[INFO] updating cached repository 3c1u/nareport01
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/3c1u/nareport01
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/3c1u/nareport01" "work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/3c1u/nareport01" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3c1u/nareport01"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3c1u/nareport01'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f72dedee7507d23a486d20f0299646b7dd56fc8
[INFO] sha for GitHub repo 3c1u/nareport01: 8f72dedee7507d23a486d20f0299646b7dd56fc8
[INFO] validating manifest of 3c1u/nareport01 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 3c1u/nareport01 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 3c1u/nareport01
[INFO] finished frobbing 3c1u/nareport01
[INFO] frobbed toml for 3c1u/nareport01 written to work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01/Cargo.toml
[INFO] started frobbing 3c1u/nareport01
[INFO] finished frobbing 3c1u/nareport01
[INFO] frobbed toml for 3c1u/nareport01 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3c1u/nareport01/Cargo.toml
[INFO] crate 3c1u/nareport01 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 3c1u/nareport01 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eb9b651eda30b890db841df56a482f98b7e60f47282601a60aa377e8b6b8921a
[INFO] running `"docker" "start" "-a" "eb9b651eda30b890db841df56a482f98b7e60f47282601a60aa377e8b6b8921a"`
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling yp01_program v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `solve_na`
[INFO] [stderr]  --> src/nalgebra_solver.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn solve_na<T: AsRef<[f64]>>(a: &[T], b: &[f64], ans: &mut [f64]) -> Option<()> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.30s
[INFO] running `"docker" "inspect" "eb9b651eda30b890db841df56a482f98b7e60f47282601a60aa377e8b6b8921a"`
[INFO] running `"docker" "rm" "-f" "eb9b651eda30b890db841df56a482f98b7e60f47282601a60aa377e8b6b8921a"`
[INFO] [stdout] eb9b651eda30b890db841df56a482f98b7e60f47282601a60aa377e8b6b8921a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fa33eb675be1970f16595f0e4a794776d68da282ec53a2a87eafbd1421a1c276
[INFO] running `"docker" "start" "-a" "fa33eb675be1970f16595f0e4a794776d68da282ec53a2a87eafbd1421a1c276"`
[INFO] [stderr]    Compiling yp01_program v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `solve_na`
[INFO] [stderr]  --> src/nalgebra_solver.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn solve_na<T: AsRef<[f64]>>(a: &[T], b: &[f64], ans: &mut [f64]) -> Option<()> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "fa33eb675be1970f16595f0e4a794776d68da282ec53a2a87eafbd1421a1c276"`
[INFO] running `"docker" "rm" "-f" "fa33eb675be1970f16595f0e4a794776d68da282ec53a2a87eafbd1421a1c276"`
[INFO] [stdout] fa33eb675be1970f16595f0e4a794776d68da282ec53a2a87eafbd1421a1c276
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/3c1u/nareport01:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 774cbe5e3fbb5b8576c55e6f7cc824a2d5335a2cf872886e20309ff356459775
[INFO] running `"docker" "start" "-a" "774cbe5e3fbb5b8576c55e6f7cc824a2d5335a2cf872886e20309ff356459775"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yp01_program-e73393024fe588ee
[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" "774cbe5e3fbb5b8576c55e6f7cc824a2d5335a2cf872886e20309ff356459775"`
[INFO] running `"docker" "rm" "-f" "774cbe5e3fbb5b8576c55e6f7cc824a2d5335a2cf872886e20309ff356459775"`
[INFO] [stdout] 774cbe5e3fbb5b8576c55e6f7cc824a2d5335a2cf872886e20309ff356459775