[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 beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimarinCode%2Frust-ownership-example" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShimarinCode/rust-ownership-example on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-5/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 3166864f75f72b6f96196176c7af03ddbdf0c0d4cc7c159121715bcb2e8209cd
[INFO] running `Command { std: "docker" "start" "-a" "3166864f75f72b6f96196176c7af03ddbdf0c0d4cc7c159121715bcb2e8209cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3166864f75f72b6f96196176c7af03ddbdf0c0d4cc7c159121715bcb2e8209cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3166864f75f72b6f96196176c7af03ddbdf0c0d4cc7c159121715bcb2e8209cd", kill_on_drop: false }`
[INFO] [stdout] 3166864f75f72b6f96196176c7af03ddbdf0c0d4cc7c159121715bcb2e8209cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156f950f65fcfb86b0c6b7559d39fba5794d9e12cd1b064b96c3476d1efbc7b3
[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" "156f950f65fcfb86b0c6b7559d39fba5794d9e12cd1b064b96c3476d1efbc7b3", 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "156f950f65fcfb86b0c6b7559d39fba5794d9e12cd1b064b96c3476d1efbc7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156f950f65fcfb86b0c6b7559d39fba5794d9e12cd1b064b96c3476d1efbc7b3", kill_on_drop: false }`
[INFO] [stdout] 156f950f65fcfb86b0c6b7559d39fba5794d9e12cd1b064b96c3476d1efbc7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--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] 6872cffe9f9d96de124bfb96b44d5a51b72080f039bee2c8a3378adf4e4a8eb3
[INFO] running `Command { std: "docker" "start" "-a" "6872cffe9f9d96de124bfb96b44d5a51b72080f039bee2c8a3378adf4e4a8eb3", 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "6872cffe9f9d96de124bfb96b44d5a51b72080f039bee2c8a3378adf4e4a8eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6872cffe9f9d96de124bfb96b44d5a51b72080f039bee2c8a3378adf4e4a8eb3", kill_on_drop: false }`
[INFO] [stdout] 6872cffe9f9d96de124bfb96b44d5a51b72080f039bee2c8a3378adf4e4a8eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0474bb6e71e3d65c2f81f28fe5dc4661bab579d004a62edbb491654f5bcc403f
[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" "0474bb6e71e3d65c2f81f28fe5dc4661bab579d004a62edbb491654f5bcc403f", 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ownership_lesson-afc45958efeeb27f
[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" "0474bb6e71e3d65c2f81f28fe5dc4661bab579d004a62edbb491654f5bcc403f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0474bb6e71e3d65c2f81f28fe5dc4661bab579d004a62edbb491654f5bcc403f", kill_on_drop: false }`
[INFO] [stdout] 0474bb6e71e3d65c2f81f28fe5dc4661bab579d004a62edbb491654f5bcc403f
