[INFO] cloning repository https://github.com/hemangandhi/ascii-cam [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemangandhi/ascii-cam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Fascii-cam", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Fascii-cam'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25b998ed9f1c0573b08f3e43da6fb06eb4a6699f [INFO] checking hemangandhi/ascii-cam against master#fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 for pr-120361 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Fascii-cam" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hemangandhi/ascii-cam on toolchain fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hemangandhi/ascii-cam [INFO] finished tweaking git repo https://github.com/hemangandhi/ascii-cam [INFO] tweaked toml for git repo https://github.com/hemangandhi/ascii-cam written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hemangandhi/ascii-cam already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking hemangandhi/ascii-cam against try#e35e259478581c01033b8da67214c0d376859a32 for pr-120361 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Fascii-cam" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hemangandhi/ascii-cam on toolchain e35e259478581c01033b8da67214c0d376859a32 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hemangandhi/ascii-cam [INFO] finished tweaking git repo https://github.com/hemangandhi/ascii-cam [INFO] tweaked toml for git repo https://github.com/hemangandhi/ascii-cam written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hemangandhi/ascii-cam already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-derive v0.2.0 [INFO] [stderr] Downloaded rscam v0.5.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f6126496cc6d32ee2b1835cd8f8731ad5e3145dd1bf0d6bd76ecb58a76aac96 [INFO] running `Command { std: "docker" "start" "-a" "0f6126496cc6d32ee2b1835cd8f8731ad5e3145dd1bf0d6bd76ecb58a76aac96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f6126496cc6d32ee2b1835cd8f8731ad5e3145dd1bf0d6bd76ecb58a76aac96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6126496cc6d32ee2b1835cd8f8731ad5e3145dd1bf0d6bd76ecb58a76aac96", kill_on_drop: false }` [INFO] [stdout] 0f6126496cc6d32ee2b1835cd8f8731ad5e3145dd1bf0d6bd76ecb58a76aac96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94bdd12229c8098e5b8c1f7860b315bb81ea6f1841712cfb84e08438fb7f2787 [INFO] running `Command { std: "docker" "start" "-a" "94bdd12229c8098e5b8c1f7860b315bb81ea6f1841712cfb84e08438fb7f2787", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking ascii-cam v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/filters.rs:21:41 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = dyn Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/filters.rs:21:41 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = dyn Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `carl2` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let carl2 = & *(filters::gaussian_blur(7.0)); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_carl2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `carl2` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let carl2 = & *(filters::gaussian_blur(7.0)); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_carl2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/filters.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stdout] --> src/filters.rs:21:70 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stdout] --> src/filters.rs:21:114 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 21 - pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] 21 + pub type ImageFilter

= Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/filters.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stdout] --> src/filters.rs:21:70 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] help: use fully disambiguated paths (i.e., `::Assoc`) to refer to associated types in type aliases [INFO] [stdout] --> src/filters.rs:21:114 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 21 - pub type ImageFilter = Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] 21 + pub type ImageFilter

= Fn(image::ImageBuffer>) -> image::ImageBuffer>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "94bdd12229c8098e5b8c1f7860b315bb81ea6f1841712cfb84e08438fb7f2787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94bdd12229c8098e5b8c1f7860b315bb81ea6f1841712cfb84e08438fb7f2787", kill_on_drop: false }` [INFO] [stdout] 94bdd12229c8098e5b8c1f7860b315bb81ea6f1841712cfb84e08438fb7f2787