[INFO] fetching crate txtpic 1.2.4...
[INFO] testing txtpic-1.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate txtpic 1.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate txtpic 1.2.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate txtpic 1.2.4
[INFO] finished tweaking crates.io crate txtpic 1.2.4
[INFO] tweaked toml for crates.io crate txtpic 1.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded bmp v0.2.0
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63cb5aed2e135dcf6d91e097274845760ac7f1d8c5c0f649930dab58fb8e7cf0
[INFO] running `Command { std: "docker" "start" "-a" "63cb5aed2e135dcf6d91e097274845760ac7f1d8c5c0f649930dab58fb8e7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63cb5aed2e135dcf6d91e097274845760ac7f1d8c5c0f649930dab58fb8e7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cb5aed2e135dcf6d91e097274845760ac7f1d8c5c0f649930dab58fb8e7cf0", kill_on_drop: false }`
[INFO] [stdout] 63cb5aed2e135dcf6d91e097274845760ac7f1d8c5c0f649930dab58fb8e7cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 730572dccc5e8a58ae8416f3c1081d9a2f31df941e4ef2bc0554d06bfbae50e3
[INFO] running `Command { std: "docker" "start" "-a" "730572dccc5e8a58ae8416f3c1081d9a2f31df941e4ef2bc0554d06bfbae50e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling stb_truetype v0.2.8
[INFO] [stderr]    Compiling bmp v0.2.0
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rusttype v0.2.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling txtpic v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `Command { std: "docker" "inspect" "730572dccc5e8a58ae8416f3c1081d9a2f31df941e4ef2bc0554d06bfbae50e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730572dccc5e8a58ae8416f3c1081d9a2f31df941e4ef2bc0554d06bfbae50e3", kill_on_drop: false }`
[INFO] [stdout] 730572dccc5e8a58ae8416f3c1081d9a2f31df941e4ef2bc0554d06bfbae50e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48cb6003d12f01d4782cc2ade7df569e5df28d2a0bc968901e240b84477a660e
[INFO] running `Command { std: "docker" "start" "-a" "48cb6003d12f01d4782cc2ade7df569e5df28d2a0bc968901e240b84477a660e", kill_on_drop: false }`
[INFO] [stderr]    Compiling txtpic v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "48cb6003d12f01d4782cc2ade7df569e5df28d2a0bc968901e240b84477a660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cb6003d12f01d4782cc2ade7df569e5df28d2a0bc968901e240b84477a660e", kill_on_drop: false }`
[INFO] [stdout] 48cb6003d12f01d4782cc2ade7df569e5df28d2a0bc968901e240b84477a660e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 938c463171839eb320f317f83f0947f9ee2f98a4aa99970985ea7d3cd8b9b45e
[INFO] running `Command { std: "docker" "start" "-a" "938c463171839eb320f317f83f0947f9ee2f98a4aa99970985ea7d3cd8b9b45e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/txtpic_lib-78ce2e2476b07f14)
[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 unittests (/opt/rustwide/target/debug/deps/txtpic-6ef68859b7bd55e6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests txtpic_lib
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/text_image/text_image.rs - text_image::text_image::TextImage::set_char (line 107) ... ok
[INFO] [stdout] test src/character_set/character_set.rs - character_set::character_set::CharacterSet::invert (line 88) ... ok
[INFO] [stdout] test src/character_set/character_set.rs - character_set::character_set::CharacterSet::from (line 42) ... ok
[INFO] [stdout] test src/character_set/calculate_character_brightness.rs - character_set::calculate_character_brightness::calculate_character_brightness (line 12) ... ok
[INFO] [stdout] test src/character_set/character_set.rs - character_set::character_set::CharacterSet::get (line 59) ... ok
[INFO] [stdout] test src/character_set/character_set.rs - character_set::character_set::CharacterSet::new (line 16) ... ok
[INFO] [stdout] test src/text_image/image_to_text.rs - text_image::image_to_text::image_to_text (line 11) ... ok
[INFO] [stdout] test src/text_image/text_image.rs - text_image::text_image::TextImage::from (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "938c463171839eb320f317f83f0947f9ee2f98a4aa99970985ea7d3cd8b9b45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938c463171839eb320f317f83f0947f9ee2f98a4aa99970985ea7d3cd8b9b45e", kill_on_drop: false }`
[INFO] [stdout] 938c463171839eb320f317f83f0947f9ee2f98a4aa99970985ea7d3cd8b9b45e