[INFO] crate pngeq 0.1.0 is already in cache
[INFO] testing pngeq-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate pngeq 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pngeq 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pngeq 0.1.0
[INFO] finished tweaking crates.io crate pngeq 0.1.0
[INFO] tweaked toml for crates.io crate pngeq 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1b68e2a1b37be998af6a91ec5a96709aac78ef3c0d7f00e4e3fe41adc57a1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce1b68e2a1b37be998af6a91ec5a96709aac78ef3c0d7f00e4e3fe41adc57a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1b68e2a1b37be998af6a91ec5a96709aac78ef3c0d7f00e4e3fe41adc57a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1b68e2a1b37be998af6a91ec5a96709aac78ef3c0d7f00e4e3fe41adc57a1d", kill_on_drop: false }`
[INFO] [stdout] ce1b68e2a1b37be998af6a91ec5a96709aac78ef3c0d7f00e4e3fe41adc57a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5106f28b024bd2bc3b39cd133d74086387f963a655a53f65b783adc86af6088a
[INFO] running `Command { std: "docker" "start" "-a" "5106f28b024bd2bc3b39cd133d74086387f963a655a53f65b783adc86af6088a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lodepng v0.8.1
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling exoquant v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rgb v0.8.20
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling pngeq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let ditherer: Box<ditherer::Ditherer> = match matches.value_of("ditherer")
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ditherer::Ditherer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let (optimizer, opt_level): (Box<Optimizer>, u32) = match matches.value_of("optimization level")
[INFO] [stdout]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Optimizer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.47s
[INFO] running `Command { std: "docker" "inspect" "5106f28b024bd2bc3b39cd133d74086387f963a655a53f65b783adc86af6088a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5106f28b024bd2bc3b39cd133d74086387f963a655a53f65b783adc86af6088a", kill_on_drop: false }`
[INFO] [stdout] 5106f28b024bd2bc3b39cd133d74086387f963a655a53f65b783adc86af6088a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3b2ad862b7790365ad0cf34a27cf7b741a2585eda2147d76ba32d90da0d2493
[INFO] running `Command { std: "docker" "start" "-a" "a3b2ad862b7790365ad0cf34a27cf7b741a2585eda2147d76ba32d90da0d2493", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngeq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let ditherer: Box<ditherer::Ditherer> = match matches.value_of("ditherer")
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ditherer::Ditherer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let (optimizer, opt_level): (Box<Optimizer>, u32) = match matches.value_of("optimization level")
[INFO] [stdout]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Optimizer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "a3b2ad862b7790365ad0cf34a27cf7b741a2585eda2147d76ba32d90da0d2493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b2ad862b7790365ad0cf34a27cf7b741a2585eda2147d76ba32d90da0d2493", kill_on_drop: false }`
[INFO] [stdout] a3b2ad862b7790365ad0cf34a27cf7b741a2585eda2147d76ba32d90da0d2493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 047b70d55fad6e9b473458c450df31b3ff87852b633fe6f3a51d835e5adb4280
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "047b70d55fad6e9b473458c450df31b3ff87852b633fe6f3a51d835e5adb4280", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let ditherer: Box<ditherer::Ditherer> = match matches.value_of("ditherer")
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ditherer::Ditherer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let (optimizer, opt_level): (Box<Optimizer>, u32) = match matches.value_of("optimization level")
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Optimizer`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pngeq-98a09c29cba88a20
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "047b70d55fad6e9b473458c450df31b3ff87852b633fe6f3a51d835e5adb4280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047b70d55fad6e9b473458c450df31b3ff87852b633fe6f3a51d835e5adb4280", kill_on_drop: false }`
[INFO] [stdout] 047b70d55fad6e9b473458c450df31b3ff87852b633fe6f3a51d835e5adb4280