[INFO] updating cached repository eriksvedang/UnifierInRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eriksvedang/UnifierInRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eriksvedang/UnifierInRust" "work/ex/beta-1.38-1/sources/1.37.0/gh/eriksvedang/UnifierInRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/eriksvedang/UnifierInRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eriksvedang/UnifierInRust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1046fadca4a7452538b4437bc5d796e657d338f9
[INFO] sha for GitHub repo eriksvedang/UnifierInRust: 1046fadca4a7452538b4437bc5d796e657d338f9
[INFO] validating manifest of eriksvedang/UnifierInRust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eriksvedang/UnifierInRust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eriksvedang/UnifierInRust
[INFO] finished frobbing eriksvedang/UnifierInRust
[INFO] frobbed toml for eriksvedang/UnifierInRust written to work/ex/beta-1.38-1/sources/1.37.0/gh/eriksvedang/UnifierInRust/Cargo.toml
[INFO] started frobbing eriksvedang/UnifierInRust
[INFO] finished frobbing eriksvedang/UnifierInRust
[INFO] frobbed toml for eriksvedang/UnifierInRust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust/Cargo.toml
[INFO] crate eriksvedang/UnifierInRust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing eriksvedang/UnifierInRust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4d5b375a9fefad72feee6871f9d82edcd8fc457f82e6bae1827da9f2e3831d64
[INFO] running `"docker" "start" "-a" "4d5b375a9fefad72feee6871f9d82edcd8fc457f82e6bae1827da9f2e3831d64"`
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/main.rs:59:55
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stderr]    |                                                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]    --> src/main.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let all_bindings = bindings_strings.connect(", ");
[INFO] [stderr]     |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "4d5b375a9fefad72feee6871f9d82edcd8fc457f82e6bae1827da9f2e3831d64"`
[INFO] running `"docker" "rm" "-f" "4d5b375a9fefad72feee6871f9d82edcd8fc457f82e6bae1827da9f2e3831d64"`
[INFO] [stdout] 4d5b375a9fefad72feee6871f9d82edcd8fc457f82e6bae1827da9f2e3831d64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2fe826a8d31e1f3b2ddb2a6609ae6b9644a7c8848e4f8f90ca0eff5f17bb6f34
[INFO] running `"docker" "start" "-a" "2fe826a8d31e1f3b2ddb2a6609ae6b9644a7c8848e4f8f90ca0eff5f17bb6f34"`
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/main.rs:59:55
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stderr]    |                                                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]    --> src/main.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let all_bindings = bindings_strings.connect(", ");
[INFO] [stderr]     |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "2fe826a8d31e1f3b2ddb2a6609ae6b9644a7c8848e4f8f90ca0eff5f17bb6f34"`
[INFO] running `"docker" "rm" "-f" "2fe826a8d31e1f3b2ddb2a6609ae6b9644a7c8848e4f8f90ca0eff5f17bb6f34"`
[INFO] [stdout] 2fe826a8d31e1f3b2ddb2a6609ae6b9644a7c8848e4f8f90ca0eff5f17bb6f34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eriksvedang/UnifierInRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d2556b420a9c84ba5ccf9fd28aee7869ff1505abe08ba30c9b8b0bed139c0f72
[INFO] running `"docker" "start" "-a" "d2556b420a9c84ba5ccf9fd28aee7869ff1505abe08ba30c9b8b0bed139c0f72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unifier_in_rust-a90c6c04cc5e0379
[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" "d2556b420a9c84ba5ccf9fd28aee7869ff1505abe08ba30c9b8b0bed139c0f72"`
[INFO] running `"docker" "rm" "-f" "d2556b420a9c84ba5ccf9fd28aee7869ff1505abe08ba30c9b8b0bed139c0f72"`
[INFO] [stdout] d2556b420a9c84ba5ccf9fd28aee7869ff1505abe08ba30c9b8b0bed139c0f72