[INFO] crate neuroflow 0.1.3 is already in cache
[INFO] checking neuroflow-0.1.3 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate neuroflow 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate neuroflow 0.1.3 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate neuroflow 0.1.3
[INFO] finished tweaking crates.io crate neuroflow 0.1.3
[INFO] tweaked toml for crates.io crate neuroflow 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2cd0f387cf5ff2534133bc30cd0b04c01451da99082a270a5aba3f715ce2804
[INFO] running `"docker" "start" "-a" "a2cd0f387cf5ff2534133bc30cd0b04c01451da99082a270a5aba3f715ce2804"`
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking neuroflow v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/data/mod.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     StdError(Box<std::error::Error>)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/data/mod.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     StdError(Box<std::error::Error>)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]   --> src/estimators/mod.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stderr]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/io/mod.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/io/mod.rs:90:18
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn from_json(s: &str){
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]   --> src/estimators/mod.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stderr]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/io/mod.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/io/mod.rs:90:18
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn from_json(s: &str){
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.32s
[INFO] running `"docker" "inspect" "a2cd0f387cf5ff2534133bc30cd0b04c01451da99082a270a5aba3f715ce2804"`
[INFO] running `"docker" "rm" "-f" "a2cd0f387cf5ff2534133bc30cd0b04c01451da99082a270a5aba3f715ce2804"`
[INFO] [stdout] a2cd0f387cf5ff2534133bc30cd0b04c01451da99082a270a5aba3f715ce2804
