 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:997:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dbfd89b9c3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55dbfd8976bb - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55dbfd89a646 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55dbfd89a347 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55dbfd89ad50 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55dbfd89a8d1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55dbfd89a7b5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:312 [INFO] [stdout] 7: 0x55dbfd8b0d1c - core[b849d6d0cd70c3a8]::panicking::panic_fmt [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55dbfd8207f2 - core[b849d6d0cd70c3a8]::result::unwrap_failed:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16 [INFO] [stdout] 9: 0x55dbfd820dfe - >::expect [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825 [INFO] [stdout] 10: 0x55dbfd816292 - main[bdf5b2a440c6e94b]::write_file_by_handle [INFO] [stdout] at tests/main.rs:97 [INFO] [stdout] 11: 0x55dbfd816199 - main[bdf5b2a440c6e94b]::write_file_by_handle::{closure#0} [INFO] [stdout] at tests/main.rs:94 [INFO] [stdout] 12: 0x55dbfd82516d - >::call_once [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55dbfd83016e - >::call_box [INFO] [stdout] at src/libtest/lib.rs:1474 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 14: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 15: 0x55dbfd84a657 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at src/libtest/lib.rs:1429 [INFO] [stdout] 16: 0x55dbfd825a04 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 17: 0x55dbfd825524 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stdout] 18: 0x55dbfd89dfd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 19: 0x55dbfd82feac - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 20: 0x55dbfd89d78d - ::new::thread_start [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 21: 0x7fdece9ec493 - start_thread [INFO] [stdout] 22: 0x7fdecefeeace - __clone [INFO] [stdout] 23: 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" "6b4051bb60414b0a5e98c9bf9f9f206fcc732237553655a8110436a54f13b82c"` [INFO] running `"docker" "rm" "-f" "6b4051bb60414b0a5e98c9bf9f9f206fcc732237553655a8110436a54f13b82c"` [INFO] [stdout] 6b4051bb60414b0a5e98c9bf9f9f206fcc732237553655a8110436a54f13b82c