[INFO] fetching crate metasolver 0.0.1...
[INFO] testing metasolver-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate metasolver 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate metasolver 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metasolver 0.0.1
[INFO] finished tweaking crates.io crate metasolver 0.0.1
[INFO] tweaked toml for crates.io crate metasolver 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43679c8c521f514c5eddf7959dedf586d8a452383109d4581e5365f2a813ecde
[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" "43679c8c521f514c5eddf7959dedf586d8a452383109d4581e5365f2a813ecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43679c8c521f514c5eddf7959dedf586d8a452383109d4581e5365f2a813ecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43679c8c521f514c5eddf7959dedf586d8a452383109d4581e5365f2a813ecde", kill_on_drop: false }`
[INFO] [stdout] 43679c8c521f514c5eddf7959dedf586d8a452383109d4581e5365f2a813ecde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ab276cc5d4c1cfb79881dde5c87504097cea95f077dafc2882a857c295095c
[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" "81ab276cc5d4c1cfb79881dde5c87504097cea95f077dafc2882a857c295095c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling metasolver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "81ab276cc5d4c1cfb79881dde5c87504097cea95f077dafc2882a857c295095c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ab276cc5d4c1cfb79881dde5c87504097cea95f077dafc2882a857c295095c", kill_on_drop: false }`
[INFO] [stdout] 81ab276cc5d4c1cfb79881dde5c87504097cea95f077dafc2882a857c295095c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 0d6da978b509e57dfbab5a09aa648e9fdaac918356b0489bbdfce9b9f0bddcb5
[INFO] running `Command { std: "docker" "start" "-a" "0d6da978b509e57dfbab5a09aa648e9fdaac918356b0489bbdfce9b9f0bddcb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling metasolver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `solution_formula` should have an upper camel case name
[INFO] [stdout]   --> examples/simulated_annealing_formula.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct solution_formula {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SolutionFormula`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "0d6da978b509e57dfbab5a09aa648e9fdaac918356b0489bbdfce9b9f0bddcb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6da978b509e57dfbab5a09aa648e9fdaac918356b0489bbdfce9b9f0bddcb5", kill_on_drop: false }`
[INFO] [stdout] 0d6da978b509e57dfbab5a09aa648e9fdaac918356b0489bbdfce9b9f0bddcb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa2d86675b892a32aeb6ac191cced6c0ce591dfb83c45083523bf749d7953b0a
[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" "aa2d86675b892a32aeb6ac191cced6c0ce591dfb83c45083523bf749d7953b0a", kill_on_drop: false }`
[INFO] [stderr] warning: type `solution_formula` should have an upper camel case name
[INFO] [stderr]   --> examples/simulated_annealing_formula.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct solution_formula {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SolutionFormula`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metasolver-a65b79821b814d41
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests metasolver
[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] [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" "aa2d86675b892a32aeb6ac191cced6c0ce591dfb83c45083523bf749d7953b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2d86675b892a32aeb6ac191cced6c0ce591dfb83c45083523bf749d7953b0a", kill_on_drop: false }`
[INFO] [stdout] aa2d86675b892a32aeb6ac191cced6c0ce591dfb83c45083523bf749d7953b0a