[INFO] updating cached repository https://github.com/ShimarinCode/rust-ownership-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd3faf6cd9c6dfa71c429b47d4d22d9dec0bc3f9
[INFO] checking ShimarinCode/rust-ownership-example against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShimarinCode/rust-ownership-example on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShimarinCode/rust-ownership-example
[INFO] finished tweaking git repo https://github.com/ShimarinCode/rust-ownership-example
[INFO] tweaked toml for git repo https://github.com/ShimarinCode/rust-ownership-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ShimarinCode/rust-ownership-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c927f8504d37693327ba2f964564d8d414cad7499320dbeb04563acf51de39e
[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" "0c927f8504d37693327ba2f964564d8d414cad7499320dbeb04563acf51de39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c927f8504d37693327ba2f964564d8d414cad7499320dbeb04563acf51de39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c927f8504d37693327ba2f964564d8d414cad7499320dbeb04563acf51de39e", kill_on_drop: false }`
[INFO] [stdout] 0c927f8504d37693327ba2f964564d8d414cad7499320dbeb04563acf51de39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ee058a974dcf963b4dfb58f56960bfcf2d80fe0b7bf80754869cd7363694e057
[INFO] running `Command { std: "docker" "start" "-a" "ee058a974dcf963b4dfb58f56960bfcf2d80fe0b7bf80754869cd7363694e057", kill_on_drop: false }`
[INFO] [stderr]     Checking ownership_lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s6`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let s6 = &s4;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s6`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s7`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let s7 = &s4;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s6`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let s6 = &s4;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s6`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s7`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let s7 = &s4;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ee058a974dcf963b4dfb58f56960bfcf2d80fe0b7bf80754869cd7363694e057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee058a974dcf963b4dfb58f56960bfcf2d80fe0b7bf80754869cd7363694e057", kill_on_drop: false }`
[INFO] [stdout] ee058a974dcf963b4dfb58f56960bfcf2d80fe0b7bf80754869cd7363694e057