[INFO] cloning repository https://github.com/marceljay/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marceljay/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1acd6c9d371c6a9f96bd82a9a7eccca17bbdb56c [INFO] checking marceljay/rust_playground against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marceljay/rust_playground on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marceljay/rust_playground [INFO] finished tweaking git repo https://github.com/marceljay/rust_playground [INFO] tweaked toml for git repo https://github.com/marceljay/rust_playground written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/marceljay/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06fdea3629446e3336b84f5b0d76d9601fb7e63050f0e7d7924df478a3e243e1 [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" "06fdea3629446e3336b84f5b0d76d9601fb7e63050f0e7d7924df478a3e243e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06fdea3629446e3336b84f5b0d76d9601fb7e63050f0e7d7924df478a3e243e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06fdea3629446e3336b84f5b0d76d9601fb7e63050f0e7d7924df478a3e243e1", kill_on_drop: false }` [INFO] [stdout] 06fdea3629446e3336b84f5b0d76d9601fb7e63050f0e7d7924df478a3e243e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b44635f159b4b057ee3329019d524764ea61edd634fc00e787a6befc5812e6bc [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" "b44635f159b4b057ee3329019d524764ea61edd634fc00e787a6befc5812e6bc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) [INFO] [stderr] Checking learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/structs.rs:138:23 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", p.summarize()); [INFO] [stdout] | ^^^^^^^^^ multiple `summarize` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in an impl of the trait `BasicInfo` for the type `Person` [INFO] [stdout] --> src/structs.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in an impl of the trait `SubTrait` for the type `Person` [INFO] [stdout] --> src/structs.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", BasicInfo::summarize(&p)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", SubTrait::summarize(&p)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/structs.rs:138:23 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", p.summarize()); [INFO] [stdout] | ^^^^^^^^^ multiple `summarize` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in an impl of the trait `BasicInfo` for the type `Person` [INFO] [stdout] --> src/structs.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in an impl of the trait `SubTrait` for the type `Person` [INFO] [stdout] --> src/structs.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", BasicInfo::summarize(&p)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 138 | println!(" {}", SubTrait::summarize(&p)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `learning_rust` [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b44635f159b4b057ee3329019d524764ea61edd634fc00e787a6befc5812e6bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b44635f159b4b057ee3329019d524764ea61edd634fc00e787a6befc5812e6bc", kill_on_drop: false }` [INFO] [stdout] b44635f159b4b057ee3329019d524764ea61edd634fc00e787a6befc5812e6bc