[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linprog 0.3.1
[INFO] finished tweaking crates.io crate linprog 0.3.1
[INFO] tweaked toml for crates.io crate linprog 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5832978b72a732063a90abe3e8477814c379ebf5f2c7d7325027770ff2e6b41
[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" "d5832978b72a732063a90abe3e8477814c379ebf5f2c7d7325027770ff2e6b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5832978b72a732063a90abe3e8477814c379ebf5f2c7d7325027770ff2e6b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5832978b72a732063a90abe3e8477814c379ebf5f2c7d7325027770ff2e6b41", kill_on_drop: false }`
[INFO] [stdout] d5832978b72a732063a90abe3e8477814c379ebf5f2c7d7325027770ff2e6b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01d7b720bc2860ac01057a328e125bc21fdabd8f31ca497769179f7059ef0d6e
[INFO] running `Command { std: "docker" "start" "-a" "01d7b720bc2860ac01057a328e125bc21fdabd8f31ca497769179f7059ef0d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "01d7b720bc2860ac01057a328e125bc21fdabd8f31ca497769179f7059ef0d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d7b720bc2860ac01057a328e125bc21fdabd8f31ca497769179f7059ef0d6e", kill_on_drop: false }`
[INFO] [stdout] 01d7b720bc2860ac01057a328e125bc21fdabd8f31ca497769179f7059ef0d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12b01a528653cbfbcd39c8b618216ebfd1fc0defb2621c8800fa4d10796be10c
[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" "12b01a528653cbfbcd39c8b618216ebfd1fc0defb2621c8800fa4d10796be10c", kill_on_drop: false }`
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "12b01a528653cbfbcd39c8b618216ebfd1fc0defb2621c8800fa4d10796be10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b01a528653cbfbcd39c8b618216ebfd1fc0defb2621c8800fa4d10796be10c", kill_on_drop: false }`
[INFO] [stdout] 12b01a528653cbfbcd39c8b618216ebfd1fc0defb2621c8800fa4d10796be10c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dde4f694a900402f0a03bf094e60ab8e9131a8570ce278e24a183f526ed02ccd
[INFO] running `Command { std: "docker" "start" "-a" "dde4f694a900402f0a03bf094e60ab8e9131a8570ce278e24a183f526ed02ccd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linprog-64d98f7a81920447)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test tests::reg_constr ... ok
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::update_indirect ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stdout] test tests::x - should panic ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-3090ee3e5febe54d)
[INFO] [stdout] test tests::panic_reg_var - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test solve_2 ... ok
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test solve_3 ... ok
[INFO] [stderr]    Doc-tests linprog
[INFO] [stdout] test readme_example_story ... ok
[INFO] [stdout] test readme_example ... ok
[INFO] [stdout] test solve_1 ... ok
[INFO] [stdout] test solve_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dde4f694a900402f0a03bf094e60ab8e9131a8570ce278e24a183f526ed02ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde4f694a900402f0a03bf094e60ab8e9131a8570ce278e24a183f526ed02ccd", kill_on_drop: false }`
[INFO] [stdout] dde4f694a900402f0a03bf094e60ab8e9131a8570ce278e24a183f526ed02ccd