[INFO] crate mathl 0.0.2 is already in cache
[INFO] extracting crate mathl 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/mathl/0.0.2
[INFO] extracting crate mathl 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mathl/0.0.2
[INFO] validating manifest of mathl-0.0.2 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 mathl-0.0.2 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 mathl-0.0.2
[INFO] finished frobbing mathl-0.0.2
[INFO] frobbed toml for mathl-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mathl/0.0.2/Cargo.toml
[INFO] started frobbing mathl-0.0.2
[INFO] finished frobbing mathl-0.0.2
[INFO] frobbed toml for mathl-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mathl/0.0.2/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mathl-0.0.2 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-6/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/mathl/0.0.2:/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] 251ca9e4a7b169aeaf09d9ca73c5baa05ee67b7ff06d0c4b08d253a399f6ec18
[INFO] running `"docker" "start" "-a" "251ca9e4a7b169aeaf09d9ca73c5baa05ee67b7ff06d0c4b08d253a399f6ec18"`
[INFO] [stderr]    Compiling mathl v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `vec2_zero`
[INFO] [stderr]  --> src/vec.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn vec2_zero() -> [f64; 2] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec3_zero`
[INFO] [stderr]  --> src/vec.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn vec3_zero() -> [f64; 3] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec4_zero`
[INFO] [stderr]   --> src/vec.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn vec4_zero() -> [f64; 4] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mat2x2_zero`
[INFO] [stderr]  --> src/mat.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn mat2x2_zero() -> [[f64; 2]; 2] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lu_decomp`
[INFO] [stderr]  --> src/linear_algebra.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn lu_decomp() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "251ca9e4a7b169aeaf09d9ca73c5baa05ee67b7ff06d0c4b08d253a399f6ec18"`
[INFO] running `"docker" "rm" "-f" "251ca9e4a7b169aeaf09d9ca73c5baa05ee67b7ff06d0c4b08d253a399f6ec18"`
[INFO] [stdout] 251ca9e4a7b169aeaf09d9ca73c5baa05ee67b7ff06d0c4b08d253a399f6ec18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/mathl/0.0.2:/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] 1556a05a847b049e434fa67498cb97c7fd11df5f9aa1153433fe3203c750fa99
[INFO] running `"docker" "start" "-a" "1556a05a847b049e434fa67498cb97c7fd11df5f9aa1153433fe3203c750fa99"`
[INFO] [stderr]    Compiling mathl v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `linear_algebra`
[INFO] [stderr]  --> src/test/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use linear_algebra;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec2_zero`
[INFO] [stderr]  --> src/vec.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn vec2_zero() -> [f64; 2] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec3_zero`
[INFO] [stderr]  --> src/vec.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn vec3_zero() -> [f64; 3] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec4_zero`
[INFO] [stderr]   --> src/vec.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn vec4_zero() -> [f64; 4] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lu_decomp`
[INFO] [stderr]  --> src/linear_algebra.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn lu_decomp() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "1556a05a847b049e434fa67498cb97c7fd11df5f9aa1153433fe3203c750fa99"`
[INFO] running `"docker" "rm" "-f" "1556a05a847b049e434fa67498cb97c7fd11df5f9aa1153433fe3203c750fa99"`
[INFO] [stdout] 1556a05a847b049e434fa67498cb97c7fd11df5f9aa1153433fe3203c750fa99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/mathl/0.0.2:/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] 92013c41c9aaa01d99039972d528f9c8dd586cb0b10731ce09a2ece9b5c3eccf
[INFO] running `"docker" "start" "-a" "92013c41c9aaa01d99039972d528f9c8dd586cb0b10731ce09a2ece9b5c3eccf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mathl-8f5d74159db70d9b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::it_works ... ok
[INFO] [stderr]    Doc-tests mathl
[INFO] [stdout] test test::mat2x2_has_right_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "92013c41c9aaa01d99039972d528f9c8dd586cb0b10731ce09a2ece9b5c3eccf"`
[INFO] running `"docker" "rm" "-f" "92013c41c9aaa01d99039972d528f9c8dd586cb0b10731ce09a2ece9b5c3eccf"`
[INFO] [stdout] 92013c41c9aaa01d99039972d528f9c8dd586cb0b10731ce09a2ece9b5c3eccf