[INFO] updating cached repository amilajack/simplex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amilajack/simplex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/simplex" "work/ex/beta-1.38-1/sources/1.37.0/gh/amilajack/simplex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amilajack/simplex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/simplex" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 150bb73de9c710ca1a6209fbd61fdcdcd31472b0
[INFO] sha for GitHub repo amilajack/simplex: 150bb73de9c710ca1a6209fbd61fdcdcd31472b0
[INFO] validating manifest of amilajack/simplex 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 amilajack/simplex 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 amilajack/simplex
[INFO] finished frobbing amilajack/simplex
[INFO] frobbed toml for amilajack/simplex written to work/ex/beta-1.38-1/sources/1.37.0/gh/amilajack/simplex/Cargo.toml
[INFO] started frobbing amilajack/simplex
[INFO] finished frobbing amilajack/simplex
[INFO] frobbed toml for amilajack/simplex written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex/Cargo.toml
[INFO] crate amilajack/simplex 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 amilajack/simplex 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex:/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] 2c4e9989a6985d77527927fd06a540b35583d15425ac9c32ce124501902d1a58
[INFO] running `"docker" "start" "-a" "2c4e9989a6985d77527927fd06a540b35583d15425ac9c32ce124501902d1a58"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `order`
[INFO] [stderr]    --> src/lib.rs:523:5
[INFO] [stderr]     |
[INFO] [stderr] 523 |     order: OrderRel,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cst`
[INFO] [stderr]    --> src/lib.rs:524:5
[INFO] [stderr]     |
[INFO] [stderr] 524 |     cst: F,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `obj_kind`
[INFO] [stderr]    --> src/lib.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     obj_kind: ObjectiveKind,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         write!(f, r"$$ \begin{{array}}{{ccccccccccccccc}}");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `"docker" "inspect" "2c4e9989a6985d77527927fd06a540b35583d15425ac9c32ce124501902d1a58"`
[INFO] running `"docker" "rm" "-f" "2c4e9989a6985d77527927fd06a540b35583d15425ac9c32ce124501902d1a58"`
[INFO] [stdout] 2c4e9989a6985d77527927fd06a540b35583d15425ac9c32ce124501902d1a58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex:/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] 55361aa508ec4cb3d7f2e86893f38b68b127ac00baf2088f843244acbb481b90
[INFO] running `"docker" "start" "-a" "55361aa508ec4cb3d7f2e86893f38b68b127ac00baf2088f843244acbb481b90"`
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `order`
[INFO] [stderr]    --> src/lib.rs:523:5
[INFO] [stderr]     |
[INFO] [stderr] 523 |     order: OrderRel,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cst`
[INFO] [stderr]    --> src/lib.rs:524:5
[INFO] [stderr]     |
[INFO] [stderr] 524 |     cst: F,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `obj_kind`
[INFO] [stderr]    --> src/lib.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     obj_kind: ObjectiveKind,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         write!(f, r"$$ \begin{{array}}{{ccccccccccccccc}}");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "55361aa508ec4cb3d7f2e86893f38b68b127ac00baf2088f843244acbb481b90"`
[INFO] running `"docker" "rm" "-f" "55361aa508ec4cb3d7f2e86893f38b68b127ac00baf2088f843244acbb481b90"`
[INFO] [stdout] 55361aa508ec4cb3d7f2e86893f38b68b127ac00baf2088f843244acbb481b90
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/simplex:/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] d0a5646a0f5ab06f49c55b8f22cb3c470b412cafab3c5fdf51cbc964a6e42ec5
[INFO] running `"docker" "start" "-a" "d0a5646a0f5ab06f49c55b8f22cb3c470b412cafab3c5fdf51cbc964a6e42ec5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplex-579f311e96d9b61b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_at ... ok
[INFO] [stdout] test test::test_leaving_variable ... ok
[INFO] [stdout] test test::testcase_is_integre ... ok
[INFO] [stdout] test test::test_print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplex
[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" "d0a5646a0f5ab06f49c55b8f22cb3c470b412cafab3c5fdf51cbc964a6e42ec5"`
[INFO] running `"docker" "rm" "-f" "d0a5646a0f5ab06f49c55b8f22cb3c470b412cafab3c5fdf51cbc964a6e42ec5"`
[INFO] [stdout] d0a5646a0f5ab06f49c55b8f22cb3c470b412cafab3c5fdf51cbc964a6e42ec5