[INFO] crate steg 0.1.5 is already in cache
[INFO] extracting crate steg 0.1.5 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/steg/0.1.5
[INFO] extracting crate steg 0.1.5 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/steg/0.1.5
[INFO] validating manifest of steg-0.1.5 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 steg-0.1.5 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 steg-0.1.5
[INFO] finished frobbing steg-0.1.5
[INFO] frobbed toml for steg-0.1.5 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/steg/0.1.5/Cargo.toml
[INFO] started frobbing steg-0.1.5
[INFO] finished frobbing steg-0.1.5
[INFO] frobbed toml for steg-0.1.5 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/steg/0.1.5/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 steg-0.1.5 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/steg/0.1.5:/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] 096dca2325332cb08eeb53dfb34f97a12f8b1edbc46aa91e3b5e41820defb56e
[INFO] running `"docker" "start" "-a" "096dca2325332cb08eeb53dfb34f97a12f8b1edbc46aa91e3b5e41820defb56e"`
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling whitespace_text_steganography v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling lsb_text_png_steganography v0.1.2
[INFO] [stderr]    Compiling lsb_png_steganography v0.1.0
[INFO] [stderr]    Compiling steg v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.48s
[INFO] running `"docker" "inspect" "096dca2325332cb08eeb53dfb34f97a12f8b1edbc46aa91e3b5e41820defb56e"`
[INFO] running `"docker" "rm" "-f" "096dca2325332cb08eeb53dfb34f97a12f8b1edbc46aa91e3b5e41820defb56e"`
[INFO] [stdout] 096dca2325332cb08eeb53dfb34f97a12f8b1edbc46aa91e3b5e41820defb56e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/steg/0.1.5:/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] 31216ade05bb979031fed1b51d3d0a546059205dddf9c186096ddf77fff91ec6
[INFO] running `"docker" "start" "-a" "31216ade05bb979031fed1b51d3d0a546059205dddf9c186096ddf77fff91ec6"`
[INFO] [stderr]    Compiling steg v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "31216ade05bb979031fed1b51d3d0a546059205dddf9c186096ddf77fff91ec6"`
[INFO] running `"docker" "rm" "-f" "31216ade05bb979031fed1b51d3d0a546059205dddf9c186096ddf77fff91ec6"`
[INFO] [stdout] 31216ade05bb979031fed1b51d3d0a546059205dddf9c186096ddf77fff91ec6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/steg/0.1.5:/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] b57303b86ff718fff5feb4b2bdaa44effabc66b3eed261da7c3965d9c3115671
[INFO] running `"docker" "start" "-a" "b57303b86ff718fff5feb4b2bdaa44effabc66b3eed261da7c3965d9c3115671"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/steg-3ba07ec5e5d9fcc5
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::whitespace_text_steganography_hide_does_not_panic ... FAILED
[INFO] [stdout] test tests::lsb_png_steganography_reveal_does_not_panic ... FAILED
[INFO] [stdout] test tests::whitespace_text_steganography_reveal_does_not_panic ... FAILED
[INFO] [stdout] test tests::lsb_text_png_steganography_hide_does_not_panic ... FAILED
[INFO] [stdout] test tests::lsb_text_png_steganography_reveal_does_not_panic ... FAILED
[INFO] [stdout] test tests::lsb_png_steganography_hide_does_not_panic ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::whitespace_text_steganography_hide_does_not_panic stdout ----
[INFO] [stdout] Hide using - whitespace text steganography (whitespace_text_steganography)
[INFO] [stdout] thread 'tests::whitespace_text_steganography_hide_does_not_panic' panicked at 'Unable to write package file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b3d4429 - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825
[INFO] [stdout]   10:     0x55a96b1f47b1 - steg[48b21dd5982870b5]::text::whitespace_text_steganography::hide
[INFO] [stdout]                                at src/text/whitespace_text_steganography/mod.rs:8
[INFO] [stdout]   11:     0x55a96b1f2ca6 - steg[48b21dd5982870b5]::run_hide
[INFO] [stdout]                                at src/lib.rs:43
[INFO] [stdout]   12:     0x55a96b1f32f0 - steg[48b21dd5982870b5]::tests::whitespace_text_steganography_hide_does_not_panic
[INFO] [stdout]                                at src/lib.rs:123
