[INFO] cloning 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" "clone" "--bare" "https://github.com/ShimarinCode/rust-ownership-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd3faf6cd9c6dfa71c429b47d4d22d9dec0bc3f9
[INFO] testing ShimarinCode/rust-ownership-example against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShimarinCode/rust-ownership-example on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-2/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd82f824316a48115de31176db2e96f688d7f97cd21ad76ea6b47b378d50a22b
[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" "fd82f824316a48115de31176db2e96f688d7f97cd21ad76ea6b47b378d50a22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd82f824316a48115de31176db2e96f688d7f97cd21ad76ea6b47b378d50a22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd82f824316a48115de31176db2e96f688d7f97cd21ad76ea6b47b378d50a22b", kill_on_drop: false }`
[INFO] [stdout] fd82f824316a48115de31176db2e96f688d7f97cd21ad76ea6b47b378d50a22b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf622dfbe9db8a1bc2934f0dd1b9d5d841616f1f2db44ccbefc525bc85e63f35
[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" "bf622dfbe9db8a1bc2934f0dd1b9d5d841616f1f2db44ccbefc525bc85e63f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "bf622dfbe9db8a1bc2934f0dd1b9d5d841616f1f2db44ccbefc525bc85e63f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf622dfbe9db8a1bc2934f0dd1b9d5d841616f1f2db44ccbefc525bc85e63f35", kill_on_drop: false }`
[INFO] [stdout] bf622dfbe9db8a1bc2934f0dd1b9d5d841616f1f2db44ccbefc525bc85e63f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339cb2c44940b74487adc03702b27ecda42f51b308b66eb8beb8150a3de0bdd1
[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" "339cb2c44940b74487adc03702b27ecda42f51b308b66eb8beb8150a3de0bdd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "339cb2c44940b74487adc03702b27ecda42f51b308b66eb8beb8150a3de0bdd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339cb2c44940b74487adc03702b27ecda42f51b308b66eb8beb8150a3de0bdd1", kill_on_drop: false }`
[INFO] [stdout] 339cb2c44940b74487adc03702b27ecda42f51b308b66eb8beb8150a3de0bdd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8295a940cff698f740f97eb9be1b66740c93a37b9b5e89317c210ef42639076b
[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" "8295a940cff698f740f97eb9be1b66740c93a37b9b5e89317c210ef42639076b", kill_on_drop: false }`
[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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ownership_lesson-3b24d4f51f61df43
[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 `Command { std: "docker" "inspect" "8295a940cff698f740f97eb9be1b66740c93a37b9b5e89317c210ef42639076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8295a940cff698f740f97eb9be1b66740c93a37b9b5e89317c210ef42639076b", kill_on_drop: false }`
[INFO] [stdout] 8295a940cff698f740f97eb9be1b66740c93a37b9b5e89317c210ef42639076b