[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dc4d1c958d34e7322c208552a69587805aa8477c6477bd85e94aa80d43a8884
[INFO] running `Command { std: "docker" "start" "-a" "0dc4d1c958d34e7322c208552a69587805aa8477c6477bd85e94aa80d43a8884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dc4d1c958d34e7322c208552a69587805aa8477c6477bd85e94aa80d43a8884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc4d1c958d34e7322c208552a69587805aa8477c6477bd85e94aa80d43a8884", kill_on_drop: false }`
[INFO] [stdout] 0dc4d1c958d34e7322c208552a69587805aa8477c6477bd85e94aa80d43a8884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 930bb48c7b526a492a0cb5a8de3fa3aa5391ed31ecd3b733f72e54d3ab9b8065
[INFO] running `Command { std: "docker" "start" "-a" "930bb48c7b526a492a0cb5a8de3fa3aa5391ed31ecd3b733f72e54d3ab9b8065", kill_on_drop: false }`
[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 1.06s
[INFO] running `Command { std: "docker" "inspect" "930bb48c7b526a492a0cb5a8de3fa3aa5391ed31ecd3b733f72e54d3ab9b8065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930bb48c7b526a492a0cb5a8de3fa3aa5391ed31ecd3b733f72e54d3ab9b8065", kill_on_drop: false }`
[INFO] [stdout] 930bb48c7b526a492a0cb5a8de3fa3aa5391ed31ecd3b733f72e54d3ab9b8065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04056682d76347bcd8082aa9616a86559d70a3611909f41cc5a5fede64593dc8
[INFO] running `Command { std: "docker" "start" "-a" "04056682d76347bcd8082aa9616a86559d70a3611909f41cc5a5fede64593dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "04056682d76347bcd8082aa9616a86559d70a3611909f41cc5a5fede64593dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04056682d76347bcd8082aa9616a86559d70a3611909f41cc5a5fede64593dc8", kill_on_drop: false }`
[INFO] [stdout] 04056682d76347bcd8082aa9616a86559d70a3611909f41cc5a5fede64593dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b191ee295ae77a51c7722ffbc9405fe26b1837ad5fb4ec2546f56e1f70685cc
[INFO] running `Command { std: "docker" "start" "-a" "5b191ee295ae77a51c7722ffbc9405fe26b1837ad5fb4ec2546f56e1f70685cc", 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-d9014de5ef91d595)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test tests::update_indirect ... ok
[INFO] [stdout] test tests::reg_constr ... ok
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-e8c5ee9706be8265)
[INFO] [stdout] test tests::panic_reg_var - should panic ... ok
[INFO] [stdout] test tests::x - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test readme_example_story ... ok
[INFO] [stdout] test solve_2 ... ok
[INFO] [stdout] test solve_5 ... ok
[INFO] [stdout] test solve_3 ... ok
[INFO] [stdout] test readme_example ... ok
[INFO] [stdout] test solve_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linprog
[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" "5b191ee295ae77a51c7722ffbc9405fe26b1837ad5fb4ec2546f56e1f70685cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b191ee295ae77a51c7722ffbc9405fe26b1837ad5fb4ec2546f56e1f70685cc", kill_on_drop: false }`
[INFO] [stdout] 5b191ee295ae77a51c7722ffbc9405fe26b1837ad5fb4ec2546f56e1f70685cc