[INFO] fetching crate cat_engine 1.0.0-alpha7...
[INFO] testing cat_engine-1.0.0-alpha7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate cat_engine 1.0.0-alpha7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cat_engine 1.0.0-alpha7 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cat_engine 1.0.0-alpha7
[INFO] finished tweaking crates.io crate cat_engine 1.0.0-alpha7
[INFO] tweaked toml for crates.io crate cat_engine 1.0.0-alpha7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cat_engine 1.0.0-alpha7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab4c9a6f54a3a05d03febc282cbee2f78b393d25dfd797d5d6523e910342ea5d
[INFO] running `Command { std: "docker" "start" "-a" "ab4c9a6f54a3a05d03febc282cbee2f78b393d25dfd797d5d6523e910342ea5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4c9a6f54a3a05d03febc282cbee2f78b393d25dfd797d5d6523e910342ea5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4c9a6f54a3a05d03febc282cbee2f78b393d25dfd797d5d6523e910342ea5d", kill_on_drop: false }`
[INFO] [stdout] ab4c9a6f54a3a05d03febc282cbee2f78b393d25dfd797d5d6523e910342ea5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9917b988f5017a180c425a6b02edad2774de61dda3f5b7234f00e22a66a9510
[INFO] running `Command { std: "docker" "start" "-a" "b9917b988f5017a180c425a6b02edad2774de61dda3f5b7234f00e22a66a9510", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling cat_engine_basement v0.0.0-alpha7
[INFO] [stderr]    Compiling cat_engine v1.0.0-alpha7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `Command { std: "docker" "inspect" "b9917b988f5017a180c425a6b02edad2774de61dda3f5b7234f00e22a66a9510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9917b988f5017a180c425a6b02edad2774de61dda3f5b7234f00e22a66a9510", kill_on_drop: false }`
[INFO] [stdout] b9917b988f5017a180c425a6b02edad2774de61dda3f5b7234f00e22a66a9510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e6e1f548e9d894a7fc7a6a73d4b36d3eef0bf6f180354c5255f7158e6b5234
[INFO] running `Command { std: "docker" "start" "-a" "a0e6e1f548e9d894a7fc7a6a73d4b36d3eef0bf6f180354c5255f7158e6b5234", kill_on_drop: false }`
[INFO] [stderr]    Compiling cat_engine v1.0.0-alpha7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a0e6e1f548e9d894a7fc7a6a73d4b36d3eef0bf6f180354c5255f7158e6b5234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e6e1f548e9d894a7fc7a6a73d4b36d3eef0bf6f180354c5255f7158e6b5234", kill_on_drop: false }`
[INFO] [stdout] a0e6e1f548e9d894a7fc7a6a73d4b36d3eef0bf6f180354c5255f7158e6b5234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09a38c04c09528d2128e32937b6faaf8f552649f429e2040608e05567ba877b4
[INFO] running `Command { std: "docker" "start" "-a" "09a38c04c09528d2128e32937b6faaf8f552649f429e2040608e05567ba877b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cat_engine-11d0ff83ee4a04c5)
[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]    Doc-tests cat_engine
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/text/glyph_cache.rs - text::glyph_cache::GlyphCache::insert_str (line 120) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/text/glyph_cache.rs - text::glyph_cache::GlyphCache::insert_str (line 120) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `alphabet` in this scope
[INFO] [stdout]  --> src/text/glyph_cache.rs:121:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | for character in alphabet.chars(){
[INFO] [stdout]   |                  ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]  --> src/text/glyph_cache.rs:122:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_text_glyph_cache_rs_120_0() {
[INFO] [stdout]   |                                         ------------------------------------------- this function can't have a `self` parameter
[INFO] [stdout] 3 | for character in alphabet.chars(){
[INFO] [stdout] 4 |     self.insert_char(character,font,scale);
[INFO] [stdout]   |     ^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `font` in this scope
[INFO] [stdout]  --> src/text/glyph_cache.rs:122:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self.insert_char(character,font,scale);
[INFO] [stdout]   |                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `scale` in this scope
[INFO] [stdout]  --> src/text/glyph_cache.rs:122:37
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self.insert_char(character,font,scale);
[INFO] [stdout]   |                                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0424, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0424`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/text/glyph_cache.rs - text::glyph_cache::GlyphCache::insert_str (line 120)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "09a38c04c09528d2128e32937b6faaf8f552649f429e2040608e05567ba877b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a38c04c09528d2128e32937b6faaf8f552649f429e2040608e05567ba877b4", kill_on_drop: false }`
[INFO] [stdout] 09a38c04c09528d2128e32937b6faaf8f552649f429e2040608e05567ba877b4