[INFO] fetching crate pngeq 0.1.0... [INFO] testing pngeq-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate pngeq 0.1.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate pngeq 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 811d46e9eeaada9c56130c97e9200c36f368fd363d082a854e55568e370b7636 [INFO] running `Command { std: "docker" "start" "-a" "811d46e9eeaada9c56130c97e9200c36f368fd363d082a854e55568e370b7636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "811d46e9eeaada9c56130c97e9200c36f368fd363d082a854e55568e370b7636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "811d46e9eeaada9c56130c97e9200c36f368fd363d082a854e55568e370b7636", kill_on_drop: false }` [INFO] [stdout] 811d46e9eeaada9c56130c97e9200c36f368fd363d082a854e55568e370b7636 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63016d9b03f2ecab6857e03e8698e647dd27459249c35e330f361caae5bae3d8 [INFO] running `Command { std: "docker" "start" "-a" "63016d9b03f2ecab6857e03e8698e647dd27459249c35e330f361caae5bae3d8", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling lodepng v0.8.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling c_vec v1.0.12 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling exoquant v0.2.0 [INFO] [stderr] Compiling textwrap v0.11.0 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.40s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "63016d9b03f2ecab6857e03e8698e647dd27459249c35e330f361caae5bae3d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63016d9b03f2ecab6857e03e8698e647dd27459249c35e330f361caae5bae3d8", kill_on_drop: false }` [INFO] [stdout] 63016d9b03f2ecab6857e03e8698e647dd27459249c35e330f361caae5bae3d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6214dac9b488ac749432aeb3104179092de28d309bc6d2ac4b0a48b79acba4f [INFO] running `Command { std: "docker" "start" "-a" "d6214dac9b488ac749432aeb3104179092de28d309bc6d2ac4b0a48b79acba4f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d6214dac9b488ac749432aeb3104179092de28d309bc6d2ac4b0a48b79acba4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6214dac9b488ac749432aeb3104179092de28d309bc6d2ac4b0a48b79acba4f", kill_on_drop: false }` [INFO] [stdout] d6214dac9b488ac749432aeb3104179092de28d309bc6d2ac4b0a48b79acba4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b8fd7ab7731379347809d85602e6c6f2bf6338bf75c5a1e9d8b3a2098731ec2 [INFO] running `Command { std: "docker" "start" "-a" "3b8fd7ab7731379347809d85602e6c6f2bf6338bf75c5a1e9d8b3a2098731ec2", 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pngeq-cc54fc1e26bc9e00) [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" "3b8fd7ab7731379347809d85602e6c6f2bf6338bf75c5a1e9d8b3a2098731ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8fd7ab7731379347809d85602e6c6f2bf6338bf75c5a1e9d8b3a2098731ec2", kill_on_drop: false }` [INFO] [stdout] 3b8fd7ab7731379347809d85602e6c6f2bf6338bf75c5a1e9d8b3a2098731ec2