[INFO] fetching crate calculi 0.2.0...
[INFO] testing calculi-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate calculi 0.2.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate calculi 0.2.0 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 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-24/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] a270c3f3e2413a917df09951162069c9c559d32d53b970edb53505d91044b3dc
[INFO] running `Command { std: "docker" "start" "-a" "a270c3f3e2413a917df09951162069c9c559d32d53b970edb53505d91044b3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a270c3f3e2413a917df09951162069c9c559d32d53b970edb53505d91044b3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a270c3f3e2413a917df09951162069c9c559d32d53b970edb53505d91044b3dc", kill_on_drop: false }`
[INFO] [stdout] a270c3f3e2413a917df09951162069c9c559d32d53b970edb53505d91044b3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] bf94255919acc11abb3b1a898062c1c1b98c9171d0076dfcad2894b725582189
[INFO] running `Command { std: "docker" "start" "-a" "bf94255919acc11abb3b1a898062c1c1b98c9171d0076dfcad2894b725582189", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "bf94255919acc11abb3b1a898062c1c1b98c9171d0076dfcad2894b725582189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf94255919acc11abb3b1a898062c1c1b98c9171d0076dfcad2894b725582189", kill_on_drop: false }`
[INFO] [stdout] bf94255919acc11abb3b1a898062c1c1b98c9171d0076dfcad2894b725582189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 04314b8ddcb202c539b74d0b3d2116fbe80f387b0d97687d05a5336a7428a378
[INFO] running `Command { std: "docker" "start" "-a" "04314b8ddcb202c539b74d0b3d2116fbe80f387b0d97687d05a5336a7428a378", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "04314b8ddcb202c539b74d0b3d2116fbe80f387b0d97687d05a5336a7428a378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04314b8ddcb202c539b74d0b3d2116fbe80f387b0d97687d05a5336a7428a378", kill_on_drop: false }`
[INFO] [stdout] 04314b8ddcb202c539b74d0b3d2116fbe80f387b0d97687d05a5336a7428a378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 607b3a18533ad5c726c0808d624c57589ab61b13657efe375ca2f155ac7aefc0
[INFO] running `Command { std: "docker" "start" "-a" "607b3a18533ad5c726c0808d624c57589ab61b13657efe375ca2f155ac7aefc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculi-83a616a90cf5f960)
[INFO] [stdout] 
[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; finished in 0.00s
[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_for (line 279) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/equation.rs - equation::Equation::solve_with (line 265) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "607b3a18533ad5c726c0808d624c57589ab61b13657efe375ca2f155ac7aefc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607b3a18533ad5c726c0808d624c57589ab61b13657efe375ca2f155ac7aefc0", kill_on_drop: false }`
[INFO] [stdout] 607b3a18533ad5c726c0808d624c57589ab61b13657efe375ca2f155ac7aefc0