[INFO] fetching crate iota-model 0.3.0...
[INFO] testing iota-model-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iota-model 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate iota-model 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-model 0.3.0
[INFO] finished tweaking crates.io crate iota-model 0.3.0
[INFO] tweaked toml for crates.io crate iota-model 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f53de65cc163ba4015225fbf5793621e6d0c546d8049a2cd913a88a24ed24c8
[INFO] running `Command { std: "docker" "start" "-a" "2f53de65cc163ba4015225fbf5793621e6d0c546d8049a2cd913a88a24ed24c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f53de65cc163ba4015225fbf5793621e6d0c546d8049a2cd913a88a24ed24c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f53de65cc163ba4015225fbf5793621e6d0c546d8049a2cd913a88a24ed24c8", kill_on_drop: false }`
[INFO] [stdout] 2f53de65cc163ba4015225fbf5793621e6d0c546d8049a2cd913a88a24ed24c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b32cbde13a5b88149b4f1998aa3df67e09afd4bfe1c3747a434c5dc3b407f064
[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" "b32cbde13a5b88149b4f1998aa3df67e09afd4bfe1c3747a434c5dc3b407f064", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-constants v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling iota-conversion v0.3.0
[INFO] [stderr]    Compiling iota-crypto v0.3.0
[INFO] [stderr]    Compiling iota-model v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "b32cbde13a5b88149b4f1998aa3df67e09afd4bfe1c3747a434c5dc3b407f064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32cbde13a5b88149b4f1998aa3df67e09afd4bfe1c3747a434c5dc3b407f064", kill_on_drop: false }`
[INFO] [stdout] b32cbde13a5b88149b4f1998aa3df67e09afd4bfe1c3747a434c5dc3b407f064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4ec1cb54408ea626c81668ea191e8123c8be43cd1a3519ee7da86654023b54c
[INFO] running `Command { std: "docker" "start" "-a" "d4ec1cb54408ea626c81668ea191e8123c8be43cd1a3519ee7da86654023b54c", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-model v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "d4ec1cb54408ea626c81668ea191e8123c8be43cd1a3519ee7da86654023b54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ec1cb54408ea626c81668ea191e8123c8be43cd1a3519ee7da86654023b54c", kill_on_drop: false }`
[INFO] [stdout] d4ec1cb54408ea626c81668ea191e8123c8be43cd1a3519ee7da86654023b54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52019c775f11f5731944c0856fd699d676b56254560dbd4a7c91bf17d782a142
[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" "52019c775f11f5731944c0856fd699d676b56254560dbd4a7c91bf17d782a142", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iota_model-1512c9cc1d75281f
[INFO] [stderr]    Doc-tests iota_model
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52019c775f11f5731944c0856fd699d676b56254560dbd4a7c91bf17d782a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52019c775f11f5731944c0856fd699d676b56254560dbd4a7c91bf17d782a142", kill_on_drop: false }`
[INFO] [stdout] 52019c775f11f5731944c0856fd699d676b56254560dbd4a7c91bf17d782a142