[INFO] [stdout]   13:     0x55a96b1f3239 - steg[48b21dd5982870b5]::tests::whitespace_text_steganography_hide_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:113
[INFO] [stdout]   14:     0x55a96b1f3d5d - <steg[48b21dd5982870b5]::tests::whitespace_text_steganography_hide_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::lsb_png_steganography_reveal_does_not_panic stdout ----
[INFO] [stdout] thread 'tests::lsb_png_steganography_reveal_does_not_panic' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b1f38df - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:798
[INFO] [stdout]   10:     0x55a96b1f4cef - steg[48b21dd5982870b5]::images::lsb_png_steganography::reveal
[INFO] [stdout]                                at src/images/lsb_png_steganography/mod.rs:10
[INFO] [stdout]   11:     0x55a96b1f3029 - steg[48b21dd5982870b5]::run_reveal
[INFO] [stdout]                                at src/lib.rs:77
[INFO] [stdout]   12:     0x55a96b1f3227 - steg[48b21dd5982870b5]::tests::lsb_png_steganography_reveal_does_not_panic
[INFO] [stdout]                                at src/lib.rs:109
[INFO] [stdout]   13:     0x55a96b1f3179 - steg[48b21dd5982870b5]::tests::lsb_png_steganography_reveal_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:100
[INFO] [stdout]   14:     0x55a96b1f3c9d - <steg[48b21dd5982870b5]::tests::lsb_png_steganography_reveal_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::whitespace_text_steganography_reveal_does_not_panic stdout ----
[INFO] [stdout] [49, 10, 50]
[INFO] [stdout] thread 'tests::whitespace_text_steganography_reveal_does_not_panic' panicked at 'Unable to write hidden text file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b3d4429 - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825
[INFO] [stdout]   10:     0x55a96b1f483d - steg[48b21dd5982870b5]::text::whitespace_text_steganography::reveal
[INFO] [stdout]                                at src/text/whitespace_text_steganography/mod.rs:14
[INFO] [stdout]   11:     0x55a96b1f3029 - steg[48b21dd5982870b5]::run_reveal
[INFO] [stdout]                                at src/lib.rs:77
[INFO] [stdout]   12:     0x55a96b1f33ab - steg[48b21dd5982870b5]::tests::whitespace_text_steganography_reveal_does_not_panic
[INFO] [stdout]                                at src/lib.rs:136
[INFO] [stdout]   13:     0x55a96b1f3309 - steg[48b21dd5982870b5]::tests::whitespace_text_steganography_reveal_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:127
[INFO] [stdout]   14:     0x55a96b1f3cdd - <steg[48b21dd5982870b5]::tests::whitespace_text_steganography_reveal_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::lsb_text_png_steganography_hide_does_not_panic stdout ----
[INFO] [stdout] Hide using - Least Significant Bit Text into PNG Steganography (lsb_text_png_steganography)
[INFO] [stdout] thread 'tests::lsb_text_png_steganography_hide_does_not_panic' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b1f38df - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:798
[INFO] [stdout]   10:     0x55a96b1f48c3 - steg[48b21dd5982870b5]::text::lsb_text_png_steganography::hide
[INFO] [stdout]                                at src/text/lsb_text_png_steganography/mod.rs:8
[INFO] [stdout]   11:     0x55a96b1f2ca6 - steg[48b21dd5982870b5]::run_hide
[INFO] [stdout]                                at src/lib.rs:43
[INFO] [stdout]   12:     0x55a96b1f3480 - steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_hide_does_not_panic
[INFO] [stdout]                                at src/lib.rs:150
[INFO] [stdout]   13:     0x55a96b1f33c9 - steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_hide_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:140
[INFO] [stdout]   14:     0x55a96b1f3d1d - <steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_hide_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::lsb_text_png_steganography_reveal_does_not_panic stdout ----
[INFO] [stdout] thread 'tests::lsb_text_png_steganography_reveal_does_not_panic' panicked at 'Unable to write hidden text file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b3d4429 - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:825
[INFO] [stdout]   10:     0x55a96b1f496d - steg[48b21dd5982870b5]::text::lsb_text_png_steganography::reveal
[INFO] [stdout]                                at src/text/lsb_text_png_steganography/mod.rs:14
