[INFO] cloning repository https://github.com/Vi-Sri/rust-design-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vi-Sri/rust-design-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVi-Sri%2Frust-design-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVi-Sri%2Frust-design-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 047758b521d737863121f8f6975bc198b9e77333
[INFO] checking Vi-Sri/rust-design-patterns against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVi-Sri%2Frust-design-patterns" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vi-Sri/rust-design-patterns on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vi-Sri/rust-design-patterns
[INFO] finished tweaking git repo https://github.com/Vi-Sri/rust-design-patterns
[INFO] tweaked toml for git repo https://github.com/Vi-Sri/rust-design-patterns written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Vi-Sri/rust-design-patterns 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8940433c67f46ebe86bb655dd4c29a7605f472590721a360aa353b6557acec68
[INFO] running `Command { std: "docker" "start" "-a" "8940433c67f46ebe86bb655dd4c29a7605f472590721a360aa353b6557acec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8940433c67f46ebe86bb655dd4c29a7605f472590721a360aa353b6557acec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8940433c67f46ebe86bb655dd4c29a7605f472590721a360aa353b6557acec68", kill_on_drop: false }`
[INFO] [stdout] 8940433c67f46ebe86bb655dd4c29a7605f472590721a360aa353b6557acec68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8bf79b53f3f804280dac797034ed00eac7cce4883c1ac1829aecec5df8770b5
[INFO] running `Command { std: "docker" "start" "-a" "f8bf79b53f3f804280dac797034ed00eac7cce4883c1ac1829aecec5df8770b5", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-design-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read behavioral/strategy.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-design-patterns` (bin "strategy" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> creational/builder.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn new(builder: Box<Builder>) -> Director {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn new(builder: Box<dyn Builder>) -> Director {
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> creational/builder.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn new(builder: Box<Builder>) -> Director {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn new(builder: Box<dyn Builder>) -> Director {
[INFO] [stdout]     |                         +++
[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] [stdout] warning: method `current` is never used
[INFO] [stdout]  --> behavioral/iterator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Iterator<T> {
[INFO] [stdout]   |       -------- method in this trait
[INFO] [stdout] 5 |     fn next(&mut self) -> Option<T>;
[INFO] [stdout] 6 |     fn current(&self) -> Option<T>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current` is never used
[INFO] [stdout]  --> behavioral/iterator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Iterator<T> {
[INFO] [stdout]   |       -------- method in this trait
[INFO] [stdout] 5 |     fn next(&mut self) -> Option<T>;
[INFO] [stdout] 6 |     fn current(&self) -> Option<T>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8bf79b53f3f804280dac797034ed00eac7cce4883c1ac1829aecec5df8770b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bf79b53f3f804280dac797034ed00eac7cce4883c1ac1829aecec5df8770b5", kill_on_drop: false }`
[INFO] [stdout] f8bf79b53f3f804280dac797034ed00eac7cce4883c1ac1829aecec5df8770b5