[INFO] updating cached repository https://github.com/adolfosilva/vcrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5be43fade21a56d8f69c8f0f5a928fdc99cea47f
[INFO] testing adolfosilva/vcrust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfosilva%2Fvcrust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adolfosilva/vcrust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adolfosilva/vcrust
[INFO] finished tweaking git repo https://github.com/adolfosilva/vcrust
[INFO] tweaked toml for git repo https://github.com/adolfosilva/vcrust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/adolfosilva/vcrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08df7e521c60c257dc12ce71e8629ebf11d5773c15907b8fe4a4cdab1e67da8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08df7e521c60c257dc12ce71e8629ebf11d5773c15907b8fe4a4cdab1e67da8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08df7e521c60c257dc12ce71e8629ebf11d5773c15907b8fe4a4cdab1e67da8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08df7e521c60c257dc12ce71e8629ebf11d5773c15907b8fe4a4cdab1e67da8d", kill_on_drop: false }`
[INFO] [stdout] 08df7e521c60c257dc12ce71e8629ebf11d5773c15907b8fe4a4cdab1e67da8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee5fa53dcf8536184627b37272901eb4dd16ce9399e3a8c51da3912580f0fe8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee5fa53dcf8536184627b37272901eb4dd16ce9399e3a8c51da3912580f0fe8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.44
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling vcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut bytes = try!(File::open(filepath)).bytes();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let format = try!(Image::read_magic_number(&mut bytes));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:202:34
[INFO] [stdout]     |
[INFO] [stdout] 202 |             ImageType::Binary => try!(Image::read_header_pbm(&mut bytes)),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:204:33
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let (w, h, m) = try!(Image::read_header_pgm_or_ppm(&mut bytes));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:248:31
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let (width, height) = try!(Image::read_header_pbm(&mut bytes));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `repeat` is imported redundantly
[INFO] [stdout]    --> src/image.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::iter::repeat;
[INFO] [stdout]     |     ----------------- the item `repeat` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 100 |         use std::iter::repeat;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> src/ops.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageType`
[INFO] [stdout]  --> src/ops.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{Image, ImageType, Channel};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]    --> src/image.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "ee5fa53dcf8536184627b37272901eb4dd16ce9399e3a8c51da3912580f0fe8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5fa53dcf8536184627b37272901eb4dd16ce9399e3a8c51da3912580f0fe8a", kill_on_drop: false }`
[INFO] [stdout] ee5fa53dcf8536184627b37272901eb4dd16ce9399e3a8c51da3912580f0fe8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c332bb437ef123866958b200b820d7ff8adc602b452aa2a2b3fbf30679992024
[INFO] running `Command { std: "docker" "start" "-a" "c332bb437ef123866958b200b820d7ff8adc602b452aa2a2b3fbf30679992024", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut bytes = try!(File::open(filepath)).bytes();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let format = try!(Image::read_magic_number(&mut bytes));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:202:34
[INFO] [stdout]     |
[INFO] [stdout] 202 |             ImageType::Binary => try!(Image::read_header_pbm(&mut bytes)),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:204:33
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let (w, h, m) = try!(Image::read_header_pgm_or_ppm(&mut bytes));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/image.rs:248:31
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let (width, height) = try!(Image::read_header_pbm(&mut bytes));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `repeat` is imported redundantly
[INFO] [stdout]    --> src/image.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::iter::repeat;
[INFO] [stdout]     |     ----------------- the item `repeat` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 100 |         use std::iter::repeat;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]    --> src/image.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/image.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     img.write("image/barbara2.pgm");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "c332bb437ef123866958b200b820d7ff8adc602b452aa2a2b3fbf30679992024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c332bb437ef123866958b200b820d7ff8adc602b452aa2a2b3fbf30679992024", kill_on_drop: false }`
[INFO] [stdout] c332bb437ef123866958b200b820d7ff8adc602b452aa2a2b3fbf30679992024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21cf06d3d602753a111e203c45dc5c2036aa3f1ba3cfe7ab9ef7535bded7c4f1
[INFO] running `Command { std: "docker" "start" "-a" "21cf06d3d602753a111e203c45dc5c2036aa3f1ba3cfe7ab9ef7535bded7c4f1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut bytes = try!(File::open(filepath)).bytes();
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:196:22
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let format = try!(Image::read_magic_number(&mut bytes));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:202:34
[INFO] [stderr]     |
[INFO] [stderr] 202 |             ImageType::Binary => try!(Image::read_header_pbm(&mut bytes)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:204:33
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let (w, h, m) = try!(Image::read_header_pgm_or_ppm(&mut bytes));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:248:31
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let (width, height) = try!(Image::read_header_pbm(&mut bytes));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[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] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vcrust-a6cb6468a974c3fe
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ops::test_brighten ... ok
[INFO] [stdout] test ops::test_negative_binary ... ok
[INFO] [stdout] test ops::test_negative_grayscale ... ok
[INFO] [stdout] test ops::test_darken ... 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] [stderr] error: test failed, to rerun pass '--bin vcrust'
