[INFO] fetching crate dd-trace-rs 0.0.0...
[INFO] testing dd-trace-rs-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dd-trace-rs 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dd-trace-rs 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dd-trace-rs 0.0.0
[INFO] finished tweaking crates.io crate dd-trace-rs 0.0.0
[INFO] tweaked toml for crates.io crate dd-trace-rs 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dd-trace-rs 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73b7690f2d029c5c601ccd466d2ece7e4a0b2e8987e306b4988999edf092fb37
[INFO] running `Command { std: "docker" "start" "-a" "73b7690f2d029c5c601ccd466d2ece7e4a0b2e8987e306b4988999edf092fb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b7690f2d029c5c601ccd466d2ece7e4a0b2e8987e306b4988999edf092fb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b7690f2d029c5c601ccd466d2ece7e4a0b2e8987e306b4988999edf092fb37", kill_on_drop: false }`
[INFO] [stdout] 73b7690f2d029c5c601ccd466d2ece7e4a0b2e8987e306b4988999edf092fb37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570334026b68469dc85d051b2a3a8e2d91b84c3f2f177791a1405f008d35ec5d
[INFO] running `Command { std: "docker" "start" "-a" "570334026b68469dc85d051b2a3a8e2d91b84c3f2f177791a1405f008d35ec5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dd-trace-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "570334026b68469dc85d051b2a3a8e2d91b84c3f2f177791a1405f008d35ec5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570334026b68469dc85d051b2a3a8e2d91b84c3f2f177791a1405f008d35ec5d", kill_on_drop: false }`
[INFO] [stdout] 570334026b68469dc85d051b2a3a8e2d91b84c3f2f177791a1405f008d35ec5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890afd6a7b908816855826823c0a473f4518b9451a1ce0a84c57a0e486d61baa
[INFO] running `Command { std: "docker" "start" "-a" "890afd6a7b908816855826823c0a473f4518b9451a1ce0a84c57a0e486d61baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling dd-trace-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "890afd6a7b908816855826823c0a473f4518b9451a1ce0a84c57a0e486d61baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890afd6a7b908816855826823c0a473f4518b9451a1ce0a84c57a0e486d61baa", kill_on_drop: false }`
[INFO] [stdout] 890afd6a7b908816855826823c0a473f4518b9451a1ce0a84c57a0e486d61baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c04e1b07e0420ff0f326751cca5a730d2ec46340c818d2947b9bf3d457bfa5a
[INFO] running `Command { std: "docker" "start" "-a" "3c04e1b07e0420ff0f326751cca5a730d2ec46340c818d2947b9bf3d457bfa5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dd_trace_rs-9d1f0fdb26683c46)
[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" "3c04e1b07e0420ff0f326751cca5a730d2ec46340c818d2947b9bf3d457bfa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c04e1b07e0420ff0f326751cca5a730d2ec46340c818d2947b9bf3d457bfa5a", kill_on_drop: false }`
[INFO] [stdout] 3c04e1b07e0420ff0f326751cca5a730d2ec46340c818d2947b9bf3d457bfa5a