[INFO] crate vegas-rs 0.1.0 is already in cache
[INFO] extracting crate vegas-rs 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/vegas-rs/0.1.0
[INFO] extracting crate vegas-rs 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vegas-rs/0.1.0
[INFO] validating manifest of vegas-rs-0.1.0 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 vegas-rs-0.1.0 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 vegas-rs-0.1.0
[INFO] finished frobbing vegas-rs-0.1.0
[INFO] frobbed toml for vegas-rs-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vegas-rs/0.1.0/Cargo.toml
[INFO] started frobbing vegas-rs-0.1.0
[INFO] finished frobbing vegas-rs-0.1.0
[INFO] frobbed toml for vegas-rs-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vegas-rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing vegas-rs-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vegas-rs/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2c8d94276dd3fcd63a01e141e6f0674ce03790d0c47e8d4e7d5d3ed7f400e4a4
[INFO] running `"docker" "start" "-a" "2c8d94276dd3fcd63a01e141e6f0674ce03790d0c47e8d4e7d5d3ed7f400e4a4"`
[INFO] [stderr]    Compiling vegas-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `state::StateConstructors`
[INFO] [stderr]  --> src/vegas/integrator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use state::StateConstructors;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Locator`
[INFO] [stderr]    --> src/vegas/lattice.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | struct Locator {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `locate`
[INFO] [stderr]    --> src/vegas/lattice.rs:377:5
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn locate(&self, site: &Site) -> Option<(f64, f64, f64)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `for_cubic`
[INFO] [stderr]    --> src/vegas/lattice.rs:396:5
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn for_cubic(a: f64) -> Locator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "2c8d94276dd3fcd63a01e141e6f0674ce03790d0c47e8d4e7d5d3ed7f400e4a4"`
[INFO] running `"docker" "rm" "-f" "2c8d94276dd3fcd63a01e141e6f0674ce03790d0c47e8d4e7d5d3ed7f400e4a4"`
[INFO] [stdout] 2c8d94276dd3fcd63a01e141e6f0674ce03790d0c47e8d4e7d5d3ed7f400e4a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vegas-rs/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 288ac1f8ce153ce6664ffb14e0053955f79df2ea6ce61620656280956ba6181e
[INFO] running `"docker" "start" "-a" "288ac1f8ce153ce6664ffb14e0053955f79df2ea6ce61620656280956ba6181e"`
[INFO] [stderr]    Compiling vegas-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `state::StateConstructors`
[INFO] [stderr]  --> src/vegas/integrator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use state::StateConstructors;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Locator`
[INFO] [stderr]    --> src/vegas/lattice.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | struct Locator {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `locate`
[INFO] [stderr]    --> src/vegas/lattice.rs:377:5
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn locate(&self, site: &Site) -> Option<(f64, f64, f64)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `for_cubic`
[INFO] [stderr]    --> src/vegas/lattice.rs:396:5
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn for_cubic(a: f64) -> Locator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "288ac1f8ce153ce6664ffb14e0053955f79df2ea6ce61620656280956ba6181e"`
[INFO] running `"docker" "rm" "-f" "288ac1f8ce153ce6664ffb14e0053955f79df2ea6ce61620656280956ba6181e"`
[INFO] [stdout] 288ac1f8ce153ce6664ffb14e0053955f79df2ea6ce61620656280956ba6181e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vegas-rs/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 62e5388c28e8f255b1a5367c1681860b7d699c23c0d209a2b63eb5f0a43afb5c
[INFO] running `"docker" "start" "-a" "62e5388c28e8f255b1a5367c1681860b7d699c23c0d209a2b63eb5f0a43afb5c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vegas-8d59cf0b9bc5bfc6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test util::super_mod_works_as_in_python ... ok
[INFO] [stdout] test util::from_main ... ok
[INFO] [stdout] test lattice::testing_the_inside ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vegas-4222d2bc0048a641
[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] [stderr]    Doc-tests vegas
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/vegas/util.rs - util::super_mod (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "62e5388c28e8f255b1a5367c1681860b7d699c23c0d209a2b63eb5f0a43afb5c"`
[INFO] running `"docker" "rm" "-f" "62e5388c28e8f255b1a5367c1681860b7d699c23c0d209a2b63eb5f0a43afb5c"`
[INFO] [stdout] 62e5388c28e8f255b1a5367c1681860b7d699c23c0d209a2b63eb5f0a43afb5c