[INFO] fetching crate calculi 0.2.0...
[INFO] testing calculi-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate calculi 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate calculi 0.2.0 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 calculi 0.2.0
[INFO] finished tweaking crates.io crate calculi 0.2.0
[INFO] tweaked toml for crates.io crate calculi 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 361e2d6adf3d325a9b858e5b00c89a41ce3e5bff7efc0a670f8f632da463361f
[INFO] running `Command { std: "docker" "start" "-a" "361e2d6adf3d325a9b858e5b00c89a41ce3e5bff7efc0a670f8f632da463361f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361e2d6adf3d325a9b858e5b00c89a41ce3e5bff7efc0a670f8f632da463361f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361e2d6adf3d325a9b858e5b00c89a41ce3e5bff7efc0a670f8f632da463361f", kill_on_drop: false }`
[INFO] [stdout] 361e2d6adf3d325a9b858e5b00c89a41ce3e5bff7efc0a670f8f632da463361f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 84618cab99f2884765358ff4d13c6679bc03aa7a6c795e4cc46a7950f2c67593
[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" "84618cab99f2884765358ff4d13c6679bc03aa7a6c795e4cc46a7950f2c67593", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "84618cab99f2884765358ff4d13c6679bc03aa7a6c795e4cc46a7950f2c67593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84618cab99f2884765358ff4d13c6679bc03aa7a6c795e4cc46a7950f2c67593", kill_on_drop: false }`
[INFO] [stdout] 84618cab99f2884765358ff4d13c6679bc03aa7a6c795e4cc46a7950f2c67593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3030bf114489de9349650d629f38dc612afbab5c7d7a5b7a169f2506ffc26852
[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" "3030bf114489de9349650d629f38dc612afbab5c7d7a5b7a169f2506ffc26852", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "3030bf114489de9349650d629f38dc612afbab5c7d7a5b7a169f2506ffc26852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3030bf114489de9349650d629f38dc612afbab5c7d7a5b7a169f2506ffc26852", kill_on_drop: false }`
[INFO] [stdout] 3030bf114489de9349650d629f38dc612afbab5c7d7a5b7a169f2506ffc26852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8479b0d7ef9695bb6f3f3cc37702eeaa63188b610732d7d20f5ec89c8f38e589
[INFO] running `Command { std: "docker" "start" "-a" "8479b0d7ef9695bb6f3f3cc37702eeaa63188b610732d7d20f5ec89c8f38e589", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculi-c9a2a0cc2dd4da76
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests calculi
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/equation.rs - equation::Equation::new (line 33) ... ok
[INFO] [stdout] test src/equation.rs - equation::Equation::derive (line 253) ... ok
[INFO] [stdout] test src/component.rs - component::Component::to_float (line 65) ... ok
[INFO] [stdout] test src/equation.rs - equation::Equation::solve_with (line 265) ... ok
[INFO] [stdout] test src/equation.rs - equation::Equation::solve_for (line 279) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8479b0d7ef9695bb6f3f3cc37702eeaa63188b610732d7d20f5ec89c8f38e589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8479b0d7ef9695bb6f3f3cc37702eeaa63188b610732d7d20f5ec89c8f38e589", kill_on_drop: false }`
[INFO] [stdout] 8479b0d7ef9695bb6f3f3cc37702eeaa63188b610732d7d20f5ec89c8f38e589