[INFO] fetching crate ode_solvers 0.3.4...
[INFO] testing ode_solvers-0.3.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ode_solvers 0.3.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ode_solvers 0.3.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ode_solvers 0.3.4
[INFO] finished tweaking crates.io crate ode_solvers 0.3.4
[INFO] tweaked toml for crates.io crate ode_solvers 0.3.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ode_solvers 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71a2c252f2cc3b65251d35c7d2bd010c66ed780c6bfa6884fdc6ca03a65de77b
[INFO] running `Command { std: "docker" "start" "-a" "71a2c252f2cc3b65251d35c7d2bd010c66ed780c6bfa6884fdc6ca03a65de77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a2c252f2cc3b65251d35c7d2bd010c66ed780c6bfa6884fdc6ca03a65de77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a2c252f2cc3b65251d35c7d2bd010c66ed780c6bfa6884fdc6ca03a65de77b", kill_on_drop: false }`
[INFO] [stdout] 71a2c252f2cc3b65251d35c7d2bd010c66ed780c6bfa6884fdc6ca03a65de77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33305dc97a5de2e87c567e343703f1837e25411cff2150c5fb85a05990b7789
[INFO] running `Command { std: "docker" "start" "-a" "a33305dc97a5de2e87c567e343703f1837e25411cff2150c5fb85a05990b7789", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling wide v0.7.0
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling ode_solvers v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/butcher_tableau.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub order: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.85s
[INFO] running `Command { std: "docker" "inspect" "a33305dc97a5de2e87c567e343703f1837e25411cff2150c5fb85a05990b7789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33305dc97a5de2e87c567e343703f1837e25411cff2150c5fb85a05990b7789", kill_on_drop: false }`
[INFO] [stdout] a33305dc97a5de2e87c567e343703f1837e25411cff2150c5fb85a05990b7789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1100965569eb7aa705a0851167cbe1be559efcc738eaf26d16716ab39debd7
[INFO] running `Command { std: "docker" "start" "-a" "bd1100965569eb7aa705a0851167cbe1be559efcc738eaf26d16716ab39debd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ode_solvers v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/butcher_tableau.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub order: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/butcher_tableau.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub order: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "bd1100965569eb7aa705a0851167cbe1be559efcc738eaf26d16716ab39debd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1100965569eb7aa705a0851167cbe1be559efcc738eaf26d16716ab39debd7", kill_on_drop: false }`
[INFO] [stdout] bd1100965569eb7aa705a0851167cbe1be559efcc738eaf26d16716ab39debd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24f1613efb60c11b28309c9723290cc150a687969cf50ba5afa7bfa347922ddc
[INFO] running `Command { std: "docker" "start" "-a" "24f1613efb60c11b28309c9723290cc150a687969cf50ba5afa7bfa347922ddc", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `order`
[INFO] [stderr]    --> src/butcher_tableau.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub order: i32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ode_solvers` (lib) generated 1 warning
[INFO] [stderr] warning: `ode_solvers` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ode_solvers-7d108ae3519671bf)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test butcher_tableau::tests::dopri5_e ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test2_svector ... ok
[INFO] [stdout] test butcher_tableau::tests::dopri853_a ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test1_dvector ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test2_dvector ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test3_svector ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test1_svector ... ok
[INFO] [stdout] test rk4::tests::test_integrate_test3_dvector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24f1613efb60c11b28309c9723290cc150a687969cf50ba5afa7bfa347922ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f1613efb60c11b28309c9723290cc150a687969cf50ba5afa7bfa347922ddc", kill_on_drop: false }`
[INFO] [stdout] 24f1613efb60c11b28309c9723290cc150a687969cf50ba5afa7bfa347922ddc