[INFO] cloning repository https://github.com/ShimarinCode/rust-ownership-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShimarinCode/rust-ownership-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd3faf6cd9c6dfa71c429b47d4d22d9dec0bc3f9
[INFO] testing ShimarinCode/rust-ownership-example against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShimarinCode/rust-ownership-example on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efe11368e63e5afc7ccd92fd8df172a22e027b645f482e31b56cec900afb1540
[INFO] running `"docker" "start" "-a" "efe11368e63e5afc7ccd92fd8df172a22e027b645f482e31b56cec900afb1540"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ownership_lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `s6`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let s6 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s6`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s7`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let s7 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s7`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "efe11368e63e5afc7ccd92fd8df172a22e027b645f482e31b56cec900afb1540"`
[INFO] running `"docker" "rm" "-f" "efe11368e63e5afc7ccd92fd8df172a22e027b645f482e31b56cec900afb1540"`
[INFO] [stdout] efe11368e63e5afc7ccd92fd8df172a22e027b645f482e31b56cec900afb1540
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4126c41aeaad9c8c86585431eb307e00a7e7fd3f392511e6bd253c973205d0bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4126c41aeaad9c8c86585431eb307e00a7e7fd3f392511e6bd253c973205d0bd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ownership_lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `s6`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let s6 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s6`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s7`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let s7 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s7`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "4126c41aeaad9c8c86585431eb307e00a7e7fd3f392511e6bd253c973205d0bd"`
[INFO] running `"docker" "rm" "-f" "4126c41aeaad9c8c86585431eb307e00a7e7fd3f392511e6bd253c973205d0bd"`
[INFO] [stdout] 4126c41aeaad9c8c86585431eb307e00a7e7fd3f392511e6bd253c973205d0bd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49d8b194c5ae424e9c42f52feba4a37e3c2aba427d413371b57f07d6e856cfa9
[INFO] running `"docker" "start" "-a" "49d8b194c5ae424e9c42f52feba4a37e3c2aba427d413371b57f07d6e856cfa9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `s6`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let s6 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s6`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s7`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let s7 = &s4;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s7`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ownership_lesson-b86f541f46c3e0b5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "49d8b194c5ae424e9c42f52feba4a37e3c2aba427d413371b57f07d6e856cfa9"`
[INFO] running `"docker" "rm" "-f" "49d8b194c5ae424e9c42f52feba4a37e3c2aba427d413371b57f07d6e856cfa9"`
[INFO] [stdout] 49d8b194c5ae424e9c42f52feba4a37e3c2aba427d413371b57f07d6e856cfa9