[INFO] fetching crate iguana-ws 0.2.0...
[INFO] testing iguana-ws-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate iguana-ws 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iguana-ws 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 iguana-ws 0.2.0
[INFO] finished tweaking crates.io crate iguana-ws 0.2.0
[INFO] tweaked toml for crates.io crate iguana-ws 0.2.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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 bitcoin-cash-script-macro v0.2.0
[INFO] [stderr]   Downloaded bitcoin-cash-base v0.2.0
[INFO] [stderr]   Downloaded bitcoin-cash v0.2.3
[INFO] [stderr]   Downloaded toolchain_find v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8a2e1f31f3420a9fadefbf5737487ca871d01957c78866af4c40cd4b9125bbf1
[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" "8a2e1f31f3420a9fadefbf5737487ca871d01957c78866af4c40cd4b9125bbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a2e1f31f3420a9fadefbf5737487ca871d01957c78866af4c40cd4b9125bbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2e1f31f3420a9fadefbf5737487ca871d01957c78866af4c40cd4b9125bbf1", kill_on_drop: false }`
[INFO] [stdout] 8a2e1f31f3420a9fadefbf5737487ca871d01957c78866af4c40cd4b9125bbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1b3ccd262e45a425868aca6b0be720cd5be2e027107e92e64c25d9f9a8a47fec
[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" "1b3ccd262e45a425868aca6b0be720cd5be2e027107e92e64c25d9f9a8a47fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling bimap v0.5.3
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling toolchain_find v0.1.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling bitcoin-cash-base v0.2.0
[INFO] [stderr]    Compiling bitcoin-cash-script-macro v0.2.0
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling bitcoin-cash v0.2.3
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling iguana-ws v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "1b3ccd262e45a425868aca6b0be720cd5be2e027107e92e64c25d9f9a8a47fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3ccd262e45a425868aca6b0be720cd5be2e027107e92e64c25d9f9a8a47fec", kill_on_drop: false }`
[INFO] [stdout] 1b3ccd262e45a425868aca6b0be720cd5be2e027107e92e64c25d9f9a8a47fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d336056d5f48d9e274352d9922dfb067db29297f757dc45ad9f23d5a311d5df2
[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" "d336056d5f48d9e274352d9922dfb067db29297f757dc45ad9f23d5a311d5df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling iguana-ws v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "d336056d5f48d9e274352d9922dfb067db29297f757dc45ad9f23d5a311d5df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d336056d5f48d9e274352d9922dfb067db29297f757dc45ad9f23d5a311d5df2", kill_on_drop: false }`
[INFO] [stdout] d336056d5f48d9e274352d9922dfb067db29297f757dc45ad9f23d5a311d5df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a14582f89a3f8cb84239072b8e0856b93d11e51c780b28aca5db56b78918f47f
[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" "a14582f89a3f8cb84239072b8e0856b93d11e51c780b28aca5db56b78918f47f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iguana_ws-18f627216d850b3f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests iguana-ws
[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" "a14582f89a3f8cb84239072b8e0856b93d11e51c780b28aca5db56b78918f47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14582f89a3f8cb84239072b8e0856b93d11e51c780b28aca5db56b78918f47f", kill_on_drop: false }`
[INFO] [stdout] a14582f89a3f8cb84239072b8e0856b93d11e51c780b28aca5db56b78918f47f