[INFO] fetching crate exonum_jsonrpc 0.5.1...
[INFO] checking exonum_jsonrpc-0.5.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate exonum_jsonrpc 0.5.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate exonum_jsonrpc 0.5.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum_jsonrpc 0.5.1
[INFO] finished tweaking crates.io crate exonum_jsonrpc 0.5.1
[INFO] tweaked toml for crates.io crate exonum_jsonrpc 0.5.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reqwest v0.9.17
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db6acdbdaa13d0f59d4162abd85b284863939973cf46fe70e9be9d9b7430e91
[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" "2db6acdbdaa13d0f59d4162abd85b284863939973cf46fe70e9be9d9b7430e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db6acdbdaa13d0f59d4162abd85b284863939973cf46fe70e9be9d9b7430e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db6acdbdaa13d0f59d4162abd85b284863939973cf46fe70e9be9d9b7430e91", kill_on_drop: false }`
[INFO] [stdout] 2db6acdbdaa13d0f59d4162abd85b284863939973cf46fe70e9be9d9b7430e91
[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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--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] 23054d32cc09c2ec25bad2836bce3ac6c7d8b310645b60b21cdc5bd4034c8376
[INFO] running `Command { std: "docker" "start" "-a" "23054d32cc09c2ec25bad2836bce3ac6c7d8b310645b60b21cdc5bd4034c8376", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking exonum_jsonrpc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.17s
[INFO] running `Command { std: "docker" "inspect" "23054d32cc09c2ec25bad2836bce3ac6c7d8b310645b60b21cdc5bd4034c8376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23054d32cc09c2ec25bad2836bce3ac6c7d8b310645b60b21cdc5bd4034c8376", kill_on_drop: false }`
[INFO] [stdout] 23054d32cc09c2ec25bad2836bce3ac6c7d8b310645b60b21cdc5bd4034c8376