[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1ea02fa58bd8e17c3f4175cd8297018b952f3456899a6e6c372242600adcd1e
[INFO] running `Command { std: "docker" "start" "-a" "a1ea02fa58bd8e17c3f4175cd8297018b952f3456899a6e6c372242600adcd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1ea02fa58bd8e17c3f4175cd8297018b952f3456899a6e6c372242600adcd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ea02fa58bd8e17c3f4175cd8297018b952f3456899a6e6c372242600adcd1e", kill_on_drop: false }`
[INFO] [stdout] a1ea02fa58bd8e17c3f4175cd8297018b952f3456899a6e6c372242600adcd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a8c3b3d9ce316558bcc08e02a87bffae93cd69a75f2d8541305ef6cc6254aa
[INFO] running `Command { std: "docker" "start" "-a" "d1a8c3b3d9ce316558bcc08e02a87bffae93cd69a75f2d8541305ef6cc6254aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.47s
[INFO] running `Command { std: "docker" "inspect" "d1a8c3b3d9ce316558bcc08e02a87bffae93cd69a75f2d8541305ef6cc6254aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a8c3b3d9ce316558bcc08e02a87bffae93cd69a75f2d8541305ef6cc6254aa", kill_on_drop: false }`
[INFO] [stdout] d1a8c3b3d9ce316558bcc08e02a87bffae93cd69a75f2d8541305ef6cc6254aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ddda777232918190be565c1126b951206c5be0ceca1ac1cac375b2395661ed6
[INFO] running `Command { std: "docker" "start" "-a" "7ddda777232918190be565c1126b951206c5be0ceca1ac1cac375b2395661ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "7ddda777232918190be565c1126b951206c5be0ceca1ac1cac375b2395661ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddda777232918190be565c1126b951206c5be0ceca1ac1cac375b2395661ed6", kill_on_drop: false }`
[INFO] [stdout] 7ddda777232918190be565c1126b951206c5be0ceca1ac1cac375b2395661ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5aede523ab2ccebc1b5112b198b380f0bc5022d966706d7012abbdd2b90cbcd
[INFO] running `Command { std: "docker" "start" "-a" "d5aede523ab2ccebc1b5112b198b380f0bc5022d966706d7012abbdd2b90cbcd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linprog-f9ab7ab1daa0e0a8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test tests::reg_constr ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stdout] test tests::update_indirect ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-f0c8a22aba1a89ae)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test readme_example ... ok
[INFO] [stdout] test solve_1 ... ok
[INFO] [stdout] test solve_5 ... ok
[INFO] [stdout] test solve_2 ... ok
[INFO] [stderr]    Doc-tests linprog
[INFO] [stdout] test solve_3 ... ok
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test readme_example_story ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "d5aede523ab2ccebc1b5112b198b380f0bc5022d966706d7012abbdd2b90cbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5aede523ab2ccebc1b5112b198b380f0bc5022d966706d7012abbdd2b90cbcd", kill_on_drop: false }`
[INFO] [stdout] d5aede523ab2ccebc1b5112b198b380f0bc5022d966706d7012abbdd2b90cbcd