[INFO] cloning repository https://github.com/ArdusJax/dart-frog [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArdusJax/dart-frog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArdusJax%2Fdart-frog", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArdusJax%2Fdart-frog'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b232422671d4fde470d1c1b4418ef3c8b86d4264 [INFO] testing ArdusJax/dart-frog against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArdusJax%2Fdart-frog" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ArdusJax/dart-frog on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ArdusJax/dart-frog [INFO] finished tweaking git repo https://github.com/ArdusJax/dart-frog [INFO] tweaked toml for git repo https://github.com/ArdusJax/dart-frog written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ArdusJax/dart-frog already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38e0a706bb71b3736f61168c2a0e9f4ced60d6b8079e0e09ff95b2fcf3076fd0 [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" "38e0a706bb71b3736f61168c2a0e9f4ced60d6b8079e0e09ff95b2fcf3076fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38e0a706bb71b3736f61168c2a0e9f4ced60d6b8079e0e09ff95b2fcf3076fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38e0a706bb71b3736f61168c2a0e9f4ced60d6b8079e0e09ff95b2fcf3076fd0", kill_on_drop: false }` [INFO] [stdout] 38e0a706bb71b3736f61168c2a0e9f4ced60d6b8079e0e09ff95b2fcf3076fd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28eefcf7cdc3e7bd229c7be6f36e59dba6b056cac30e1b0154ce5ec8379a500a [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" "28eefcf7cdc3e7bd229c7be6f36e59dba6b056cac30e1b0154ce5ec8379a500a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling serde v1.0.78 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling unindent v0.1.3 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Compiling termios v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling lock_api v0.1.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling colored v1.6.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling yaml-rust v0.4.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.4 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.78 [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] Compiling serde_json v1.0.27 [INFO] [stderr] Compiling dart-frog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/project/mod.rs:29:56 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn parse_plan(path: &String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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/project/mod.rs:41:62 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn resolve_requirements(&self) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/project/mod.rs:61:49 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn execute(&self) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:35:44 [INFO] [stdout] | [INFO] [stdout] 35 | fn run(path: String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dart-frog` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "28eefcf7cdc3e7bd229c7be6f36e59dba6b056cac30e1b0154ce5ec8379a500a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28eefcf7cdc3e7bd229c7be6f36e59dba6b056cac30e1b0154ce5ec8379a500a", kill_on_drop: false }` [INFO] [stdout] 28eefcf7cdc3e7bd229c7be6f36e59dba6b056cac30e1b0154ce5ec8379a500a