[INFO] fetching crate pngeq 0.1.0... [INFO] testing pngeq-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate pngeq 0.1.0 into /workspace/builds/worker-70/source [INFO] validating manifest of crates.io crate pngeq 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-70/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 292d6832895d4e3a3ab3799f7727a03e12fba90b4d445d0778feb514115cd747 [INFO] running `Command { std: "docker" "start" "-a" "292d6832895d4e3a3ab3799f7727a03e12fba90b4d445d0778feb514115cd747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "292d6832895d4e3a3ab3799f7727a03e12fba90b4d445d0778feb514115cd747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "292d6832895d4e3a3ab3799f7727a03e12fba90b4d445d0778feb514115cd747", kill_on_drop: false }` [INFO] [stdout] 292d6832895d4e3a3ab3799f7727a03e12fba90b4d445d0778feb514115cd747 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2db387df29326b82f3faa50fc1b306ed0411fb1595828da9ea16c78b2d0c89d [INFO] running `Command { std: "docker" "start" "-a" "e2db387df29326b82f3faa50fc1b306ed0411fb1595828da9ea16c78b2d0c89d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling bytemuck v1.7.2 [INFO] [stderr] Compiling lodepng v0.8.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling vec_map v0.8.2 [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 textwrap v0.11.0 [INFO] [stderr] Compiling rgb v0.8.27 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [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 = 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, u32) = match matches.value_of("optimization level") [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Optimizer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.05s [INFO] running `Command { std: "docker" "inspect" "e2db387df29326b82f3faa50fc1b306ed0411fb1595828da9ea16c78b2d0c89d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2db387df29326b82f3faa50fc1b306ed0411fb1595828da9ea16c78b2d0c89d", kill_on_drop: false }` [INFO] [stdout] e2db387df29326b82f3faa50fc1b306ed0411fb1595828da9ea16c78b2d0c89d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02050804ba466bfd74cfd00e0092dc75e292318c001d9070a8f7c7b201ea8d05 [INFO] running `Command { std: "docker" "start" "-a" "02050804ba466bfd74cfd00e0092dc75e292318c001d9070a8f7c7b201ea8d05", 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 = 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, u32) = match matches.value_of("optimization level") [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Optimizer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "02050804ba466bfd74cfd00e0092dc75e292318c001d9070a8f7c7b201ea8d05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02050804ba466bfd74cfd00e0092dc75e292318c001d9070a8f7c7b201ea8d05", kill_on_drop: false }` [INFO] [stdout] 02050804ba466bfd74cfd00e0092dc75e292318c001d9070a8f7c7b201ea8d05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4ac5ac50a9da041a884e2cab8d4e67f13955b0de498cab59803f9e18af6bd2ac [INFO] running `Command { std: "docker" "start" "-a" "4ac5ac50a9da041a884e2cab8d4e67f13955b0de498cab59803f9e18af6bd2ac", 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 = 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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, u32) = match matches.value_of("optimization level") [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Optimizer` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `pngeq` (bin "pngeq" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pngeq-410e46a5a4de8a53) [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" "4ac5ac50a9da041a884e2cab8d4e67f13955b0de498cab59803f9e18af6bd2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ac5ac50a9da041a884e2cab8d4e67f13955b0de498cab59803f9e18af6bd2ac", kill_on_drop: false }` [INFO] [stdout] 4ac5ac50a9da041a884e2cab8d4e67f13955b0de498cab59803f9e18af6bd2ac