[INFO] cloning repository https://github.com/tamilvendhank/design_patterns_using_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamilvendhank/design_patterns_using_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamilvendhank%2Fdesign_patterns_using_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamilvendhank%2Fdesign_patterns_using_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5dd5f8bc83ca7b9e43eec75439dcde584ee90af [INFO] checking tamilvendhank/design_patterns_using_rust against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamilvendhank%2Fdesign_patterns_using_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamilvendhank/design_patterns_using_rust on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tamilvendhank/design_patterns_using_rust [INFO] finished tweaking git repo https://github.com/tamilvendhank/design_patterns_using_rust [INFO] tweaked toml for git repo https://github.com/tamilvendhank/design_patterns_using_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tamilvendhank/design_patterns_using_rust 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking tamilvendhank/design_patterns_using_rust against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamilvendhank%2Fdesign_patterns_using_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamilvendhank/design_patterns_using_rust on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tamilvendhank/design_patterns_using_rust [INFO] finished tweaking git repo https://github.com/tamilvendhank/design_patterns_using_rust [INFO] tweaked toml for git repo https://github.com/tamilvendhank/design_patterns_using_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tamilvendhank/design_patterns_using_rust 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7eb883817ec1948f5e1f0251e74bd317fdd44b8c47e5a3439ba69d4e2cbeb82 [INFO] running `Command { std: "docker" "start" "-a" "c7eb883817ec1948f5e1f0251e74bd317fdd44b8c47e5a3439ba69d4e2cbeb82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7eb883817ec1948f5e1f0251e74bd317fdd44b8c47e5a3439ba69d4e2cbeb82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7eb883817ec1948f5e1f0251e74bd317fdd44b8c47e5a3439ba69d4e2cbeb82", kill_on_drop: false }` [INFO] [stdout] c7eb883817ec1948f5e1f0251e74bd317fdd44b8c47e5a3439ba69d4e2cbeb82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f2984601d1f9a2a74769ee4b5d531b23773d4c109916f3431ce3a6d7131752a [INFO] running `Command { std: "docker" "start" "-a" "1f2984601d1f9a2a74769ee4b5d531b23773d4c109916f3431ce3a6d7131752a", kill_on_drop: false }` [INFO] [stderr] Checking design_patterns_using_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `perform_fly`, `perform_quack`, `swim`, and `set_quack_behaviour` are never used [INFO] [stdout] --> src/strategy_pattern.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Duck { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 22 | pub fn perform_fly(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn perform_quack(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn swim(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn set_quack_behaviour(&mut self, quack_behaviour: Box) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `perform_fly`, `perform_quack`, `swim`, and `set_quack_behaviour` are never used [INFO] [stdout] --> src/strategy_pattern.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Duck { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 22 | pub fn perform_fly(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn perform_quack(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn swim(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn set_quack_behaviour(&mut self, quack_behaviour: Box) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "1f2984601d1f9a2a74769ee4b5d531b23773d4c109916f3431ce3a6d7131752a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f2984601d1f9a2a74769ee4b5d531b23773d4c109916f3431ce3a6d7131752a", kill_on_drop: false }` [INFO] [stdout] 1f2984601d1f9a2a74769ee4b5d531b23773d4c109916f3431ce3a6d7131752a