[INFO] fetching crate fixed_width 0.6.0...
[INFO] testing fixed_width-0.6.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fixed_width 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fixed_width 0.6.0
[INFO] finished tweaking crates.io crate fixed_width 0.6.0
[INFO] tweaked toml for crates.io crate fixed_width 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed_width 0.6.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554
[INFO] running `Command { std: "docker" "start" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_width v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:183:26
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<R> {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<'_, R> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:200:24
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<R> {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<'_, R> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:183:26
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<R> {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<'_, R> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:200:24
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<R> {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<'_, R> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling fixed_width v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:183:26
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<R> {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn string_reader(&mut self) -> StringReader<'_, R> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reader.rs:200:24
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<R> {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn byte_reader(&mut self) -> ByteReader<'_, R> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/reader.rs:183:26
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn string_reader(&mut self) -> StringReader<R> {
[INFO] [stderr]     |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn string_reader(&mut self) -> StringReader<'_, R> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/reader.rs:200:24
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn byte_reader(&mut self) -> ByteReader<R> {
[INFO] [stderr]     |                        ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn byte_reader(&mut self) -> ByteReader<'_, R> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fixed_width` (lib) generated 2 warnings (run `cargo fix --lib -p fixed_width` to apply 2 suggestions)
[INFO] [stderr] warning: `fixed_width` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stdout] running 65 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/fixed_width/8b9476d49db8ac81/out/fixed_width-8b9476d49db8ac81)
[INFO] [stdout] test de::test::from_bytes_de ... ok
[INFO] [stdout] test de::test::from_str_de ... ok
[INFO] [stdout] test de::test::hashmap_de ... ok
[INFO] [stdout] test de::test::enum_de ... ok
[INFO] [stdout] test de::test::byte_buf_de ... ok
[INFO] [stdout] test de::test::newtype_struct_de ... ok
[INFO] [stdout] test de::test::str_de ... ok
[INFO] [stdout] test de::test::seq_de ... ok
[INFO] [stdout] test de::test::string_de ... ok
[INFO] [stdout] test de::test::bool_de ... ok
[INFO] [stdout] test de::test::bytes_de ... ok
[INFO] [stdout] test de::test::test_does_not_panic_for_empty_bool ... ok
[INFO] [stdout] test de::test::struct_de ... ok
[INFO] [stdout] test de::test::char_de ... ok
[INFO] [stdout] test de::test::float_de ... ok
[INFO] [stdout] test de::test::test_does_not_panic_for_empty_char ... ok
[INFO] [stdout] test de::test::option_de ... ok
[INFO] [stdout] test de::test::int_de ... ok
[INFO] [stdout] test de::test::test_lowercase_serde_option_for_enum ... ok
[INFO] [stdout] test de::test::tuple_de ... ok
[INFO] [stdout] test de::test::tuple_struct_de ... ok
[INFO] [stdout] test de::test::test_nested_sturct ... ok
[INFO] [stdout] test de::test::test_nested_seq ... ok
[INFO] [stdout] test de::test::unit_de ... ok
[INFO] [stdout] test de::test::unit_struct_de ... ok
[INFO] [stdout] test reader::test::read_from_bytes ... ok
[INFO] [stdout] test reader::test::read_from_bytes_with_crlf ... ok
[INFO] [stdout] test reader::test::read_from_string ... ok
[INFO] [stdout] test reader::test::read_from_string_with_crlf ... ok
[INFO] [stdout] test reader::test::read_from_string_with_newlines ... ok
[INFO] [stdout] test reader::test::read_next_record ... ok
[INFO] [stdout] test reader::test::test_read ... ok
[INFO] [stdout] test ser::test::bool_ser ... ok
[INFO] [stdout] test ser::test::bytes_ser ... ok
[INFO] [stdout] test ser::test::float_ser ... ok
[INFO] [stdout] test ser::test::int_ser ... ok
[INFO] [stdout] test ser::test::map_ser ... ok
[INFO] [stdout] test ser::test::nested_struct ... ok
[INFO] [stdout] test ser::test::newtype_struct_ser ... ok
[INFO] [stdout] test ser::test::none_ser ... ok
[INFO] [stdout] test ser::test::pad_left_justified ... ok
[INFO] [stdout] test ser::test::pad_right_justified ... ok
[INFO] [stdout] test ser::test::seq_ser ... ok
[INFO] [stdout] test ser::test::to_string_ser ... ok
