[INFO] updating cached repository adolfosilva/vcrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adolfosilva/vcrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adolfosilva/vcrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adolfosilva/vcrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5be43fade21a56d8f69c8f0f5a928fdc99cea47f
[INFO] sha for GitHub repo adolfosilva/vcrust: 5be43fade21a56d8f69c8f0f5a928fdc99cea47f
[INFO] validating manifest of adolfosilva/vcrust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adolfosilva/vcrust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adolfosilva/vcrust
[INFO] finished frobbing adolfosilva/vcrust
[INFO] frobbed toml for adolfosilva/vcrust written to work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust/Cargo.toml
[INFO] started frobbing adolfosilva/vcrust
[INFO] finished frobbing adolfosilva/vcrust
[INFO] frobbed toml for adolfosilva/vcrust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adolfosilva/vcrust/Cargo.toml
[INFO] crate adolfosilva/vcrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing adolfosilva/vcrust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3aeb5aeca3276f50c34ad0460025f955cac4e1bb8a92a2edb9b238555276a0ad
[INFO] running `"docker" "start" "-a" "3aeb5aeca3276f50c34ad0460025f955cac4e1bb8a92a2edb9b238555276a0ad"`
[INFO] [stderr]    Compiling gcc v0.3.44
[INFO] [stderr]    Compiling vcrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `repeat` is imported redundantly
[INFO] [stderr]    --> src/image.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::iter::repeat;
[INFO] [stderr]     |     ----------------- the item `repeat` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 100 |         use std::iter::repeat;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/ops.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageType`
[INFO] [stderr]  --> src/ops.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{Image, ImageType, Channel};
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/image.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `"docker" "inspect" "3aeb5aeca3276f50c34ad0460025f955cac4e1bb8a92a2edb9b238555276a0ad"`
[INFO] running `"docker" "rm" "-f" "3aeb5aeca3276f50c34ad0460025f955cac4e1bb8a92a2edb9b238555276a0ad"`
[INFO] [stdout] 3aeb5aeca3276f50c34ad0460025f955cac4e1bb8a92a2edb9b238555276a0ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb8f4c7e36e45fcc2df17c0562cf6cb45009ef8cfc15d6d4b3cde0113d89007f
[INFO] running `"docker" "start" "-a" "bb8f4c7e36e45fcc2df17c0562cf6cb45009ef8cfc15d6d4b3cde0113d89007f"`
[INFO] [stderr]    Compiling vcrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `repeat` is imported redundantly
[INFO] [stderr]    --> src/image.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::iter::repeat;
[INFO] [stderr]     |     ----------------- the item `repeat` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 100 |         use std::iter::repeat;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/image.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/image.rs:429:5
[INFO] [stderr]     |
[INFO] [stderr] 429 |     img.write("image/barbara2.pgm");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "bb8f4c7e36e45fcc2df17c0562cf6cb45009ef8cfc15d6d4b3cde0113d89007f"`
[INFO] running `"docker" "rm" "-f" "bb8f4c7e36e45fcc2df17c0562cf6cb45009ef8cfc15d6d4b3cde0113d89007f"`
[INFO] [stdout] bb8f4c7e36e45fcc2df17c0562cf6cb45009ef8cfc15d6d4b3cde0113d89007f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adolfosilva/vcrust:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 271f25cc1e4e1d558e3393dfc7205601452b73314bf5c3180ed2bcc9dd3622bf
[INFO] running `"docker" "start" "-a" "271f25cc1e4e1d558e3393dfc7205601452b73314bf5c3180ed2bcc9dd3622bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vcrust-777d923c7751ec09
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ops::test_negative_grayscale ... ok
[INFO] [stdout] test ops::test_negative_binary ... ok
[INFO] [stdout] test ops::test_darken ... FAILED
[INFO] [stdout] test ops::test_brighten ... FAILED
[INFO] [stdout] test ops::test_negative_color ... FAILED
[INFO] [stdout] test image::read_write_read ... FAILED
[INFO] [stdout] test image::read_grayscale_image ... FAILED
[INFO] [stdout] test image::read_rgb_image ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ops::test_darken stdout ----
[INFO] [stdout] thread 'ops::test_darken' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[0]`,
[INFO] [stdout]  right: `[0, 204, 96, 112, 128, 144, 156, 160, 196, 74]`', src/ops.rs:17:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f798096ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stdout]                                at src/libstd/panicking.rs:336
[INFO] [stdout]    7:     0x555f797b5fce - vcrust::ops::test_darken::h68d029e4cd9fec53
[INFO] [stdout]                                at src/ops.rs:17
[INFO] [stdout]    8:     0x555f797b5d49 - vcrust::ops::test_darken::{{closure}}::h4ba28185a47495d5
[INFO] [stdout]                                at src/ops.rs:11
[INFO] [stdout]    9:     0x555f797ab35d - core::ops::function::FnOnce::call_once::h71854ab4880ea318
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   11:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   12:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   13:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   14:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   15:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   18:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   19:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   20:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- ops::test_brighten stdout ----
[INFO] [stdout] thread 'ops::test_brighten' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[0, 255, 180, 210, 240, 255, 255, 255, 255, 139]`,
[INFO] [stdout]  right: `[0, 126, 180, 210, 240, 14, 36, 44, 111, 139]`', src/ops.rs:33:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f798096ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stdout]                                at src/libstd/panicking.rs:336
[INFO] [stdout]    7:     0x555f797b62d7 - vcrust::ops::test_brighten::h741ab12983ffa29e
[INFO] [stdout]                                at src/ops.rs:33
[INFO] [stdout]    8:     0x555f797b6029 - vcrust::ops::test_brighten::{{closure}}::h7dd4cacfdfbeca39
[INFO] [stdout]                                at src/ops.rs:27
[INFO] [stdout]    9:     0x555f797ab45d - core::ops::function::FnOnce::call_once::hc5b43b933988cc10
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   11:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   12:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   13:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   14:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   15:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   18:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   19:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   20:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- ops::test_negative_color stdout ----
