[INFO] crate ode_solvers 0.3.0 is already in cache
[INFO] testing ode_solvers-0.3.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ode_solvers 0.3.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate ode_solvers 0.3.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b6c2c1603a64f2db9e3351cae675d791bfa0dae85d0576756ce7bb1a59d2d9bd
[INFO] running `"docker" "start" "-a" "b6c2c1603a64f2db9e3351cae675d791bfa0dae85d0576756ce7bb1a59d2d9bd"`
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 25.00s
[INFO] running `"docker" "inspect" "b6c2c1603a64f2db9e3351cae675d791bfa0dae85d0576756ce7bb1a59d2d9bd"`
[INFO] running `"docker" "rm" "-f" "b6c2c1603a64f2db9e3351cae675d791bfa0dae85d0576756ce7bb1a59d2d9bd"`
[INFO] [stdout] b6c2c1603a64f2db9e3351cae675d791bfa0dae85d0576756ce7bb1a59d2d9bd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 327bd0e5e75335434a9c7c810aa653420cea07ebb4aebc0a6f9283204e1eec33
[INFO] running `"docker" "start" "-a" "327bd0e5e75335434a9c7c810aa653420cea07ebb4aebc0a6f9283204e1eec33"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "327bd0e5e75335434a9c7c810aa653420cea07ebb4aebc0a6f9283204e1eec33"`
[INFO] running `"docker" "rm" "-f" "327bd0e5e75335434a9c7c810aa653420cea07ebb4aebc0a6f9283204e1eec33"`
[INFO] [stdout] 327bd0e5e75335434a9c7c810aa653420cea07ebb4aebc0a6f9283204e1eec33
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] bfdd2ca0873812f009b732988def5a4a640d5c6e49213a93d039471861282a2c
[INFO] running `"docker" "start" "-a" "bfdd2ca0873812f009b732988def5a4a640d5c6e49213a93d039471861282a2c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ode_solvers-bac84f5395b9ae33
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test butcher_tableau::tests::dopri853_a ... ok
[INFO] [stdout] test butcher_tableau::tests::dopri5_e ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ode_solvers
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bfdd2ca0873812f009b732988def5a4a640d5c6e49213a93d039471861282a2c"`
[INFO] running `"docker" "rm" "-f" "bfdd2ca0873812f009b732988def5a4a640d5c6e49213a93d039471861282a2c"`
[INFO] [stdout] bfdd2ca0873812f009b732988def5a4a640d5c6e49213a93d039471861282a2c