[INFO] cloning repository https://github.com/golmman/wfc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golmman/wfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolmman%2Fwfc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolmman%2Fwfc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a465e54887a669024809e3149357300c410cb710
[INFO] testing golmman/wfc against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolmman%2Fwfc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/golmman/wfc
[INFO] finished tweaking git repo https://github.com/golmman/wfc
[INFO] tweaked toml for git repo https://github.com/golmman/wfc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/golmman/wfc on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/golmman/wfc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 563a2b4d74e415be2f471fcfa431e1e7b49266576e4ff61560c8ffaf511e7525
[INFO] running `Command { std: "docker" "start" "-a" "563a2b4d74e415be2f471fcfa431e1e7b49266576e4ff61560c8ffaf511e7525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563a2b4d74e415be2f471fcfa431e1e7b49266576e4ff61560c8ffaf511e7525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563a2b4d74e415be2f471fcfa431e1e7b49266576e4ff61560c8ffaf511e7525", kill_on_drop: false }`
[INFO] [stdout] 563a2b4d74e415be2f471fcfa431e1e7b49266576e4ff61560c8ffaf511e7525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d99c69fb82ba36005f66cd8ed0523eb21c322d04f950c29d27a1bfb9b65a30
[INFO] running `Command { std: "docker" "start" "-a" "f6d99c69fb82ba36005f66cd8ed0523eb21c322d04f950c29d27a1bfb9b65a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
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[INFO] [stderr]    Compiling paste v1.0.15
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling ravif v0.11.12
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling wfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `REVERSE_INDICES` is never used
[INFO] [stdout]   --> src/pattern8.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const REVERSE_INDICES: [usize; PATTERN_SIZE] = [7, 6, 5, 4, 3, 2, 1, 0];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REVERSE_DIRS` is never used
[INFO] [stdout]   --> src/pattern8.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const REVERSE_DIRS: [Vec2; PATTERN_SIZE] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_collapsed_color_at` is never used
[INFO] [stdout]    --> src/superposition.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | impl<const N: usize, T: Pattern<N>> ImageSuperposition<N, T> {
[INFO] [stdout]     | ------------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn get_collapsed_color_at(&self, pixel_index: usize) -> Option<Color> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_weights` is never used
[INFO] [stdout]    --> src/superposition.rs:347:4
[INFO] [stdout]     |
[INFO] [stdout] 347 | fn calc_weights<const N: usize, T: Pattern<N>>(pixel_sp: &PixelSuperposition<N, T>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "f6d99c69fb82ba36005f66cd8ed0523eb21c322d04f950c29d27a1bfb9b65a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d99c69fb82ba36005f66cd8ed0523eb21c322d04f950c29d27a1bfb9b65a30", kill_on_drop: false }`
[INFO] [stdout] f6d99c69fb82ba36005f66cd8ed0523eb21c322d04f950c29d27a1bfb9b65a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e9eea845552937def9ba534729517f40a2f594932701c409d88ecf0ab8d93b
[INFO] running `Command { std: "docker" "start" "-a" "86e9eea845552937def9ba534729517f40a2f594932701c409d88ecf0ab8d93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `REVERSE_INDICES` is never used
[INFO] [stdout]   --> src/pattern8.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const REVERSE_INDICES: [usize; PATTERN_SIZE] = [7, 6, 5, 4, 3, 2, 1, 0];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REVERSE_DIRS` is never used
[INFO] [stdout]   --> src/pattern8.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const REVERSE_DIRS: [Vec2; PATTERN_SIZE] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_collapsed_color_at` is never used
[INFO] [stdout]    --> src/superposition.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | impl<const N: usize, T: Pattern<N>> ImageSuperposition<N, T> {
[INFO] [stdout]     | ------------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn get_collapsed_color_at(&self, pixel_index: usize) -> Option<Color> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_weights` is never used
[INFO] [stdout]    --> src/superposition.rs:347:4
[INFO] [stdout]     |
[INFO] [stdout] 347 | fn calc_weights<const N: usize, T: Pattern<N>>(pixel_sp: &PixelSuperposition<N, T>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "86e9eea845552937def9ba534729517f40a2f594932701c409d88ecf0ab8d93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e9eea845552937def9ba534729517f40a2f594932701c409d88ecf0ab8d93b", kill_on_drop: false }`
[INFO] [stdout] 86e9eea845552937def9ba534729517f40a2f594932701c409d88ecf0ab8d93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d95fb90804359e9dec1eb3d7fd7b26b51c210896f16d30470e148c6b7c64bfb
[INFO] running `Command { std: "docker" "start" "-a" "2d95fb90804359e9dec1eb3d7fd7b26b51c210896f16d30470e148c6b7c64bfb", kill_on_drop: false }`
[INFO] [stderr] warning: constant `REVERSE_INDICES` is never used
[INFO] [stderr]   --> src/pattern8.rs:25:7
[INFO] [stderr]    |
[INFO] [stderr] 25 | const REVERSE_INDICES: [usize; PATTERN_SIZE] = [7, 6, 5, 4, 3, 2, 1, 0];
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `REVERSE_DIRS` is never used
[INFO] [stderr]   --> src/pattern8.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | const REVERSE_DIRS: [Vec2; PATTERN_SIZE] = [
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_collapsed_color_at` is never used
[INFO] [stderr]    --> src/superposition.rs:209:8
[INFO] [stderr]     |
[INFO] [stderr] 175 | impl<const N: usize, T: Pattern<N>> ImageSuperposition<N, T> {
