[INFO] crate ode_solvers 0.3.0 is already in cache
[INFO] extracting crate ode_solvers 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ode_solvers/0.3.0
[INFO] extracting crate ode_solvers 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ode_solvers/0.3.0
[INFO] validating manifest of ode_solvers-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ode_solvers-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ode_solvers-0.3.0
[INFO] finished frobbing ode_solvers-0.3.0
[INFO] frobbed toml for ode_solvers-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ode_solvers/0.3.0/Cargo.toml
[INFO] started frobbing ode_solvers-0.3.0
[INFO] finished frobbing ode_solvers-0.3.0
[INFO] frobbed toml for ode_solvers-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ode_solvers/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ode_solvers-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ode_solvers/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b552e4ca30a9630b1ae69b748f6e72a371ca88b41388c1d710ff6b3da1817e44
[INFO] running `"docker" "start" "-a" "b552e4ca30a9630b1ae69b748f6e72a371ca88b41388c1d710ff6b3da1817e44"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling ode_solvers v0.3.0 (/opt/crater/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 42.35s
[INFO] running `"docker" "inspect" "b552e4ca30a9630b1ae69b748f6e72a371ca88b41388c1d710ff6b3da1817e44"`
[INFO] running `"docker" "rm" "-f" "b552e4ca30a9630b1ae69b748f6e72a371ca88b41388c1d710ff6b3da1817e44"`
[INFO] [stdout] b552e4ca30a9630b1ae69b748f6e72a371ca88b41388c1d710ff6b3da1817e44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ode_solvers/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1be543a22f72d1dcbeaf41657a801efbf18e594c6a139b88f5d1eff06c4d087
[INFO] running `"docker" "start" "-a" "a1be543a22f72d1dcbeaf41657a801efbf18e594c6a139b88f5d1eff06c4d087"`
[INFO] [stderr]    Compiling ode_solvers v0.3.0 (/opt/crater/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 1.68s
[INFO] running `"docker" "inspect" "a1be543a22f72d1dcbeaf41657a801efbf18e594c6a139b88f5d1eff06c4d087"`
[INFO] running `"docker" "rm" "-f" "a1be543a22f72d1dcbeaf41657a801efbf18e594c6a139b88f5d1eff06c4d087"`
[INFO] [stdout] a1be543a22f72d1dcbeaf41657a801efbf18e594c6a139b88f5d1eff06c4d087
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ode_solvers/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 52ac66c39431496098f0e4f82092fabddcca297a5137753d79476635018ce1f0
[INFO] running `"docker" "start" "-a" "52ac66c39431496098f0e4f82092fabddcca297a5137753d79476635018ce1f0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ode_solvers-e13fd0fbda72e86b
[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" "52ac66c39431496098f0e4f82092fabddcca297a5137753d79476635018ce1f0"`
[INFO] running `"docker" "rm" "-f" "52ac66c39431496098f0e4f82092fabddcca297a5137753d79476635018ce1f0"`
[INFO] [stdout] 52ac66c39431496098f0e4f82092fabddcca297a5137753d79476635018ce1f0