[INFO] cloning repository https://github.com/stallmanifold/fontgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stallmanifold/fontgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a7a9e5dd8c544a3bed021e047669f15c6f74c71
[INFO] testing stallmanifold/fontgen against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stallmanifold/fontgen
[INFO] finished tweaking git repo https://github.com/stallmanifold/fontgen
[INFO] tweaked toml for git repo https://github.com/stallmanifold/fontgen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stallmanifold/fontgen on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stallmanifold/fontgen 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/bmfa`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb80de3d03e7a2981d5a60ba8a4fb0270a63b7cb38ae1a4e098068222172552
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[INFO] running `Command { std: "docker" "inspect" "9bb80de3d03e7a2981d5a60ba8a4fb0270a63b7cb38ae1a4e098068222172552", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649d635af003cdc4fcb913aba2955389734d85d2d372841f997ac9bea9120632
[INFO] running `Command { std: "docker" "start" "-a" "649d635af003cdc4fcb913aba2955389734d85d2d372841f997ac9bea9120632", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cc v1.0.28
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[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.2.18
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[INFO] [stderr]    Compiling freetype-rs v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
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[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bmfa v0.3.6 (https://github.com/lambdaxymox/bmfa#c58c7f77)
[INFO] [stderr]    Compiling fontgen v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pitch` is never read
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct GlyphTable {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pitch: Vec<i32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:363:31
[INFO] [stdout]     |
[INFO] [stdout] 363 |     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout]     |     ------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OptError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 363 -     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout] 363 +     SlotGlyphSizeCannotBeZero(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "649d635af003cdc4fcb913aba2955389734d85d2d372841f997ac9bea9120632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649d635af003cdc4fcb913aba2955389734d85d2d372841f997ac9bea9120632", kill_on_drop: false }`
[INFO] [stdout] 649d635af003cdc4fcb913aba2955389734d85d2d372841f997ac9bea9120632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f01a2406deb649c9cc5c56038b92cde97835956f24a6cb5f27d38f660df84c
[INFO] running `Command { std: "docker" "start" "-a" "42f01a2406deb649c9cc5c56038b92cde97835956f24a6cb5f27d38f660df84c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stdout] warning: field `pitch` is never read
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct GlyphTable {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pitch: Vec<i32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:363:31
[INFO] [stdout]     |
[INFO] [stdout] 363 |     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout]     |     ------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OptError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 363 -     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout] 363 +     SlotGlyphSizeCannotBeZero(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling predicates v1.0.0
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling fontgen v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/fontgen.rs:10:62
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn generate_a_font_sheet_from_a_ttf_file() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn generate_a_font_sheet_from_a_ttf_file() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/fontgen.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn generate_a_font_sheet_that_does_not_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn generate_a_font_sheet_that_does_not_exist() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/fontgen.rs:50:82
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn fontgen_should_reject_padding_larger_than_slot_glyph_size() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn fontgen_should_reject_padding_larger_than_slot_glyph_size() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pitch` is never read
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct GlyphTable {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pitch: Vec<i32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:363:31
[INFO] [stdout]     |
[INFO] [stdout] 363 |     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout]     |     ------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OptError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 363 -     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stdout] 363 +     SlotGlyphSizeCannotBeZero(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.10s
[INFO] running `Command { std: "docker" "inspect" "42f01a2406deb649c9cc5c56038b92cde97835956f24a6cb5f27d38f660df84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f01a2406deb649c9cc5c56038b92cde97835956f24a6cb5f27d38f660df84c", kill_on_drop: false }`
[INFO] [stdout] 42f01a2406deb649c9cc5c56038b92cde97835956f24a6cb5f27d38f660df84c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b141508143ef0ed2df4650c639a784b86ec4e0605bea691d62a6ee1d673d71b1
[INFO] running `Command { std: "docker" "start" "-a" "b141508143ef0ed2df4650c639a784b86ec4e0605bea691d62a6ee1d673d71b1", kill_on_drop: false }`
[INFO] [stderr] warning: field `pitch` is never read
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct GlyphTable {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pitch: Vec<i32>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/main.rs:363:31
[INFO] [stderr]     |
[INFO] [stderr] 363 |     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stderr]     |     ------------------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `OptError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 363 -     SlotGlyphSizeCannotBeZero(usize),
