[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 390e7bdbdef177ebcde6890f4c2b353b0a8f16f5944c7b27c28846dc8a641fec
[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" "390e7bdbdef177ebcde6890f4c2b353b0a8f16f5944c7b27c28846dc8a641fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390e7bdbdef177ebcde6890f4c2b353b0a8f16f5944c7b27c28846dc8a641fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390e7bdbdef177ebcde6890f4c2b353b0a8f16f5944c7b27c28846dc8a641fec", kill_on_drop: false }`
[INFO] [stdout] 390e7bdbdef177ebcde6890f4c2b353b0a8f16f5944c7b27c28846dc8a641fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 28015aa83d3df5663b50b6ca7da60d7d293bd5a5901bc09d28d8978b1bbffe3b
[INFO] running `Command { std: "docker" "start" "-a" "28015aa83d3df5663b50b6ca7da60d7d293bd5a5901bc09d28d8978b1bbffe3b", kill_on_drop: false }`
[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 2.04s
[INFO] running `Command { std: "docker" "inspect" "28015aa83d3df5663b50b6ca7da60d7d293bd5a5901bc09d28d8978b1bbffe3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28015aa83d3df5663b50b6ca7da60d7d293bd5a5901bc09d28d8978b1bbffe3b", kill_on_drop: false }`
[INFO] [stdout] 28015aa83d3df5663b50b6ca7da60d7d293bd5a5901bc09d28d8978b1bbffe3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 952f616453f4266a05b08174b327fd34e8257511be89c9f722daf119d6b0eba1
[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" "952f616453f4266a05b08174b327fd34e8257511be89c9f722daf119d6b0eba1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "952f616453f4266a05b08174b327fd34e8257511be89c9f722daf119d6b0eba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952f616453f4266a05b08174b327fd34e8257511be89c9f722daf119d6b0eba1", kill_on_drop: false }`
[INFO] [stdout] 952f616453f4266a05b08174b327fd34e8257511be89c9f722daf119d6b0eba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bb1e1fff4745037ef13bf35a768c89bfaaf355b00d436ed570623d80e7c7d2b
[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" "6bb1e1fff4745037ef13bf35a768c89bfaaf355b00d436ed570623d80e7c7d2b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linprog-bac889eb2b6494fc
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::reg_constr ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-338004d2b8482f3a
[INFO] [stdout] test tests::update_indirect ... ok
[INFO] [stdout] test tests::panic_reg_var ... ok
[INFO] [stdout] test tests::x ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests linprog
[INFO] [stdout] test solve_3 ... ok
[INFO] [stdout] test solve_2 ... ok
[INFO] [stdout] test solve_1 ... ok
[INFO] [stdout] test readme_example_story ... ok
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test readme_example ... 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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6bb1e1fff4745037ef13bf35a768c89bfaaf355b00d436ed570623d80e7c7d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb1e1fff4745037ef13bf35a768c89bfaaf355b00d436ed570623d80e7c7d2b", kill_on_drop: false }`
[INFO] [stdout] 6bb1e1fff4745037ef13bf35a768c89bfaaf355b00d436ed570623d80e7c7d2b