[INFO] updating cached repository https://github.com/Nimoas/numerik_gdl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcad42032e676fd0b4759d835447ed19bce14b39
[INFO] checking Nimoas/numerik_gdl against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNimoas%2Fnumerik_gdl" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nimoas/numerik_gdl on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Nimoas/numerik_gdl
[INFO] finished tweaking git repo https://github.com/Nimoas/numerik_gdl
[INFO] tweaked toml for git repo https://github.com/Nimoas/numerik_gdl written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Nimoas/numerik_gdl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] f619b3512c2fdeec4fc721507f67a4e2afb498d9a9bbd121ff4a729877b2e364
[INFO] running `"docker" "start" "-a" "f619b3512c2fdeec4fc721507f67a4e2afb498d9a9bbd121ff4a729877b2e364"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking ngdl_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `SampleableFunction`
[INFO] [stderr]  --> src/newton_method.rs:2:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::definitions::{DifferentiableFunction, SampleableFunction};
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::izip`
[INFO] [stderr]  --> examples/task07_1.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::izip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ClosureSampleableFunction`
[INFO] [stderr]  --> examples/task07_1.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ngdl_rust::definitions::{ClosureSampleableFunction, InitialValueSystemProblem, Point2D, Function, Interval};
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `explicit_euler_system_interval`
[INFO] [stderr]  --> examples/task07_1.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ngdl_rust::euler_explicit::{explicit_euler_system_interval, make_explicit_euler_method_system};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `"docker" "inspect" "f619b3512c2fdeec4fc721507f67a4e2afb498d9a9bbd121ff4a729877b2e364"`
[INFO] running `"docker" "rm" "-f" "f619b3512c2fdeec4fc721507f67a4e2afb498d9a9bbd121ff4a729877b2e364"`
[INFO] [stdout] f619b3512c2fdeec4fc721507f67a4e2afb498d9a9bbd121ff4a729877b2e364