[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:     0x55f8bafa5985 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f8bafa5985 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f8bafa5985 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f8bafa5985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f8bafcd97c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f8baf59735 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55f8baf9fec1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f8bafa80e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f8bafa80e0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f8bafa80e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f8bafa7dda - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f8bafa8723 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f8bafa831b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f8bafa828b - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f8baf50126 - vcrust::ops::test_darken::h54d88cbd118d1e85
[INFO] [stdout]                                at src/ops.rs:17
[INFO] [stdout]   15:     0x55f8baf4fe8a - vcrust::ops::test_darken::{{closure}}::h611ea63aa92789c3
[INFO] [stdout]                                at src/ops.rs:11
[INFO] [stdout]   16:     0x55f8baf4adfe - core::ops::function::FnOnce::call_once::hb03cdb7fe48d326d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f8baf80cac - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f8baf80cac - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f8baf80cac - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f8baf80cac - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f8baf80cac - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f8baf80cac - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f8baf80cac - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f8baf58c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f8baf5dc15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f8baf5dc15 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f8baf5dc15 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f8baf5dc15 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f8baf5dc15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f8bafae98a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb59b98f609 - start_thread
[INFO] [stdout]   36:     0x7fb59b89b103 - __clone
[INFO] [stdout]   37:                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, 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255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 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:     0x55f8bafa5985 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f8bafa5985 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f8bafa5985 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f8bafa5985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f8bafcd97c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f8baf59735 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55f8baf9fec1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f8bafa80e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f8bafa80e0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f8bafa80e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f8bafa7dda - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f8bafa8723 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f8bafa831b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f8bafa828b - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f8baf50d7b - vcrust::ops::test_negative_color::h566f8d2f5fc891d2
[INFO] [stdout]                                at src/ops.rs:71
[INFO] [stdout]   15:     0x55f8baf50aca - vcrust::ops::test_negative_color::{{closure}}::h769f424262fbd7ac
[INFO] [stdout]                                at src/ops.rs:65
[INFO] [stdout]   16:     0x55f8baf4ad9e - core::ops::function::FnOnce::call_once::ha87f792a2c540d43
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f8baf80cac - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f8baf80cac - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f8baf80cac - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f8baf80cac - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f8baf80cac - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f8baf80cac - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f8baf80cac - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f8baf58c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f8baf5dc15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f8baf5dc15 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f8baf5dc15 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f8baf5dc15 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f8baf5dc15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f8bafae98a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb59b98f609 - start_thread
[INFO] [stdout]   36:     0x7fb59b89b103 - __clone
[INFO] [stdout]   37:                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/image.rs:428:48
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f8bafa5985 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f8bafa5985 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f8bafa5985 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f8bafa5985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f8bafcd97c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f8baf59735 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55f8baf9fec1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f8bafa80e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f8bafa80e0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f8bafa80e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f8bafa7dda - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f8bafa8723 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f8bafa831b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f8bafcc311 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55f8bafcc133 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55f8baf51b57 - core::result::Result<T,E>::unwrap::hd9ae5673eeb0b9b5
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55f8baf432d0 - vcrust::image::read_write_read::h2f941e449a616413
[INFO] [stdout]                                at src/image.rs:428
[INFO] [stdout]   17:     0x55f8baf4326a - vcrust::image::read_write_read::{{closure}}::h87ab923d6e031379
[INFO] [stdout]                                at src/image.rs:426
[INFO] [stdout]   18:     0x55f8baf4ad0e - core::ops::function::FnOnce::call_once::h39c70b9bc700c948
