[INFO] fetching crate ode_solvers 0.3.0...
[INFO] checking ode_solvers-0.3.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate ode_solvers 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ode_solvers 0.3.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ode_solvers 0.3.0
[INFO] finished tweaking crates.io crate ode_solvers 0.3.0
[INFO] tweaked toml for crates.io crate ode_solvers 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c6a5876a831b2876e6d64e08a0d71f336d7225f537e1686411e70c2723c26fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7c6a5876a831b2876e6d64e08a0d71f336d7225f537e1686411e70c2723c26fa"`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking ode_solvers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `num_stages`
[INFO] [stderr]    --> src/butcher_tableau.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     num_stages: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_stages`
[INFO] [stderr]    --> src/butcher_tableau.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn num_stages(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `order`
[INFO] [stderr]    --> src/butcher_tableau.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn order(&self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `num_stages`
[INFO] [stderr]    --> src/butcher_tableau.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     num_stages: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_stages`
[INFO] [stderr]    --> src/butcher_tableau.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn num_stages(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `order`
[INFO] [stderr]    --> src/butcher_tableau.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn order(&self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.40s
[INFO] running `"docker" "inspect" "7c6a5876a831b2876e6d64e08a0d71f336d7225f537e1686411e70c2723c26fa"`
[INFO] running `"docker" "rm" "-f" "7c6a5876a831b2876e6d64e08a0d71f336d7225f537e1686411e70c2723c26fa"`
[INFO] [stdout] 7c6a5876a831b2876e6d64e08a0d71f336d7225f537e1686411e70c2723c26fa