[INFO] cloning repository https://github.com/julioolvr/rust-mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julioolvr/rust-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frust-mandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frust-mandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d47d7a4d57e174e72e05adb695753338889c4ffc [INFO] checking julioolvr/rust-mandelbrot against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frust-mandelbrot" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/julioolvr/rust-mandelbrot on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/julioolvr/rust-mandelbrot [INFO] finished tweaking git repo https://github.com/julioolvr/rust-mandelbrot [INFO] tweaked toml for git repo https://github.com/julioolvr/rust-mandelbrot written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/julioolvr/rust-mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b86a787b0843e10ae2a259618587363ca912575f5210c96c56229c86f4734acb [INFO] running `Command { std: "docker" "start" "-a" "b86a787b0843e10ae2a259618587363ca912575f5210c96c56229c86f4734acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b86a787b0843e10ae2a259618587363ca912575f5210c96c56229c86f4734acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86a787b0843e10ae2a259618587363ca912575f5210c96c56229c86f4734acb", kill_on_drop: false }` [INFO] [stdout] b86a787b0843e10ae2a259618587363ca912575f5210c96c56229c86f4734acb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fd0d32b8d8373556822f4bb3ebbd0d6e8bf9ff59fdd529aa60eeca2837a8b30 [INFO] running `Command { std: "docker" "start" "-a" "1fd0d32b8d8373556822f4bb3ebbd0d6e8bf9ff59fdd529aa60eeca2837a8b30", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.92s [INFO] running `Command { std: "docker" "inspect" "1fd0d32b8d8373556822f4bb3ebbd0d6e8bf9ff59fdd529aa60eeca2837a8b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fd0d32b8d8373556822f4bb3ebbd0d6e8bf9ff59fdd529aa60eeca2837a8b30", kill_on_drop: false }` [INFO] [stdout] 1fd0d32b8d8373556822f4bb3ebbd0d6e8bf9ff59fdd529aa60eeca2837a8b30