[INFO] cloning repository https://github.com/blakemr/learningrust_multiws [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakemr/learningrust_multiws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakemr%2Flearningrust_multiws", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakemr%2Flearningrust_multiws'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2b9b7b9b4948467c8389060230b4686a85d9c1e [INFO] checking blakemr/learningrust_multiws against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakemr%2Flearningrust_multiws" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blakemr/learningrust_multiws on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blakemr/learningrust_multiws [INFO] finished tweaking git repo https://github.com/blakemr/learningrust_multiws [INFO] tweaked toml for git repo https://github.com/blakemr/learningrust_multiws written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/blakemr/learningrust_multiws already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fe4162cecda95e84366d16e32a3ad5a4c90cffd6508c46c2c6d898fffee30fd [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" "8fe4162cecda95e84366d16e32a3ad5a4c90cffd6508c46c2c6d898fffee30fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fe4162cecda95e84366d16e32a3ad5a4c90cffd6508c46c2c6d898fffee30fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fe4162cecda95e84366d16e32a3ad5a4c90cffd6508c46c2c6d898fffee30fd", kill_on_drop: false }` [INFO] [stdout] 8fe4162cecda95e84366d16e32a3ad5a4c90cffd6508c46c2c6d898fffee30fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 376595ca8df39fe470113033b94e19b4bfa8927647aaad661f087a8a451702ed [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" "376595ca8df39fe470113033b94e19b4bfa8927647aaad661f087a8a451702ed", kill_on_drop: false }` [INFO] [stderr] Checking hello_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0411]: expected trait, found self type `Self` [INFO] [stdout] --> src/lib.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^ `Self` is only available in impls, traits, and type definitions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0404]: expected trait, found type parameter `F` [INFO] [stdout] --> src/lib.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | fn call_box(self: Box) { [INFO] [stdout] | ^ help: a trait with a similar name exists: `Fn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0404, E0411. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0404`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_server` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0411]: expected trait, found self type `Self` [INFO] [stdout] --> src/lib.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^ `Self` is only available in impls, traits, and type definitions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0404]: expected trait, found type parameter `F` [INFO] [stdout] --> src/lib.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | fn call_box(self: Box) { [INFO] [stdout] | ^ help: a trait with a similar name exists: `Fn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0404, E0411. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0404`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "376595ca8df39fe470113033b94e19b4bfa8927647aaad661f087a8a451702ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "376595ca8df39fe470113033b94e19b4bfa8927647aaad661f087a8a451702ed", kill_on_drop: false }` [INFO] [stdout] 376595ca8df39fe470113033b94e19b4bfa8927647aaad661f087a8a451702ed