[INFO] updating cached repository zsugabubus/toy-linalg-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zsugabubus/toy-linalg-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zsugabubus/toy-linalg-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zsugabubus/toy-linalg-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zsugabubus/toy-linalg-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zsugabubus/toy-linalg-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ca10759d1288eba5af6b171e9a1c82f4e78a6f0
[INFO] sha for GitHub repo zsugabubus/toy-linalg-rs: 7ca10759d1288eba5af6b171e9a1c82f4e78a6f0
[INFO] validating manifest of zsugabubus/toy-linalg-rs 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 zsugabubus/toy-linalg-rs 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 zsugabubus/toy-linalg-rs
[INFO] finished frobbing zsugabubus/toy-linalg-rs
[INFO] frobbed toml for zsugabubus/toy-linalg-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs/Cargo.toml
[INFO] started frobbing zsugabubus/toy-linalg-rs
[INFO] finished frobbing zsugabubus/toy-linalg-rs
[INFO] frobbed toml for zsugabubus/toy-linalg-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zsugabubus/toy-linalg-rs/Cargo.toml
[INFO] crate zsugabubus/toy-linalg-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zsugabubus/toy-linalg-rs 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs:/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] 9b5e82edc81da5e90a7ac8553fbe5126a4c00d81353e65135794a0d782e68bd5
[INFO] running `"docker" "start" "-a" "9b5e82edc81da5e90a7ac8553fbe5126a4c00d81353e65135794a0d782e68bd5"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling linalg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `density`
[INFO] [stderr]    --> src/linalg.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn density(&self) -> (usize, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/linalg.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     pub fn new(shape: Index) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/linalg.rs:560:5
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn new(shape: Index2) -> UpperTriangularMatrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.52s
[INFO] running `"docker" "inspect" "9b5e82edc81da5e90a7ac8553fbe5126a4c00d81353e65135794a0d782e68bd5"`
[INFO] running `"docker" "rm" "-f" "9b5e82edc81da5e90a7ac8553fbe5126a4c00d81353e65135794a0d782e68bd5"`
[INFO] [stdout] 9b5e82edc81da5e90a7ac8553fbe5126a4c00d81353e65135794a0d782e68bd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs:/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] ab115fe4ec2996018bcc9d6b8327333a55fab211fdcc0e14922ca65061fa69fb
[INFO] running `"docker" "start" "-a" "ab115fe4ec2996018bcc9d6b8327333a55fab211fdcc0e14922ca65061fa69fb"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling linalg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `density`
[INFO] [stderr]    --> src/linalg.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn density(&self) -> (usize, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/linalg.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     pub fn new(shape: Index) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/linalg.rs:560:5
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn new(shape: Index2) -> UpperTriangularMatrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "ab115fe4ec2996018bcc9d6b8327333a55fab211fdcc0e14922ca65061fa69fb"`
[INFO] running `"docker" "rm" "-f" "ab115fe4ec2996018bcc9d6b8327333a55fab211fdcc0e14922ca65061fa69fb"`
[INFO] [stdout] ab115fe4ec2996018bcc9d6b8327333a55fab211fdcc0e14922ca65061fa69fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zsugabubus/toy-linalg-rs:/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] 5deacb3e2d00b7cb2c06ca3daef78ccbd468167175c8f0343a47c9ebd97efd2b
[INFO] running `"docker" "start" "-a" "5deacb3e2d00b7cb2c06ca3daef78ccbd468167175c8f0343a47c9ebd97efd2b"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linalg-efab73373bd5058c
[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" "5deacb3e2d00b7cb2c06ca3daef78ccbd468167175c8f0343a47c9ebd97efd2b"`
[INFO] running `"docker" "rm" "-f" "5deacb3e2d00b7cb2c06ca3daef78ccbd468167175c8f0343a47c9ebd97efd2b"`
[INFO] [stdout] 5deacb3e2d00b7cb2c06ca3daef78ccbd468167175c8f0343a47c9ebd97efd2b