[INFO] [stdout] thread 'ops::test_negative_color' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255]`,
[INFO] [stdout]  right: `[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255]`', src/ops.rs:71:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f798096ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stdout]                                at src/libstd/panicking.rs:336
[INFO] [stdout]    7:     0x555f797b6bbe - vcrust::ops::test_negative_color::h5bda03c6048e2e42
[INFO] [stdout]                                at src/ops.rs:71
[INFO] [stdout]    8:     0x555f797b6939 - vcrust::ops::test_negative_color::{{closure}}::h79f93a7f873068d9
[INFO] [stdout]                                at src/ops.rs:65
[INFO] [stdout]    9:     0x555f797ab3dd - core::ops::function::FnOnce::call_once::h8342eec2189345ed
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   11:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   12:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   13:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   14:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   15:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   18:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   19:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   20:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- image::read_write_read stdout ----
[INFO] [stdout] thread 'image::read_write_read' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f79809645 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x555f7981febc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x555f797b8b12 - core::result::unwrap_failed::h80a70aaca2b8ae0a
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x555f797b9e83 - core::result::Result<T,E>::unwrap::hfd67fdd7414e65db
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x555f797a4d8f - vcrust::image::read_write_read::h7b777ae34953d8ed
[INFO] [stdout]                                at src/image.rs:428
[INFO] [stdout]   11:     0x555f797a4d39 - vcrust::image::read_write_read::{{closure}}::h4ea54501e639ff3e
[INFO] [stdout]                                at src/image.rs:426
[INFO] [stdout]   12:     0x555f797ab4dd - core::ops::function::FnOnce::call_once::hf46bdfaf9b5e1bdb
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   14:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   16:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   17:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   18:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   19:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   22:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   23:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- image::read_grayscale_image stdout ----
[INFO] [stdout] ws: "512"
[INFO] [stdout] hs: "512"
[INFO] [stdout] thread 'image::read_grayscale_image' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[201, 202, 195, 189, 194]`,
[INFO] [stdout]  right: `[181, 201, 202, 195, 189]`', src/image.rs:416:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f798096ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stdout]                                at src/libstd/panicking.rs:336
[INFO] [stdout]    7:     0x555f797a4a92 - vcrust::image::read_grayscale_image::h104dc74df4092dee
[INFO] [stdout]                                at src/image.rs:416
[INFO] [stdout]    8:     0x555f797a4859 - vcrust::image::read_grayscale_image::{{closure}}::h9af462f75ca12bac
[INFO] [stdout]                                at src/image.rs:414
[INFO] [stdout]    9:     0x555f797ab39d - core::ops::function::FnOnce::call_once::h7e178ae17cae80eb
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   11:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   12:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   13:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   14:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   15:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   18:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   19:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   20:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- image::read_rgb_image stdout ----
[INFO] [stdout] ws: "720"
[INFO] [stdout] hs: "576"
[INFO] [stdout] thread 'image::read_rgb_image' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[12, 9, 17, 12, 9]`,
[INFO] [stdout]  right: `[9, 7, 12, 9, 17, 10]`', src/image.rs:422:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555f7980a793 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x555f798060cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x555f798094d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x555f798091fe - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x555f79809bdf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x555f79809761 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x555f798096ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stdout]                                at src/libstd/panicking.rs:336
[INFO] [stdout]    7:     0x555f797a4d02 - vcrust::image::read_rgb_image::hd1afe98702fab525
[INFO] [stdout]                                at src/image.rs:422
[INFO] [stdout]    8:     0x555f797a4ac9 - vcrust::image::read_rgb_image::{{closure}}::h34c30a6b98f11939
[INFO] [stdout]                                at src/image.rs:420
[INFO] [stdout]    9:     0x555f797ab49d - core::ops::function::FnOnce::call_once::hd13238119a8c21c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x555f797c7b8e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   11:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   12:     0x555f797e2487 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   13:     0x555f797bcea4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   14:     0x555f797c0f54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   15:     0x555f79810b89 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x555f797c1561 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x555f797fd7fe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   18:     0x555f7981026f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   19:     0x7f0f0e0264a3 - start_thread
[INFO] [stdout]   20:     0x7f0f0db51d0e - __clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     image::read_grayscale_image
[INFO] [stdout]     image::read_rgb_image
[INFO] [stdout]     image::read_write_read
[INFO] [stdout]     ops::test_brighten
[INFO] [stdout]     ops::test_darken
[INFO] [stdout]     ops::test_negative_color
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin vcrust'
[INFO] running `"docker" "inspect" "271f25cc1e4e1d558e3393dfc7205601452b73314bf5c3180ed2bcc9dd3622bf"`
[INFO] running `"docker" "rm" "-f" "271f25cc1e4e1d558e3393dfc7205601452b73314bf5c3180ed2bcc9dd3622bf"`
[INFO] [stdout] 271f25cc1e4e1d558e3393dfc7205601452b73314bf5c3180ed2bcc9dd3622bf