[INFO] fetching crate jpeg-encoder 0.3.0...
[INFO] testing jpeg-encoder-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jpeg-encoder 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jpeg-encoder 0.3.0 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 jpeg-encoder 0.3.0
[INFO] finished tweaking crates.io crate jpeg-encoder 0.3.0
[INFO] tweaked toml for crates.io crate jpeg-encoder 0.3.0 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] 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] 100ac80dd8b22c7a701d9c2c51c9a8e8910dc57564bcafd1a7e4e78b45f25009
[INFO] running `Command { std: "docker" "start" "-a" "100ac80dd8b22c7a701d9c2c51c9a8e8910dc57564bcafd1a7e4e78b45f25009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "100ac80dd8b22c7a701d9c2c51c9a8e8910dc57564bcafd1a7e4e78b45f25009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100ac80dd8b22c7a701d9c2c51c9a8e8910dc57564bcafd1a7e4e78b45f25009", kill_on_drop: false }`
[INFO] [stdout] 100ac80dd8b22c7a701d9c2c51c9a8e8910dc57564bcafd1a7e4e78b45f25009
[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] fa0c611950ba3b2aa74ec5ef2a7d3a3d68d56c75395a8725e7107a56365d2101
[INFO] running `Command { std: "docker" "start" "-a" "fa0c611950ba3b2aa74ec5ef2a7d3a3d68d56c75395a8725e7107a56365d2101", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpeg-encoder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "fa0c611950ba3b2aa74ec5ef2a7d3a3d68d56c75395a8725e7107a56365d2101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0c611950ba3b2aa74ec5ef2a7d3a3d68d56c75395a8725e7107a56365d2101", kill_on_drop: false }`
[INFO] [stdout] fa0c611950ba3b2aa74ec5ef2a7d3a3d68d56c75395a8725e7107a56365d2101
[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] 0d40406d09972b202ba61de5428f51e3bc7fd6439c4e271469a0f898689d6025
[INFO] running `Command { std: "docker" "start" "-a" "0d40406d09972b202ba61de5428f51e3bc7fd6439c4e271469a0f898689d6025", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling jpeg-encoder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 46.01s
[INFO] running `Command { std: "docker" "inspect" "0d40406d09972b202ba61de5428f51e3bc7fd6439c4e271469a0f898689d6025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d40406d09972b202ba61de5428f51e3bc7fd6439c4e271469a0f898689d6025", kill_on_drop: false }`
[INFO] [stdout] 0d40406d09972b202ba61de5428f51e3bc7fd6439c4e271469a0f898689d6025
[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] 3837929fa2ade186683823e7e43faffbfa22ca8546e7e89fac40fbf7261e06ee
[INFO] running `Command { std: "docker" "start" "-a" "3837929fa2ade186683823e7e43faffbfa22ca8546e7e89fac40fbf7261e06ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jpeg_encoder-f722672fa5a10c83)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test image_buffer::tests::test_rgb_to_ycbcr ... ok
[INFO] [stdout] test fdct::tests::test_fdct_libjpeg ... ok
[INFO] [stdout] test encoder::tests::sampling_factors ... ok
[INFO] [stdout] test quantization::tests::test_new_100 ... ok
[INFO] [stdout] test quantization::tests::test_new_100_quantize ... ok
[INFO] [stdout] test encoder::tests::test_set_progressive ... ok
[INFO] [stdout] test encoder::tests::test_get_num_bits ... ok
[INFO] [stdout] test tests::test_gray_100 ... ok
[INFO] [stdout] test tests::test_app_segment ... ok
[INFO] [stdout] test tests::test_rgb_optimized_missing_table_frequency ... ok
[INFO] [stdout] test tests::test_rgb_1_1 ... ok
[INFO] [stdout] test tests::test_restart_interval ... ok
[INFO] [stdout] test tests::test_restart_interval_4_1 ... ok
[INFO] [stdout] test tests::test_rgb_optimized ... ok
[INFO] [stdout] test tests::test_rgb_4_1 ... ok
[INFO] [stdout] test tests::test_rgb_100 ... ok
[INFO] [stdout] test tests::test_rgb_1_4 ... ok
[INFO] [stdout] test tests::test_rgb_80 ... ok
[INFO] [stdout] test tests::test_restart_interval_progressive ... ok
[INFO] [stdout] test tests::test_rgb_2_2 ... ok
[INFO] [stdout] test tests::test_rgb_2_1 ... ok
[INFO] [stdout] test tests::test_rgb_custom_q_table ... ok
[INFO] [stdout] test tests::test_rgb_optimized_progressive ... ok
[INFO] [stdout] test tests::test_icc_profile ... ok
[INFO] [stdout] test tests::test_rgb_progressive ... ok
[INFO] [stdout] test tests::test_cmyk ... ok
[INFO] [stdout] test tests::test_ycck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jpeg-encoder
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 4) - compile ... ok
[INFO] [stdout] test src/image_buffer.rs - image_buffer::ImageBuffer (line 48) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3837929fa2ade186683823e7e43faffbfa22ca8546e7e89fac40fbf7261e06ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3837929fa2ade186683823e7e43faffbfa22ca8546e7e89fac40fbf7261e06ee", kill_on_drop: false }`
[INFO] [stdout] 3837929fa2ade186683823e7e43faffbfa22ca8546e7e89fac40fbf7261e06ee