[INFO] fetching crate jsonrpc-tcp-server 15.0.0...
[INFO] checking jsonrpc-tcp-server-15.0.0 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate jsonrpc-tcp-server 15.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate jsonrpc-tcp-server 15.0.0 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-tcp-server 15.0.0
[INFO] finished tweaking crates.io crate jsonrpc-tcp-server 15.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-tcp-server 15.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-tcp-server 15.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b612dbfafc6a092712d513b1b121555788df510d6a2a7a4d268b47d0d8f13c5c
[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" "b612dbfafc6a092712d513b1b121555788df510d6a2a7a4d268b47d0d8f13c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b612dbfafc6a092712d513b1b121555788df510d6a2a7a4d268b47d0d8f13c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b612dbfafc6a092712d513b1b121555788df510d6a2a7a4d268b47d0d8f13c5c", kill_on_drop: false }`
[INFO] [stdout] b612dbfafc6a092712d513b1b121555788df510d6a2a7a4d268b47d0d8f13c5c
[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=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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] e60ed3e0d9be1302de0e655ea12e4507f0dc1f55e75db6ed39111b5ceaa49398
[INFO] running `Command { std: "docker" "start" "-a" "e60ed3e0d9be1302de0e655ea12e4507f0dc1f55e75db6ed39111b5ceaa49398", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking jsonrpc-core v15.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v15.0.0
[INFO] [stderr]     Checking jsonrpc-tcp-server v15.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.51s
[INFO] running `Command { std: "docker" "inspect" "e60ed3e0d9be1302de0e655ea12e4507f0dc1f55e75db6ed39111b5ceaa49398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60ed3e0d9be1302de0e655ea12e4507f0dc1f55e75db6ed39111b5ceaa49398", kill_on_drop: false }`
[INFO] [stdout] e60ed3e0d9be1302de0e655ea12e4507f0dc1f55e75db6ed39111b5ceaa49398