[INFO] cloning repository https://github.com/Shuternay/factorization_machine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shuternay/factorization_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuternay%2Ffactorization_machine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuternay%2Ffactorization_machine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f935feb6948591d30df2136b16576348f5c69c9b [INFO] checking Shuternay/factorization_machine against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuternay%2Ffactorization_machine" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shuternay/factorization_machine on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shuternay/factorization_machine [INFO] finished tweaking git repo https://github.com/Shuternay/factorization_machine [INFO] tweaked toml for git repo https://github.com/Shuternay/factorization_machine written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Shuternay/factorization_machine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21ced6cb07ad48ad69cbdcb26788726b974dabed3243cdcfcad62ce23155b4ef [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" "21ced6cb07ad48ad69cbdcb26788726b974dabed3243cdcfcad62ce23155b4ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21ced6cb07ad48ad69cbdcb26788726b974dabed3243cdcfcad62ce23155b4ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ced6cb07ad48ad69cbdcb26788726b974dabed3243cdcfcad62ce23155b4ef", kill_on_drop: false }` [INFO] [stdout] 21ced6cb07ad48ad69cbdcb26788726b974dabed3243cdcfcad62ce23155b4ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39ee5aadf1f1d617528316b912e02cfec8c2b9c007e0a968bdfade4b819ad9ec [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" "39ee5aadf1f1d617528316b912e02cfec8c2b9c007e0a968bdfade4b819ad9ec", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking argparse v0.2.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Checking serde_json v1.0.17 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking factorization_machine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dataset.rs:54:70 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn from_libsvm(path: &str, bits: u32) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/dataset.rs:92:74 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dataset.rs:92:89 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:36:50 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn load(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:44:54 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:103:55 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn eval_loss(&self, dataset: &Dataset, loss: &Loss) -> f32 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:110:37 [INFO] [stdout] | [INFO] [stdout] 110 | ... loss: &Loss, mut optimizer: T, epochs: i32, l2_regularization: f32) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:180:96 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn fit_als(&mut self, dataset: &Dataset, test_dataset_option: &Option, loss: &Loss, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dataset.rs:54:70 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn from_libsvm(path: &str, bits: u32) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/dataset.rs:92:74 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dataset.rs:92:89 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn from_csv(path: &str, target_field: &str, bits: u32) -> Result<(Dataset), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:36:50 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn load(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:44:54 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:103:55 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn eval_loss(&self, dataset: &Dataset, loss: &Loss) -> f32 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:110:37 [INFO] [stdout] | [INFO] [stdout] 110 | ... loss: &Loss, mut optimizer: T, epochs: i32, l2_regularization: f32) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/model.rs:180:96 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn fit_als(&mut self, dataset: &Dataset, test_dataset_option: &Option, loss: &Loss, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/model.rs:265:33 [INFO] [stdout] | [INFO] [stdout] 265 | ... let mut h = record.value * [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/model.rs:265:33 [INFO] [stdout] | [INFO] [stdout] 265 | ... let mut h = record.value * [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | let mut loss: Box; [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | let mut loss: Box; [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Loss` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.16s [INFO] running `Command { std: "docker" "inspect" "39ee5aadf1f1d617528316b912e02cfec8c2b9c007e0a968bdfade4b819ad9ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ee5aadf1f1d617528316b912e02cfec8c2b9c007e0a968bdfade4b819ad9ec", kill_on_drop: false }` [INFO] [stdout] 39ee5aadf1f1d617528316b912e02cfec8c2b9c007e0a968bdfade4b819ad9ec