[INFO] fetching crate vtracer 0.4.0...
[INFO] testing vtracer-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vtracer 0.4.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate vtracer 0.4.0 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 vtracer 0.4.0
[INFO] finished tweaking crates.io crate vtracer 0.4.0
[INFO] tweaked toml for crates.io crate vtracer 0.4.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate vtracer 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] a7478c8877fa7b8ec8450a43392aa20edb00f76fb3aee547d6c7505d5418bf9b
[INFO] running `Command { std: "docker" "start" "-a" "a7478c8877fa7b8ec8450a43392aa20edb00f76fb3aee547d6c7505d5418bf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7478c8877fa7b8ec8450a43392aa20edb00f76fb3aee547d6c7505d5418bf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7478c8877fa7b8ec8450a43392aa20edb00f76fb3aee547d6c7505d5418bf9b", kill_on_drop: false }`
[INFO] [stdout] a7478c8877fa7b8ec8450a43392aa20edb00f76fb3aee547d6c7505d5418bf9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 93670850778c90eced951a000ef00627ff085ef9adf06aae745fa058456c9e06
[INFO] running `Command { std: "docker" "start" "-a" "93670850778c90eced951a000ef00627ff085ef9adf06aae745fa058456c9e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling roots v0.0.6
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[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 crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling flo_curves v0.3.1
[INFO] [stderr]    Compiling visioncortex v0.6.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[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 vtracer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]    --> src/converter.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "93670850778c90eced951a000ef00627ff085ef9adf06aae745fa058456c9e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93670850778c90eced951a000ef00627ff085ef9adf06aae745fa058456c9e06", kill_on_drop: false }`
[INFO] [stdout] 93670850778c90eced951a000ef00627ff085ef9adf06aae745fa058456c9e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 7687b8a7a24ece293202b7a821c21fd528201d0ec9e5903daf1ee3bd85e05481
[INFO] running `Command { std: "docker" "start" "-a" "7687b8a7a24ece293202b7a821c21fd528201d0ec9e5903daf1ee3bd85e05481", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vtracer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]    --> src/converter.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]    --> src/converter.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "7687b8a7a24ece293202b7a821c21fd528201d0ec9e5903daf1ee3bd85e05481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7687b8a7a24ece293202b7a821c21fd528201d0ec9e5903daf1ee3bd85e05481", kill_on_drop: false }`
[INFO] [stdout] 7687b8a7a24ece293202b7a821c21fd528201d0ec9e5903daf1ee3bd85e05481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] c54b9713b4d39e6ab29ae52a9bac6f1ac214368203fef99ba8213c75b5f9b4c8
[INFO] running `Command { std: "docker" "start" "-a" "c54b9713b4d39e6ab29ae52a9bac6f1ac214368203fef99ba8213c75b5f9b4c8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stderr]    --> src/converter.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Ok(file) => file.to_rgba(),
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vtracer` (lib) generated 1 warning
[INFO] [stderr] warning: `vtracer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vtracer-cbeca75f2ee601ab)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vtracer-35a231c134f65e8f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests vtracer
[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 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 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] running `Command { std: "docker" "inspect" "c54b9713b4d39e6ab29ae52a9bac6f1ac214368203fef99ba8213c75b5f9b4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54b9713b4d39e6ab29ae52a9bac6f1ac214368203fef99ba8213c75b5f9b4c8", kill_on_drop: false }`
[INFO] [stdout] c54b9713b4d39e6ab29ae52a9bac6f1ac214368203fef99ba8213c75b5f9b4c8