[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuternay%2Ffactorization_machine" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shuternay/factorization_machine on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-6/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7160932e4dea876f3b263cd1bcc0ec736d0f7a33175d20428dd2725c5d31b9e5 [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" "7160932e4dea876f3b263cd1bcc0ec736d0f7a33175d20428dd2725c5d31b9e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7160932e4dea876f3b263cd1bcc0ec736d0f7a33175d20428dd2725c5d31b9e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7160932e4dea876f3b263cd1bcc0ec736d0f7a33175d20428dd2725c5d31b9e5", kill_on_drop: false }` [INFO] [stdout] 7160932e4dea876f3b263cd1bcc0ec736d0f7a33175d20428dd2725c5d31b9e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d100b1a08215bad6a3eea5e7d4042ce8f4955780984c06e72909a9f00f1f19d [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" "4d100b1a08215bad6a3eea5e7d4042ce8f4955780984c06e72909a9f00f1f19d", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking scopeguard v0.3.3 [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 either v1.5.0 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking argparse v0.2.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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: 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: 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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [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 23.28s [INFO] running `Command { std: "docker" "inspect" "4d100b1a08215bad6a3eea5e7d4042ce8f4955780984c06e72909a9f00f1f19d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d100b1a08215bad6a3eea5e7d4042ce8f4955780984c06e72909a9f00f1f19d", kill_on_drop: false }` [INFO] [stdout] 4d100b1a08215bad6a3eea5e7d4042ce8f4955780984c06e72909a9f00f1f19d