[INFO] fetching crate engiffen 0.8.1...
[INFO] testing engiffen-0.8.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate engiffen 0.8.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate engiffen 0.8.1
[INFO] finished tweaking crates.io crate engiffen 0.8.1
[INFO] tweaked toml for crates.io crate engiffen 0.8.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate engiffen 0.8.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to highest compatible versions
[INFO] [stderr]       Adding color_quant v1.0.1 (available: v1.1.0)
[INFO] [stderr]       Adding gif v0.9.2 (available: v0.14.2)
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.4)
[INFO] [stderr]       Adding image v0.13.0 (available: v0.25.10)
[INFO] [stderr]       Adding lab v0.4.4 (available: v0.11.0)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.3)
[INFO] [stderr]       Adding rayon v0.7.1 (available: v1.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | homepage = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 | repository = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `engiffen` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7
[INFO] running `Command { std: "docker" "start" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | homepage = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 | repository = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `engiffen` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling lab v0.4.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling engiffen v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f32::INFINITY`: replaced by the `INFINITY` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:383:70
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let closest_index = palette.iter().enumerate().fold((0, f32::INFINITY), |closest, (idx, p)| {
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stdout]    |                                        ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stdout] 45 + fn run_engiffen(args: &Args) -> Result<(Option<String>, Duration), RuntimeError> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parse_args.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse_args.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ArgsError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse_args.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |             ArgsError::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 20.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | homepage = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 | repository = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `engiffen` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling engiffen v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f32::INFINITY`: replaced by the `INFINITY` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:383:70
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let closest_index = palette.iter().enumerate().fold((0, f32::INFINITY), |closest, (idx, p)| {
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::INFINITY`: replaced by the `INFINITY` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:383:70
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let closest_index = palette.iter().enumerate().fold((0, f32::INFINITY), |closest, (idx, p)| {
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stdout]    |                                        ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stdout] 45 + fn run_engiffen(args: &Args) -> Result<(Option<String>, Duration), RuntimeError> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parse_args.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse_args.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ArgsError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse_args.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |             ArgsError::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | homepage = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 | repository = "https://github.com/TooManyBees/engiffen"
[INFO] [stderr]    |              -----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `engiffen` (manifest) generated 2 warnings
[INFO] [stderr] warning: use of deprecated constant `std::f32::INFINITY`: replaced by the `INFINITY` associated constant on `f32`
[INFO] [stderr]    --> src/lib.rs:383:70
[INFO] [stderr]     |
[INFO] [stderr] 383 |         let closest_index = palette.iter().enumerate().fold((0, f32::INFINITY), |closest, (idx, p)| {
[INFO] [stderr]     |                                                                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `engiffen` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stderr]    |                                        ^                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 - fn run_engiffen(args: &Args) -> Result<((Option<String>, Duration)), RuntimeError> {
[INFO] [stderr] 45 + fn run_engiffen(args: &Args) -> Result<(Option<String>, Duration), RuntimeError> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parse_args.rs:87:32
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parse_args.rs:79:46
[INFO] [stderr]    |
[INFO] [stderr] 79 |             ArgsError::Parse(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parse_args.rs:80:49
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ArgsError::ParseInt(ref err) => err.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `engiffen` (bin "engiffen" test) generated 4 warnings (run `cargo fix --bin "engiffen" -p engiffen --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `engiffen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/engiffen/f5510115ac687d2f/out/engiffen-f5510115ac687d2f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_compress_palette ... ignored
[INFO] [stdout] test tests::test_simple_paletted_gif ... ignored
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::test_error_on_size_mismatch ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_error_on_size_mismatch stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_error_on_size_mismatch' (581) panicked at src/lib.rs:423:62:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x579750751b61 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5797507667ca - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5797507561cc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x57975072d806 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x579750749e69 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x57975066aeb0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x57975074a192 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x57975072d8b2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5797507264f9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x57975072e4bd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x579750766efc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x579750766cd2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5797506587af - <engiffen[2152a09b53b5b58f]::tests::test_error_on_size_mismatch::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x57975065e2fb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x57975066b4d5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x579750664dc4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x57975066e562 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x5797507513af - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x70c1e8666dfa - <unknown>
[INFO] [stdout]   19:     0x70c1e86fa3d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_error_on_size_mismatch
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7", kill_on_drop: false }`
[INFO] [stdout] 27e830aef16731f1111b086a2ab5667ef3168a43dc3930f632ebf1ea63f999b7