[INFO] [stderr]     | ------------------------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 209 |     fn get_collapsed_color_at(&self, pixel_index: usize) -> Option<Color> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc_weights` is never used
[INFO] [stderr]    --> src/superposition.rs:347:4
[INFO] [stderr]     |
[INFO] [stderr] 347 | fn calc_weights<const N: usize, T: Pattern<N>>(pixel_sp: &PixelSuperposition<N, T>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wfc` (bin "wfc" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wfc-114dea9fb3d93ff2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test vec2::test::it_ensures_to_be_inside_a_rectangle ... ok
[INFO] [stdout] test superposition::test::it_extracts_1_pattern_from_a_simple_image ... ok
[INFO] [stdout] test vec2::test::it_calculates_the_position_from_an_index ... ok
[INFO] [stdout] test vec2::test::it_is_outside_of_rectangle ... ok
[INFO] [stdout] test weighted::test::it ... ok
[INFO] [stdout] test stack_set::test::it_behaves_like_a_stack_with_unique_elements ... ok
[INFO] [stdout] test image::test::it_should_read_and_then_write_a_red_line_to_an_image ... FAILED
[INFO] [stdout] test superposition::test::it_calculates_the_entropy_of_a_pixel_superposition ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- image::test::it_should_read_and_then_write_a_red_line_to_an_image stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'image::test::it_should_read_and_then_write_a_red_line_to_an_image' (18) panicked at src/image.rs:76:27:
[INFO] [stdout] Failed to save image: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602e0b830dea - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602e0b830dea - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602e0b830dea - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x602e0b830dea - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x602e0b84767a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x602e0b84767a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x602e0b8358d2 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x602e0b8358d2 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x602e0b80f95f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x602e0b80f95f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x602e0b829109 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x602e0af9439c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x602e0af9439c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x602e0b829382 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x602e0b829382 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x602e0b80fa18 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x602e0b804bf9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x602e0b81072d - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x602e0b847e0c - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x602e0b847b82 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x602e0af83ca5 - <core[d17f6591d688f3bd]::result::Result<(), image[5919eee9ef7b9f59]::error::ImageError>>::expect
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x602e0af46f97 - wfc[5aa5f94ecc9fc251]::image::save_image::<&str>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/image.rs:76:27
[INFO] [stdout]   22:     0x602e0af33d53 - wfc[5aa5f94ecc9fc251]::image::test::it_should_read_and_then_write_a_red_line_to_an_image
[INFO] [stdout]                                at /opt/rustwide/workdir/src/image.rs:97:9
[INFO] [stdout]   23:     0x602e0af2b3c7 - wfc[5aa5f94ecc9fc251]::image::test::it_should_read_and_then_write_a_red_line_to_an_image::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/image.rs:86:62
[INFO] [stdout]   24:     0x602e0aef2d96 - <wfc[5aa5f94ecc9fc251]::image::test::it_should_read_and_then_write_a_red_line_to_an_image::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x602e0af8767b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x602e0af8767b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   27:     0x602e0af94e6b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   28:     0x602e0af94e6b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   29:     0x602e0af94e6b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x602e0af94e6b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x602e0af94e6b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x602e0af94e6b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   33:     0x602e0af94e6b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   34:     0x602e0af8e584 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   35:     0x602e0af8e584 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x602e0af97a72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   37:     0x602e0af97a72 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   38:     0x602e0af97a72 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x602e0af97a72 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x602e0af97a72 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x602e0af97a72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   42:     0x602e0af97a72 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x602e0b8306ef - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   44:     0x602e0b8306ef - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   45:     0x771b2d273aa4 - <unknown>
[INFO] [stdout]   46:     0x771b2d300a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     image::test::it_should_read_and_then_write_a_red_line_to_an_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin wfc`
[INFO] running `Command { std: "docker" "inspect" "2d95fb90804359e9dec1eb3d7fd7b26b51c210896f16d30470e148c6b7c64bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d95fb90804359e9dec1eb3d7fd7b26b51c210896f16d30470e148c6b7c64bfb", kill_on_drop: false }`
[INFO] [stdout] 2d95fb90804359e9dec1eb3d7fd7b26b51c210896f16d30470e148c6b7c64bfb
