[INFO] fetching crate jsonrpc-ipc-server 17.1.0...
[INFO] checking jsonrpc-ipc-server-17.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate jsonrpc-ipc-server 17.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonrpc-ipc-server 17.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-ipc-server 17.1.0
[INFO] finished tweaking crates.io crate jsonrpc-ipc-server 17.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-ipc-server 17.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-ipc-server 17.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38b091c7ecc6b50295a5dd4ad6061256d7aad7de0a1078490300fd470720a86
[INFO] running `Command { std: "docker" "start" "-a" "a38b091c7ecc6b50295a5dd4ad6061256d7aad7de0a1078490300fd470720a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38b091c7ecc6b50295a5dd4ad6061256d7aad7de0a1078490300fd470720a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38b091c7ecc6b50295a5dd4ad6061256d7aad7de0a1078490300fd470720a86", kill_on_drop: false }`
[INFO] [stdout] a38b091c7ecc6b50295a5dd4ad6061256d7aad7de0a1078490300fd470720a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b694343db08c9ccb2db89247d5c9152e2629e4e78349a25606915025ea7264d0
[INFO] running `Command { std: "docker" "start" "-a" "b694343db08c9ccb2db89247d5c9152e2629e4e78349a25606915025ea7264d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking jsonrpc-core v17.1.0
[INFO] [stderr]     Checking miow v0.3.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking parity-tokio-ipc v0.8.0
[INFO] [stderr]     Checking jsonrpc-server-utils v17.1.0
[INFO] [stderr]     Checking jsonrpc-ipc-server v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `