[INFO] fetching crate cpp_core 0.6.0...
[INFO] testing cpp_core-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cpp_core 0.6.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate cpp_core 0.6.0 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 cpp_core 0.6.0
[INFO] finished tweaking crates.io crate cpp_core 0.6.0
[INFO] tweaked toml for crates.io crate cpp_core 0.6.0 written to /workspace/builds/worker-82/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] a5d53712db1641746d939052f1e2b59db451a367d7fcf67cb4c8e946780a2e40
[INFO] running `Command { std: "docker" "start" "-a" "a5d53712db1641746d939052f1e2b59db451a367d7fcf67cb4c8e946780a2e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d53712db1641746d939052f1e2b59db451a367d7fcf67cb4c8e946780a2e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d53712db1641746d939052f1e2b59db451a367d7fcf67cb4c8e946780a2e40", kill_on_drop: false }`
[INFO] [stdout] a5d53712db1641746d939052f1e2b59db451a367d7fcf67cb4c8e946780a2e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 66cbf403840beb5fec4a72228ea6a4da1d4dda370be02c4bb6a1d3bd360a86c0
[INFO] running `Command { std: "docker" "start" "-a" "66cbf403840beb5fec4a72228ea6a4da1d4dda370be02c4bb6a1d3bd360a86c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cpp_core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "66cbf403840beb5fec4a72228ea6a4da1d4dda370be02c4bb6a1d3bd360a86c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cbf403840beb5fec4a72228ea6a4da1d4dda370be02c4bb6a1d3bd360a86c0", kill_on_drop: false }`
[INFO] [stdout] 66cbf403840beb5fec4a72228ea6a4da1d4dda370be02c4bb6a1d3bd360a86c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] b9864b1a3b4458600bcdab0ff6d5ecef83f10612d08f3c2f657b61d8e0b930e8
[INFO] running `Command { std: "docker" "start" "-a" "b9864b1a3b4458600bcdab0ff6d5ecef83f10612d08f3c2f657b61d8e0b930e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "b9864b1a3b4458600bcdab0ff6d5ecef83f10612d08f3c2f657b61d8e0b930e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9864b1a3b4458600bcdab0ff6d5ecef83f10612d08f3c2f657b61d8e0b930e8", kill_on_drop: false }`
[INFO] [stdout] b9864b1a3b4458600bcdab0ff6d5ecef83f10612d08f3c2f657b61d8e0b930e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] d2a540bb0c719b6c441483737809ca1c28d2888009242d3b4a5dd431e7b67cd7
[INFO] running `Command { std: "docker" "start" "-a" "d2a540bb0c719b6c441483737809ca1c28d2888009242d3b4a5dd431e7b67cd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpp_core-4b454d1c0d6e86f7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cpp_box::tests::test_drop_calls_deleter ... ok
[INFO] [stdout] test ptr::ptr_deref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpp_core
[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" "d2a540bb0c719b6c441483737809ca1c28d2888009242d3b4a5dd431e7b67cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a540bb0c719b6c441483737809ca1c28d2888009242d3b4a5dd431e7b67cd7", kill_on_drop: false }`
[INFO] [stdout] d2a540bb0c719b6c441483737809ca1c28d2888009242d3b4a5dd431e7b67cd7