[INFO] updating cached repository https://github.com/jonny7/rust-ownership
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f54265e8b091db866bad7abc334d76d1d70787f0
[INFO] testing jonny7/rust-ownership against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-ownership" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonny7/rust-ownership on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonny7/rust-ownership
[INFO] finished tweaking git repo https://github.com/jonny7/rust-ownership
[INFO] tweaked toml for git repo https://github.com/jonny7/rust-ownership written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jonny7/rust-ownership already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 87fafab0906f0aed3a41b4cb19a2293680839b59794d708150142f9db5500c05
[INFO] running `"docker" "start" "-a" "87fafab0906f0aed3a41b4cb19a2293680839b59794d708150142f9db5500c05"`
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `s1`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_s1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s3`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_s3`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "87fafab0906f0aed3a41b4cb19a2293680839b59794d708150142f9db5500c05"`
[INFO] running `"docker" "rm" "-f" "87fafab0906f0aed3a41b4cb19a2293680839b59794d708150142f9db5500c05"`
[INFO] [stdout] 87fafab0906f0aed3a41b4cb19a2293680839b59794d708150142f9db5500c05
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1ae1aa3f862b11fad2c7f2e43ed61b16a810bd65d55fe47486deff3dc43ebdf
[INFO] running `"docker" "start" "-a" "a1ae1aa3f862b11fad2c7f2e43ed61b16a810bd65d55fe47486deff3dc43ebdf"`
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `s1`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_s1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s3`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_s3`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "a1ae1aa3f862b11fad2c7f2e43ed61b16a810bd65d55fe47486deff3dc43ebdf"`
[INFO] running `"docker" "rm" "-f" "a1ae1aa3f862b11fad2c7f2e43ed61b16a810bd65d55fe47486deff3dc43ebdf"`
[INFO] [stdout] a1ae1aa3f862b11fad2c7f2e43ed61b16a810bd65d55fe47486deff3dc43ebdf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f6b660076040a584fd8e24258d054bc71cc154290bab88a51f2a8761a3c101c1
[INFO] running `"docker" "start" "-a" "f6b660076040a584fd8e24258d054bc71cc154290bab88a51f2a8761a3c101c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ownership-41ae254d3f983674
[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" "f6b660076040a584fd8e24258d054bc71cc154290bab88a51f2a8761a3c101c1"`
[INFO] running `"docker" "rm" "-f" "f6b660076040a584fd8e24258d054bc71cc154290bab88a51f2a8761a3c101c1"`
[INFO] [stdout] f6b660076040a584fd8e24258d054bc71cc154290bab88a51f2a8761a3c101c1