[INFO] fetching crate datadog-apm 0.2.0...
[INFO] testing datadog-apm-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate datadog-apm 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate datadog-apm 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 datadog-apm 0.2.0
[INFO] finished tweaking crates.io crate datadog-apm 0.2.0
[INFO] tweaked toml for crates.io crate datadog-apm 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate datadog-apm 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper v0.13.6
[INFO] [stderr]   Downloaded h2 v0.2.5
[INFO] [stderr]   Downloaded pin-project-internal v0.4.20
[INFO] [stderr]   Downloaded rmp-serde v0.14.3
[INFO] [stderr]   Downloaded pin-project v0.4.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 588b07d61992d17590b2773f7415a695be075e2892465bc5056384d0161e8a1e
[INFO] running `Command { std: "docker" "start" "-a" "588b07d61992d17590b2773f7415a695be075e2892465bc5056384d0161e8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588b07d61992d17590b2773f7415a695be075e2892465bc5056384d0161e8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588b07d61992d17590b2773f7415a695be075e2892465bc5056384d0161e8a1e", kill_on_drop: false }`
[INFO] [stdout] 588b07d61992d17590b2773f7415a695be075e2892465bc5056384d0161e8a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e262123125916dd23d82b02df8902c7463c76c843d1d4fb68e7a09664da6fbc7
[INFO] running `Command { std: "docker" "start" "-a" "e262123125916dd23d82b02df8902c7463c76c843d1d4fb68e7a09664da6fbc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling datadog-apm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.50s
[INFO] running `Command { std: "docker" "inspect" "e262123125916dd23d82b02df8902c7463c76c843d1d4fb68e7a09664da6fbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262123125916dd23d82b02df8902c7463c76c843d1d4fb68e7a09664da6fbc7", kill_on_drop: false }`
[INFO] [stdout] e262123125916dd23d82b02df8902c7463c76c843d1d4fb68e7a09664da6fbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c9ab0237bf16e67383f4420490f005dcce7e950fef03ca53f5c84c8f57e156af
[INFO] running `Command { std: "docker" "start" "-a" "c9ab0237bf16e67383f4420490f005dcce7e950fef03ca53f5c84c8f57e156af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling datadog-apm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "c9ab0237bf16e67383f4420490f005dcce7e950fef03ca53f5c84c8f57e156af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ab0237bf16e67383f4420490f005dcce7e950fef03ca53f5c84c8f57e156af", kill_on_drop: false }`
[INFO] [stdout] c9ab0237bf16e67383f4420490f005dcce7e950fef03ca53f5c84c8f57e156af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4e3658886c5506b042606e9cf2baf3a5181d05e0541ab020bdd3540b33b03e20
[INFO] running `Command { std: "docker" "start" "-a" "4e3658886c5506b042606e9cf2baf3a5181d05e0541ab020bdd3540b33b03e20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datadog_apm-ac0dc1d85135fff6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test client::tests::test_send_trace ... ignored
[INFO] [stdout] test client::tests::test_map_to_raw_spans ... ok
[INFO] [stderr]    Doc-tests datadog-apm
[INFO] [stdout] test client::tests::test_message_pack_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e3658886c5506b042606e9cf2baf3a5181d05e0541ab020bdd3540b33b03e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3658886c5506b042606e9cf2baf3a5181d05e0541ab020bdd3540b33b03e20", kill_on_drop: false }`
[INFO] [stdout] 4e3658886c5506b042606e9cf2baf3a5181d05e0541ab020bdd3540b33b03e20