[INFO] updating cached repository Shuternay/factorization_machine [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Shuternay/factorization_machine [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Shuternay/factorization_machine" "work/ex/beta-1.38-1/sources/1.37.0/gh/Shuternay/factorization_machine"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Shuternay/factorization_machine'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Shuternay/factorization_machine" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Shuternay/factorization_machine"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Shuternay/factorization_machine'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f935feb6948591d30df2136b16576348f5c69c9b [INFO] sha for GitHub repo Shuternay/factorization_machine: f935feb6948591d30df2136b16576348f5c69c9b [INFO] validating manifest of Shuternay/factorization_machine 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 Shuternay/factorization_machine 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 Shuternay/factorization_machine [INFO] finished frobbing Shuternay/factorization_machine [INFO] frobbed toml for Shuternay/factorization_machine written to work/ex/beta-1.38-1/sources/1.37.0/gh/Shuternay/factorization_machine/Cargo.toml [INFO] started frobbing Shuternay/factorization_machine [INFO] finished frobbing Shuternay/factorization_machine [INFO] frobbed toml for Shuternay/factorization_machine written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Shuternay/factorization_machine/Cargo.toml [INFO] crate Shuternay/factorization_machine 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 Shuternay/factorization_machine 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-2/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/Shuternay/factorization_machine:/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] c8d1ca2a8d47be80848fe7bec4aae8d29dc16515f8faf43653fa1054d6f1465a [INFO] running `"docker" "start" "-a" "c8d1ca2a8d47be80848fe7bec4aae8d29dc16515f8faf43653fa1054d6f1465a"` [INFO] [stderr] Compiling serde v1.0.37 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling csv-core v0.1.4 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Compiling csv v1.0.0-beta.5 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling factorization_machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/dataset.rs:54:70 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn from_libsvm(path: &str, bits: u32) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [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/dataset.rs:92:89 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:36:50 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn load(path: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:44:54 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:103:55 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn eval_loss(&self, dataset: &Dataset, loss: &Loss) -> f32 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:110:37 [INFO] [stderr] | [INFO] [stderr] 110 | loss: &Loss, mut optimizer: T, epochs: i32, l2_regularization: f32) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:180:96 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn fit_als(&mut self, dataset: &Dataset, test_dataset_option: &Option, loss: &Loss, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/model.rs:265:33 [INFO] [stderr] | [INFO] [stderr] 265 | let mut h = record.value * [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:75:23 [INFO] [stderr] | [INFO] [stderr] 75 | let mut loss: Box; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.55s [INFO] running `"docker" "inspect" "c8d1ca2a8d47be80848fe7bec4aae8d29dc16515f8faf43653fa1054d6f1465a"` [INFO] running `"docker" "rm" "-f" "c8d1ca2a8d47be80848fe7bec4aae8d29dc16515f8faf43653fa1054d6f1465a"` [INFO] [stdout] c8d1ca2a8d47be80848fe7bec4aae8d29dc16515f8faf43653fa1054d6f1465a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Shuternay/factorization_machine:/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] e743c976897d8969910c4d157e9d73dc95f881c847856b73b63840d3d51cf305 [INFO] running `"docker" "start" "-a" "e743c976897d8969910c4d157e9d73dc95f881c847856b73b63840d3d51cf305"` [INFO] [stderr] Compiling factorization_machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/dataset.rs:54:70 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn from_libsvm(path: &str, bits: u32) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [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/dataset.rs:92:89 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:36:50 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn load(path: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:44:54 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:103:55 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn eval_loss(&self, dataset: &Dataset, loss: &Loss) -> f32 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:110:37 [INFO] [stderr] | [INFO] [stderr] 110 | loss: &Loss, mut optimizer: T, epochs: i32, l2_regularization: f32) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/model.rs:180:96 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn fit_als(&mut self, dataset: &Dataset, test_dataset_option: &Option, loss: &Loss, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/model.rs:265:33 [INFO] [stderr] | [INFO] [stderr] 265 | let mut h = record.value * [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:75:23 [INFO] [stderr] | [INFO] [stderr] 75 | let mut loss: Box; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.30s [INFO] running `"docker" "inspect" "e743c976897d8969910c4d157e9d73dc95f881c847856b73b63840d3d51cf305"` [INFO] running `"docker" "rm" "-f" "e743c976897d8969910c4d157e9d73dc95f881c847856b73b63840d3d51cf305"` [INFO] [stdout] e743c976897d8969910c4d157e9d73dc95f881c847856b73b63840d3d51cf305 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Shuternay/factorization_machine:/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] f1f2b460704d0bb8a34552f66135c6803dfef35438400dbc1772aba186b7a53d [INFO] running `"docker" "start" "-a" "f1f2b460704d0bb8a34552f66135c6803dfef35438400dbc1772aba186b7a53d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/factorization_machine-a21cb7e8749e6978 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/factorization_machine-9a25cad392608676 [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] [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] [stderr] Doc-tests factorization_machine [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" "f1f2b460704d0bb8a34552f66135c6803dfef35438400dbc1772aba186b7a53d"` [INFO] running `"docker" "rm" "-f" "f1f2b460704d0bb8a34552f66135c6803dfef35438400dbc1772aba186b7a53d"` [INFO] [stdout] f1f2b460704d0bb8a34552f66135c6803dfef35438400dbc1772aba186b7a53d