[INFO] updating cached repository kupiakos/cs478-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kupiakos/cs478-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kupiakos/cs478-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kupiakos/cs478-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kupiakos/cs478-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kupiakos/cs478-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca9396cce50fc35be1cde67fe7eea5d8ae585fec
[INFO] sha for GitHub repo kupiakos/cs478-rs: ca9396cce50fc35be1cde67fe7eea5d8ae585fec
[INFO] validating manifest of kupiakos/cs478-rs 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 kupiakos/cs478-rs 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 kupiakos/cs478-rs
[INFO] finished frobbing kupiakos/cs478-rs
[INFO] frobbed toml for kupiakos/cs478-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs/Cargo.toml
[INFO] started frobbing kupiakos/cs478-rs
[INFO] finished frobbing kupiakos/cs478-rs
[INFO] frobbed toml for kupiakos/cs478-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kupiakos/cs478-rs/Cargo.toml
[INFO] crate kupiakos/cs478-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kupiakos/cs478-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0247c1ac71142c8df6c60fbfd9b53a3a23c92f7fae9581a33d188940c46d20b1
[INFO] running `"docker" "start" "-a" "0247c1ac71142c8df6c60fbfd9b53a3a23c92f7fae9581a33d188940c46d20b1"`
[INFO] [stderr]    Compiling cs478-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arff/mod.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn next_quoted(iter: &mut Iterator<Item = &str>, split: char) -> Option<String> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/arff/mod.rs:146:69
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn load_arff(filename: &path::Path) -> Result<Relation, Box<error::Error>> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/arff/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/arff/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "0247c1ac71142c8df6c60fbfd9b53a3a23c92f7fae9581a33d188940c46d20b1"`
[INFO] running `"docker" "rm" "-f" "0247c1ac71142c8df6c60fbfd9b53a3a23c92f7fae9581a33d188940c46d20b1"`
[INFO] [stdout] 0247c1ac71142c8df6c60fbfd9b53a3a23c92f7fae9581a33d188940c46d20b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3406913b02f6edd4adcca56be97f60bad1a58af28ae5ade199f97d694a5b524c
[INFO] running `"docker" "start" "-a" "3406913b02f6edd4adcca56be97f60bad1a58af28ae5ade199f97d694a5b524c"`
[INFO] [stderr]    Compiling cs478-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arff/mod.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn next_quoted(iter: &mut Iterator<Item = &str>, split: char) -> Option<String> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/arff/mod.rs:146:69
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn load_arff(filename: &path::Path) -> Result<Relation, Box<error::Error>> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/arff/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/arff/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "3406913b02f6edd4adcca56be97f60bad1a58af28ae5ade199f97d694a5b524c"`
[INFO] running `"docker" "rm" "-f" "3406913b02f6edd4adcca56be97f60bad1a58af28ae5ade199f97d694a5b524c"`
[INFO] [stdout] 3406913b02f6edd4adcca56be97f60bad1a58af28ae5ade199f97d694a5b524c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kupiakos/cs478-rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b69e8a71dcdbccd8b125b3be438bc61e5f45f36a6f30642ed3542e99a6cacf5a
[INFO] running `"docker" "start" "-a" "b69e8a71dcdbccd8b125b3be438bc61e5f45f36a6f30642ed3542e99a6cacf5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cs478_rs-f02ea04fcfa2ac42
[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" "b69e8a71dcdbccd8b125b3be438bc61e5f45f36a6f30642ed3542e99a6cacf5a"`
[INFO] running `"docker" "rm" "-f" "b69e8a71dcdbccd8b125b3be438bc61e5f45f36a6f30642ed3542e99a6cacf5a"`
[INFO] [stdout] b69e8a71dcdbccd8b125b3be438bc61e5f45f36a6f30642ed3542e99a6cacf5a