[INFO] fetching crate puzzle_design 0.2.0...
[INFO] testing puzzle_design-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate puzzle_design 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate puzzle_design 0.2.0
[INFO] finished tweaking crates.io crate puzzle_design 0.2.0
[INFO] tweaked toml for crates.io crate puzzle_design 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate puzzle_design 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate puzzle_design 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded cuckoofilter v0.3.2
[INFO] [stderr]   Downloaded quickbacktrack v0.7.1
[INFO] [stderr]   Downloaded monotonic_solver v0.5.0
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded range v1.0.0
[INFO] [stderr]   Downloaded read_token v1.0.0
[INFO] [stderr]   Downloaded avalog v0.7.2
[INFO] [stderr]   Downloaded piston_meta v2.0.1
[INFO] [stderr]   Downloaded linear_solver v0.2.2
[INFO] [stderr]   Downloaded discrete v0.6.0
[INFO] [stderr]   Downloaded piston_mix_economy v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8cac1e1a086cd8d1a5ff9cfa4fac0a69ef657e5a2af9a0cf028a6f5076633d
[INFO] running `Command { std: "docker" "start" "-a" "bc8cac1e1a086cd8d1a5ff9cfa4fac0a69ef657e5a2af9a0cf028a6f5076633d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8cac1e1a086cd8d1a5ff9cfa4fac0a69ef657e5a2af9a0cf028a6f5076633d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8cac1e1a086cd8d1a5ff9cfa4fac0a69ef657e5a2af9a0cf028a6f5076633d", kill_on_drop: false }`
[INFO] [stdout] bc8cac1e1a086cd8d1a5ff9cfa4fac0a69ef657e5a2af9a0cf028a6f5076633d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121c550cb827884d7b1dcba3bbfa84da75acf14ee67edbb1964fd107078f5ee2
[INFO] running `Command { std: "docker" "start" "-a" "121c550cb827884d7b1dcba3bbfa84da75acf14ee67edbb1964fd107078f5ee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling range v1.0.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling monotonic_solver v0.5.0
[INFO] [stderr]    Compiling piston_mix_economy v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling read_token v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling piston_meta v2.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling linear_solver v0.2.2
[INFO] [stderr]    Compiling avalog v0.7.2
[INFO] [stderr]    Compiling quickbacktrack v0.7.1
[INFO] [stderr]    Compiling discrete v0.6.0
[INFO] [stderr]    Compiling puzzle_design v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "121c550cb827884d7b1dcba3bbfa84da75acf14ee67edbb1964fd107078f5ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121c550cb827884d7b1dcba3bbfa84da75acf14ee67edbb1964fd107078f5ee2", kill_on_drop: false }`
[INFO] [stdout] 121c550cb827884d7b1dcba3bbfa84da75acf14ee67edbb1964fd107078f5ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4942506b9d43215887dd31b8180d326e4629ec15380ba7e74acd7fc0c42ab4d
[INFO] running `Command { std: "docker" "start" "-a" "f4942506b9d43215887dd31b8180d326e4629ec15380ba7e74acd7fc0c42ab4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle_design v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "f4942506b9d43215887dd31b8180d326e4629ec15380ba7e74acd7fc0c42ab4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4942506b9d43215887dd31b8180d326e4629ec15380ba7e74acd7fc0c42ab4d", kill_on_drop: false }`
[INFO] [stdout] f4942506b9d43215887dd31b8180d326e4629ec15380ba7e74acd7fc0c42ab4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1b1440b64ed4c834f4bcdaad66ab42183e2a1a3d8df7dce39e5c5b1ae132698
[INFO] running `Command { std: "docker" "start" "-a" "a1b1440b64ed4c834f4bcdaad66ab42183e2a1a3d8df7dce39e5c5b1ae132698", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/puzzle_design-d9beb3328ac5a6da)
[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] [stderr]    Doc-tests puzzle_design
[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" "a1b1440b64ed4c834f4bcdaad66ab42183e2a1a3d8df7dce39e5c5b1ae132698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b1440b64ed4c834f4bcdaad66ab42183e2a1a3d8df7dce39e5c5b1ae132698", kill_on_drop: false }`
[INFO] [stdout] a1b1440b64ed4c834f4bcdaad66ab42183e2a1a3d8df7dce39e5c5b1ae132698