[INFO] fetching crate multistochgrad 0.1.4... [INFO] checking multistochgrad-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate multistochgrad 0.1.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate multistochgrad 0.1.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate multistochgrad 0.1.4 [INFO] finished tweaking crates.io crate multistochgrad 0.1.4 [INFO] tweaked toml for crates.io crate multistochgrad 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate multistochgrad 0.1.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.74 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.74 [INFO] [stderr] Downloaded time v0.2.25 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.74 [INFO] [stderr] Downloaded cpu-time v1.0.0 [INFO] [stderr] Downloaded matrixmultiply v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.74 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] [stderr] Downloaded ndarray v0.15.2 [INFO] [stderr] Downloaded libc v0.2.69 [INFO] [stderr] Downloaded libm v0.2.1 [INFO] [stderr] Downloaded syn v1.0.72 [INFO] [stderr] Downloaded num-complex v0.4.0 [INFO] [stderr] Downloaded rand_distr v0.4.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.4 [INFO] [stderr] Downloaded crossbeam-utils v0.8.4 [INFO] [stderr] Downloaded serde_derive v1.0.126 [INFO] [stderr] Downloaded termcolor v1.1.0 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded time-macros-impl v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 539f5146faac7deb08fe730ef1161d22fbee22f63c5122b599a6b944b576d219 [INFO] running `Command { std: "docker" "start" "-a" "539f5146faac7deb08fe730ef1161d22fbee22f63c5122b599a6b944b576d219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "539f5146faac7deb08fe730ef1161d22fbee22f63c5122b599a6b944b576d219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "539f5146faac7deb08fe730ef1161d22fbee22f63c5122b599a6b944b576d219", kill_on_drop: false }` [INFO] [stdout] 539f5146faac7deb08fe730ef1161d22fbee22f63c5122b599a6b944b576d219 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 374efb0ed3311faff346e220122ced4b20bb963ede44fb932adbc2a0ce93272b [INFO] running `Command { std: "docker" "start" "-a" "374efb0ed3311faff346e220122ced4b20bb963ede44fb932adbc2a0ce93272b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling const_fn v0.4.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking matrixmultiply v0.3.1 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking cpu-time v1.0.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking ndarray v0.15.2 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking multistochgrad v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/applis/linear_regression.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array` is already imported here [INFO] [stdout] 6 | use ndarray::{Array, Zip}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/applis/linear_regression.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array` is already imported here [INFO] [stdout] 6 | use ndarray::{Array, Zip}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `ndarray::parallel::impl_par_methods::>::par_apply`: Renamed to .par_for_each() [INFO] [stdout] --> src/applis/linear_regression.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 30 | Zip::from(gradient).and(x).par_apply(| g, &xv| *g = xv * (-e)); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `ndarray::parallel::impl_par_methods::>::par_apply`: Renamed to .par_for_each() [INFO] [stdout] --> src/applis/linear_regression.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 30 | Zip::from(gradient).and(x).par_apply(| g, &xv| *g = xv * (-e)); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_position` is never read [INFO] [stdout] --> src/monitor.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct IterationRes { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub last_position : Option>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_position` is never read [INFO] [stdout] --> src/monitor.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct IterationRes { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub last_position : Option>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> examples/mnist_logistic_sag.rs:44:51 [INFO] [stdout] | [INFO] [stdout] 44 | let label_path = PathBuf::from(LABEL_FNAME_STR.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> examples/mnist_logistic_scsg.rs:40:51 [INFO] [stdout] | [INFO] [stdout] 40 | let label_path = PathBuf::from(LABEL_FNAME_STR.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> examples/mnist_logistic_svrg.rs:43:51 [INFO] [stdout] | [INFO] [stdout] 43 | let label_path = PathBuf::from(LABEL_FNAME_STR.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.18s [INFO] running `Command { std: "docker" "inspect" "374efb0ed3311faff346e220122ced4b20bb963ede44fb932adbc2a0ce93272b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "374efb0ed3311faff346e220122ced4b20bb963ede44fb932adbc2a0ce93272b", kill_on_drop: false }` [INFO] [stdout] 374efb0ed3311faff346e220122ced4b20bb963ede44fb932adbc2a0ce93272b