[INFO] cloning repository https://github.com/amilajack/simplex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amilajack/simplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Familajack%2Fsimplex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Familajack%2Fsimplex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 150bb73de9c710ca1a6209fbd61fdcdcd31472b0
[INFO] testing amilajack/simplex against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Familajack%2Fsimplex" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amilajack/simplex on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amilajack/simplex
[INFO] finished tweaking git repo https://github.com/amilajack/simplex
[INFO] tweaked toml for git repo https://github.com/amilajack/simplex written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/amilajack/simplex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06f991d08f958411bf02afc5279f8223612d4c74e7fc61ac2aedd319c08bcf75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06f991d08f958411bf02afc5279f8223612d4c74e7fc61ac2aedd319c08bcf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f991d08f958411bf02afc5279f8223612d4c74e7fc61ac2aedd319c08bcf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f991d08f958411bf02afc5279f8223612d4c74e7fc61ac2aedd319c08bcf75", kill_on_drop: false }`
[INFO] [stdout] 06f991d08f958411bf02afc5279f8223612d4c74e7fc61ac2aedd319c08bcf75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b3d32bd86ec6116c79edca0d6004367ddbaef9dec62ed7ced392923c7bf243
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82b3d32bd86ec6116c79edca0d6004367ddbaef9dec62ed7ced392923c7bf243", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/lib.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 523 |     order: OrderRel,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cst`
[INFO] [stdout]    --> src/lib.rs:524:5
[INFO] [stdout]     |
[INFO] [stdout] 524 |     cst: F,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `obj_kind`
[INFO] [stdout]    --> src/lib.rs:536:5
[INFO] [stdout]     |
[INFO] [stdout] 536 |     obj_kind: ObjectiveKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         write!(f, r"$$ \begin{{array}}{{ccccccccccccccc}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "82b3d32bd86ec6116c79edca0d6004367ddbaef9dec62ed7ced392923c7bf243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b3d32bd86ec6116c79edca0d6004367ddbaef9dec62ed7ced392923c7bf243", kill_on_drop: false }`
[INFO] [stdout] 82b3d32bd86ec6116c79edca0d6004367ddbaef9dec62ed7ced392923c7bf243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bac858e7267b721e1fa1d6b58c8a3cda19f9ae4abcb3be478d5cd265b5d633
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5bac858e7267b721e1fa1d6b58c8a3cda19f9ae4abcb3be478d5cd265b5d633", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/lib.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 523 |     order: OrderRel,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cst`
[INFO] [stdout]    --> src/lib.rs:524:5
[INFO] [stdout]     |
[INFO] [stdout] 524 |     cst: F,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `obj_kind`
[INFO] [stdout]    --> src/lib.rs:536:5
[INFO] [stdout]     |
[INFO] [stdout] 536 |     obj_kind: ObjectiveKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         write!(f, r"$$ \begin{{array}}{{ccccccccccccccc}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `order`
[INFO] [stdout]    --> src/lib.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 523 |     order: OrderRel,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cst`
[INFO] [stdout]    --> src/lib.rs:524:5
[INFO] [stdout]     |
[INFO] [stdout] 524 |     cst: F,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `obj_kind`
[INFO] [stdout]    --> src/lib.rs:536:5
[INFO] [stdout]     |
[INFO] [stdout] 536 |     obj_kind: ObjectiveKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         write!(f, r"$$ \begin{{array}}{{ccccccccccccccc}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "c5bac858e7267b721e1fa1d6b58c8a3cda19f9ae4abcb3be478d5cd265b5d633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bac858e7267b721e1fa1d6b58c8a3cda19f9ae4abcb3be478d5cd265b5d633", kill_on_drop: false }`
[INFO] [stdout] c5bac858e7267b721e1fa1d6b58c8a3cda19f9ae4abcb3be478d5cd265b5d633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 034b44c2c415e78762d101763dbe5d454426ca6777f658ab8d8a50012ba175da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "034b44c2c415e78762d101763dbe5d454426ca6777f658ab8d8a50012ba175da", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplex-5e5ca71901709573
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_print ... ok
[INFO] [stdout] test test::testcase_is_integre ... ok
[INFO] [stdout] test test::test_at ... ok
[INFO] [stdout] test test::test_leaving_variable ... 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 `Command { std: "docker" "inspect" "034b44c2c415e78762d101763dbe5d454426ca6777f658ab8d8a50012ba175da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034b44c2c415e78762d101763dbe5d454426ca6777f658ab8d8a50012ba175da", kill_on_drop: false }`
[INFO] [stdout] 034b44c2c415e78762d101763dbe5d454426ca6777f658ab8d8a50012ba175da