[INFO] [stderr] 363 +     SlotGlyphSizeCannotBeZero(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/fontgen.rs:10:62
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn generate_a_font_sheet_from_a_ttf_file() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn generate_a_font_sheet_from_a_ttf_file() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/fontgen.rs:33:66
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn generate_a_font_sheet_that_does_not_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn generate_a_font_sheet_that_does_not_exist() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/fontgen.rs:50:82
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn fontgen_should_reject_padding_larger_than_slot_glyph_size() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn fontgen_should_reject_padding_larger_than_slot_glyph_size() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fontgen` (bin "fontgen" test) generated 2 warnings
[INFO] [stderr] warning: `fontgen` (bin "fontgen") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `fontgen` (test "fontgen") generated 3 warnings (run `cargo fix --test "fontgen"` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fontgen-a9a35de1b7160123)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fontgen.rs (/opt/rustwide/target/debug/deps/fontgen-f22b3618ec37a4ee)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fontgen_should_reject_padding_larger_than_slot_glyph_size ... ok
[INFO] [stdout] test generate_a_font_sheet_that_does_not_exist ... ok
[INFO] [stdout] test generate_a_font_sheet_from_a_ttf_file ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test fontgen`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- generate_a_font_sheet_from_a_ttf_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'generate_a_font_sheet_from_a_ttf_file' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-0.11.1/src/assert.rs:154:13:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-1
[INFO] [stdout] stderr=```Error: CouldNotCreateAtlasFile("FontMono.bmfa")
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/fontgen" "--input" "assets/FreeMono.ttf" "--output" "FontMono.png" "--padding" "6" "--slot-glyph-size" "128"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=``````
[INFO] [stdout] stderr=```Error: CouldNotCreateAtlasFile("FontMono.bmfa")
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5be04096d782 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5be04096d782 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5be04096d782 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5be04096d782 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5be040993ab3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5be040993ab3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5be04096a513 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5be04096a513 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5be04096d5d2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5be04096ee1c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5be04096ec72 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5be040934b14 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5be040934b14 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5be04096f7fb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5be04096f7fb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5be04096f5ca - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5be04096dc79 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5be04096f25d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5be040992360 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5be04093f5b8 - assert_cmd::assert::Assert::success::ha9bd1418fa43866c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-0.11.1/src/assert.rs:154:13
[INFO] [stdout]   20:     0x5be0408fa28b - fontgen::generate_a_font_sheet_from_a_ttf_file::h03ac90c37ae8a873
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/fontgen.rs:20:18
[INFO] [stdout]   21:     0x5be0408fa28b - fontgen::generate_a_font_sheet_from_a_ttf_file::{{closure}}::hafbb237de9b523e0
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/fontgen.rs:10:47
[INFO] [stdout]   22:     0x5be0408fa28b - core::ops::function::FnOnce::call_once::h16bf3d13026eff04
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5be04093a29b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5be04093a29b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5be04093948e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5be04093948e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5be04093948e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5be04093948e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5be04093948e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5be04093948e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5be04093948e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5be0408fd004 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5be0408fd004 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5be0409009da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5be0409009da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5be0409009da - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5be0409009da - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5be0409009da - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5be0409009da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5be0409009da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5be040972757 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5be040972757 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5be040972757 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x719639237aa4 - <unknown>
[INFO] [stdout]   45:     0x7196392c4a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     generate_a_font_sheet_from_a_ttf_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b141508143ef0ed2df4650c639a784b86ec4e0605bea691d62a6ee1d673d71b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b141508143ef0ed2df4650c639a784b86ec4e0605bea691d62a6ee1d673d71b1", kill_on_drop: false }`
[INFO] [stdout] b141508143ef0ed2df4650c639a784b86ec4e0605bea691d62a6ee1d673d71b1