[INFO] [stdout] test ser::test::struct_ser ... ok
[INFO] [stdout] test ser::test::str_ser ... ok
[INFO] [stdout] test ser::test::tuple_ser ... ok
[INFO] [stdout] test ser::test::tuple_struct_ser ... ok
[INFO] [stdout] test ser::test::to_bytes_ser ... ok
[INFO] [stdout] test test::field_building ... ok
[INFO] [stdout] test ser::test::some_ser ... ok
[INFO] [stdout] test test::fieldset_justify ... ok
[INFO] [stdout] test ser::test::unit_ser ... ok
[INFO] [stdout] test test::fieldset_justify_str ... ok
[INFO] [stdout] test test::fieldset_name ... ok
[INFO] [stdout] test ser::test::unit_struct_ser ... ok
[INFO] [stdout] test de::test::test_nested_optional_arr ... ok
[INFO] [stdout] test test::fieldset_pad_with ... ok
[INFO] [stdout] test test::line_break_byte_width ... ok
[INFO] [stdout] test writer::test::serialized_write ... ok
[INFO] [stdout] test writer::test::test_write ... ok
[INFO] [stdout] test test::failed_on_fieldset_name - should panic ... ok
[INFO] [stdout] test test::fieldset_justify_panic - should panic ... ok
[INFO] [stdout] test writer::test::write_to_memory ... ok
[INFO] [stdout] test writer::test::write_to_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 65 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/release/build/fixed_width/991e1526dbb951a2/out/integration_tests-991e1526dbb951a2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test read_from_file ... ok
[INFO] [stdout] test write_to_file_with_newlines ... FAILED
[INFO] [stdout] test read_from_file_with_newlines ... ok
[INFO] [stdout] test write_to_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- write_to_file_with_newlines stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'write_to_file_with_newlines' (423) panicked at tests/integration_tests.rs:76:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65218c45a661 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x65218c46e72a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x65218c45e87c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x65218c436686 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x65218c4528b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x65218c3ee960 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x65218c452a72 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x65218c436732 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x65218c42f209 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x65218c43733d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x65218c46ee5c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x65218c46ec32 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x65218c3e13dc - <integration_tests[68e946da3b5733a3]::write_to_file_with_newlines::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x65218c3e1dab - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x65218c3eef85 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x65218c3e8874 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x65218c3f2012 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x65218c459b5f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x7e5e00972dfa - <unknown>
[INFO] [stdout]   19:     0x7e5e00a063d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- write_to_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'write_to_file' (422) panicked at tests/integration_tests.rs:54:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65218c45a661 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x65218c46e72a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x65218c45e87c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x65218c436686 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x65218c4528b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x65218c3ee960 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x65218c452a72 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x65218c436732 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x65218c42f209 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x65218c43733d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x65218c46ee5c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x65218c46ec32 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x65218c3e078c - <integration_tests[68e946da3b5733a3]::write_to_file::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x65218c3e1dab - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x65218c3eef85 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x65218c3e8874 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x65218c3f2012 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x65218c459b5f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x7e5e00972dfa - <unknown>
[INFO] [stdout]   19:     0x7e5e00a063d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     write_to_file
[INFO] [stdout]     write_to_file_with_newlines
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test integration_tests`
[INFO] running `Command { std: "docker" "inspect" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554", kill_on_drop: false }`
[INFO] [stdout] c353c882402aaa00d180b3d5785910eb59ab5338b56c109cd58425fab6d4d554
