[INFO] fetching crate RustyDSA 0.1.2...
[INFO] checking RustyDSA-0.1.2 against master#cb06d12710575a0d7ff71d6fe108f3bcff4f9195 for pr-128425-1
[INFO] extracting crate RustyDSA 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate RustyDSA 0.1.2 on toolchain cb06d12710575a0d7ff71d6fe108f3bcff4f9195
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate RustyDSA 0.1.2
[INFO] finished tweaking crates.io crate RustyDSA 0.1.2
[INFO] tweaked toml for crates.io crate RustyDSA 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate RustyDSA 0.1.2 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" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b96c7ab078ae2d519e97f97b3af16e3a80aa78642d95d1785522de37ac436179
[INFO] running `Command { std: "docker" "start" "-a" "b96c7ab078ae2d519e97f97b3af16e3a80aa78642d95d1785522de37ac436179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b96c7ab078ae2d519e97f97b3af16e3a80aa78642d95d1785522de37ac436179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96c7ab078ae2d519e97f97b3af16e3a80aa78642d95d1785522de37ac436179", kill_on_drop: false }`
[INFO] [stdout] b96c7ab078ae2d519e97f97b3af16e3a80aa78642d95d1785522de37ac436179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8f092dd2d295b2e58130abd8136c09c6f5c45991bfb59c4939c92cfc92e663c
[INFO] running `Command { std: "docker" "start" "-a" "d8f092dd2d295b2e58130abd8136c09c6f5c45991bfb59c4939c92cfc92e663c", kill_on_drop: false }`
[INFO] [stderr]     Checking RustyDSA v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `element_pop`
[INFO] [stdout]    --> src/data_structure/stack.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let element_pop = stack.pop();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_pop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_pop`
[INFO] [stdout]    --> src/data_structure/stack.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let element_pop = stack.pop();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_pop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_queue` is never used
[INFO] [stdout]    --> src/data_structure/queue.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn test_queue()
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_heap` is never used
[INFO] [stdout]    --> src/data_structure/heap.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn test_heap()
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustyDSA` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rusty_dsa`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "d8f092dd2d295b2e58130abd8136c09c6f5c45991bfb59c4939c92cfc92e663c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f092dd2d295b2e58130abd8136c09c6f5c45991bfb59c4939c92cfc92e663c", kill_on_drop: false }`
[INFO] [stdout] d8f092dd2d295b2e58130abd8136c09c6f5c45991bfb59c4939c92cfc92e663c