[INFO] updating cached repository cbreeden/math833_project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cbreeden/math833_project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cbreeden/math833_project" "work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cbreeden/math833_project" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/math833_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/math833_project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b651e86b4695f2883ac61eb246719128584a3258
[INFO] sha for GitHub repo cbreeden/math833_project: b651e86b4695f2883ac61eb246719128584a3258
[INFO] validating manifest of cbreeden/math833_project 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 cbreeden/math833_project 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 cbreeden/math833_project
[INFO] finished frobbing cbreeden/math833_project
[INFO] frobbed toml for cbreeden/math833_project written to work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project/Cargo.toml
[INFO] started frobbing cbreeden/math833_project
[INFO] finished frobbing cbreeden/math833_project
[INFO] frobbed toml for cbreeden/math833_project written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/math833_project/Cargo.toml
[INFO] crate cbreeden/math833_project 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 cbreeden/math833_project 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project:/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] 7db0a7b8b282074d3f3eb11e70a0a88ba2cbe72da01be317018ec8b7322184f7
[INFO] running `"docker" "start" "-a" "7db0a7b8b282074d3f3eb11e70a0a88ba2cbe72da01be317018ec8b7322184f7"`
[INFO] [stderr]    Compiling gnuplot v0.0.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling statrs v0.6.0
[INFO] [stderr]    Compiling project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `"docker" "inspect" "7db0a7b8b282074d3f3eb11e70a0a88ba2cbe72da01be317018ec8b7322184f7"`
[INFO] running `"docker" "rm" "-f" "7db0a7b8b282074d3f3eb11e70a0a88ba2cbe72da01be317018ec8b7322184f7"`
[INFO] [stdout] 7db0a7b8b282074d3f3eb11e70a0a88ba2cbe72da01be317018ec8b7322184f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project:/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] 17ae5f60b4519ce8570be3edcba5c3a03b3aabf4c9f0684ffe51a6b9cc42f364
[INFO] running `"docker" "start" "-a" "17ae5f60b4519ce8570be3edcba5c3a03b3aabf4c9f0684ffe51a6b9cc42f364"`
[INFO] [stderr]    Compiling project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Axis`
[INFO] [stderr]    --> src/markov2011.rs:124:62
[INFO] [stderr]     |
[INFO] [stderr] 124 |     use gnuplot::{Figure, Caption, Color, AutoOption, Graph, Axis};
[INFO] [stderr]     |                                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "17ae5f60b4519ce8570be3edcba5c3a03b3aabf4c9f0684ffe51a6b9cc42f364"`
[INFO] running `"docker" "rm" "-f" "17ae5f60b4519ce8570be3edcba5c3a03b3aabf4c9f0684ffe51a6b9cc42f364"`
[INFO] [stdout] 17ae5f60b4519ce8570be3edcba5c3a03b3aabf4c9f0684ffe51a6b9cc42f364
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/math833_project:/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] 7a2746cf02c81647708cb05531a65b6a235d24b020e41f2ae3ca3791f5f051bf
[INFO] running `"docker" "start" "-a" "7a2746cf02c81647708cb05531a65b6a235d24b020e41f2ae3ca3791f5f051bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/project-75a69331617b3980
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test markov2011::test::plot_functions ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7a2746cf02c81647708cb05531a65b6a235d24b020e41f2ae3ca3791f5f051bf"`
[INFO] running `"docker" "rm" "-f" "7a2746cf02c81647708cb05531a65b6a235d24b020e41f2ae3ca3791f5f051bf"`
[INFO] [stdout] 7a2746cf02c81647708cb05531a65b6a235d24b020e41f2ae3ca3791f5f051bf