[INFO] cloning repository https://github.com/vaithak/scp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vaithak/scp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaithak%2Fscp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaithak%2Fscp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47cf0dc49873a5a66399ae4fdb9cde2187dd91bf
[INFO] checking vaithak/scp-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaithak%2Fscp-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vaithak/scp-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vaithak/scp-rust
[INFO] finished tweaking git repo https://github.com/vaithak/scp-rust
[INFO] tweaked toml for git repo https://github.com/vaithak/scp-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/vaithak/scp-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44aaf78c6d503d1ac10aceab4c8a07849d24a6473b555ee77507518fbf7c032f
[INFO] running `Command { std: "docker" "start" "-a" "44aaf78c6d503d1ac10aceab4c8a07849d24a6473b555ee77507518fbf7c032f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44aaf78c6d503d1ac10aceab4c8a07849d24a6473b555ee77507518fbf7c032f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44aaf78c6d503d1ac10aceab4c8a07849d24a6473b555ee77507518fbf7c032f", kill_on_drop: false }`
[INFO] [stdout] 44aaf78c6d503d1ac10aceab4c8a07849d24a6473b555ee77507518fbf7c032f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedfafbd8f3190855d8a75be40012a8b12a262d8ae8317d5cc8bc4c46f14707a
[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" "aedfafbd8f3190855d8a75be40012a8b12a262d8ae8317d5cc8bc4c46f14707a", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking walkdir v2.2.6
[INFO] [stderr]     Checking scp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest_path`
[INFO] [stdout]  --> src/main.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn recursive_copy(source_path: String, dest_path: String) {
[INFO] [stdout]   |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_path`
[INFO] [stdout]  --> src/main.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn recursive_copy(source_path: String, dest_path: String) {
[INFO] [stdout]   |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "aedfafbd8f3190855d8a75be40012a8b12a262d8ae8317d5cc8bc4c46f14707a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedfafbd8f3190855d8a75be40012a8b12a262d8ae8317d5cc8bc4c46f14707a", kill_on_drop: false }`
[INFO] [stdout] aedfafbd8f3190855d8a75be40012a8b12a262d8ae8317d5cc8bc4c46f14707a