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   19:     0x55f8baf80cac - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   20:     0x55f8baf80cac - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x55f8baf80cac - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   22:     0x55f8baf80cac - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   23:     0x55f8baf80cac - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x55f8baf80cac - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x55f8baf80cac - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x55f8baf58c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x55f8baf5dc15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x55f8baf5dc15 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   30:     0x55f8baf5dc15 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   31:     0x55f8baf5dc15 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x55f8baf5dc15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   34:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   35:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   36:     0x55f8bafae98a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7fb59b98f609 - start_thread
[INFO] [stdout]   38:     0x7fb59b89b103 - __clone
[INFO] [stdout]   39:                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:     0x55f8bafa5985 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f8bafa5985 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f8bafa5985 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f8bafa5985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f8bafcd97c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f8baf59735 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55f8baf9fec1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f8bafa80e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f8bafa80e0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f8bafa80e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f8bafa7dda - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f8bafa8723 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f8bafa831b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f8bafa828b - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f8baf42fbb - vcrust::image::read_grayscale_image::hf6fc7fba7a6b291a
[INFO] [stdout]                                at src/image.rs:416
[INFO] [stdout]   15:     0x55f8baf42d6a - vcrust::image::read_grayscale_image::{{closure}}::hf7c8ba69a23781c8
[INFO] [stdout]                                at src/image.rs:414
[INFO] [stdout]   16:     0x55f8baf4ad3e - core::ops::function::FnOnce::call_once::h4a1afa85a96387c0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f8baf80cac - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f8baf80cac - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f8baf80cac - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f8baf80cac - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f8baf80cac - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f8baf80cac - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f8baf80cac - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f8baf58c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f8baf5dc15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f8baf5dc15 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f8baf5dc15 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f8baf5dc15 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f8baf5dc15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f8bafae98a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb59b98f609 - start_thread
[INFO] [stdout]   36:     0x7fb59b89b103 - __clone
[INFO] [stdout]   37:                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:     0x55f8bafa5985 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f8bafa5985 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f8bafa5985 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f8bafa5985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f8bafcd97c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f8baf59735 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55f8baf9fec1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f8bafa80e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f8bafa80e0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f8bafa80e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f8bafa7dda - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f8bafa8723 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f8bafa831b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f8bafa828b - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f8baf4323b - vcrust::image::read_rgb_image::h9a5c0ee7355ef38b
[INFO] [stdout]                                at src/image.rs:422
[INFO] [stdout]   15:     0x55f8baf42fea - vcrust::image::read_rgb_image::{{closure}}::hea66814689e73c31
[INFO] [stdout]                                at src/image.rs:420
[INFO] [stdout]   16:     0x55f8baf4ae2e - core::ops::function::FnOnce::call_once::hb2efbcf21f2098bc
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f8baf80cac - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f8baf80cac - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f8baf80cac - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f8baf80cac - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f8baf80cac - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f8baf80cac - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f8baf80cac - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f8baf58c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f8baf5dc15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f8baf5dc15 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f8baf5dc15 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f8baf5dc15 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f8baf5dc15 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f8baf5dc15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f8bafae98a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f8bafae98a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb59b98f609 - start_thread
[INFO] [stdout]   36:     0x7fb59b89b103 - __clone
[INFO] [stdout]   37:                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_darken
[INFO] [stdout]     ops::test_negative_color
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21cf06d3d602753a111e203c45dc5c2036aa3f1ba3cfe7ab9ef7535bded7c4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cf06d3d602753a111e203c45dc5c2036aa3f1ba3cfe7ab9ef7535bded7c4f1", kill_on_drop: false }`
[INFO] [stdout] 21cf06d3d602753a111e203c45dc5c2036aa3f1ba3cfe7ab9ef7535bded7c4f1