[INFO] [stdout]   11:     0x55a96b1f3029 - steg[48b21dd5982870b5]::run_reveal
[INFO] [stdout]                                at src/lib.rs:77
[INFO] [stdout]   12:     0x55a96b1f3547 - steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_reveal_does_not_panic
[INFO] [stdout]                                at src/lib.rs:163
[INFO] [stdout]   13:     0x55a96b1f3499 - steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_reveal_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:154
[INFO] [stdout]   14:     0x55a96b1f3d9d - <steg[48b21dd5982870b5]::tests::lsb_text_png_steganography_reveal_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::lsb_png_steganography_hide_does_not_panic stdout ----
[INFO] [stdout] Hide using - Least Significant Bit PNG Steganography (lsb_png_steganography)
[INFO] [stdout] thread 'tests::lsb_png_steganography_hide_does_not_panic' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a96b4f7353 - 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:     0x55a96b4f2f7b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55a96b4f5f16 - 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:     0x55a96b4f5c17 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55a96b4f6620 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55a96b4f61a1 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55a96b4f6085 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55a96b50d2dc - core[b849d6d0cd70c3a8]::panicking::panic_fmt
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55a96b3d2827 - core[b849d6d0cd70c3a8]::result::unwrap_failed::<std[698b411d1b74fcff]::io::error::Error>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55a96b1f38df - <core[b849d6d0cd70c3a8]::result::Result<(), std[698b411d1b74fcff]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:798
[INFO] [stdout]   10:     0x55a96b1f4c63 - steg[48b21dd5982870b5]::images::lsb_png_steganography::hide
[INFO] [stdout]                                at src/images/lsb_png_steganography/mod.rs:5
[INFO] [stdout]   11:     0x55a96b1f2ca6 - steg[48b21dd5982870b5]::run_hide
[INFO] [stdout]                                at src/lib.rs:43
[INFO] [stdout]   12:     0x55a96b1f3160 - steg[48b21dd5982870b5]::tests::lsb_png_steganography_hide_does_not_panic
[INFO] [stdout]                                at src/lib.rs:96
[INFO] [stdout]   13:     0x55a96b1f30a9 - steg[48b21dd5982870b5]::tests::lsb_png_steganography_hide_does_not_panic::{closure#0}
[INFO] [stdout]                                at src/lib.rs:88
[INFO] [stdout]   14:     0x55a96b1f3c5d - <steg[48b21dd5982870b5]::tests::lsb_png_steganography_hide_does_not_panic::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x55a96b1ffade - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::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]   16:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   17:     0x55a96b219fc7 - 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]   18:     0x55a96b1f5374 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   19:     0x55a96b1f4e94 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   20:     0x55a96b4f98e9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   21:     0x55a96b1ff81c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{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]   22:     0x55a96b4f909d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::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]   23:     0x7f50836dc493 - start_thread
[INFO] [stdout]   24:     0x7f5083207ace - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::lsb_png_steganography_hide_does_not_panic
[INFO] [stdout]     tests::lsb_png_steganography_reveal_does_not_panic
[INFO] [stdout]     tests::lsb_text_png_steganography_hide_does_not_panic
[INFO] [stdout]     tests::lsb_text_png_steganography_reveal_does_not_panic
[INFO] [stdout]     tests::whitespace_text_steganography_hide_does_not_panic
[INFO] [stdout]     tests::whitespace_text_steganography_reveal_does_not_panic
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "b57303b86ff718fff5feb4b2bdaa44effabc66b3eed261da7c3965d9c3115671"`
[INFO] running `"docker" "rm" "-f" "b57303b86ff718fff5feb4b2bdaa44effabc66b3eed261da7c3965d9c3115671"`
[INFO] [stdout] b57303b86ff718fff5feb4b2bdaa44effabc66b3eed261da7c3965d9c3115671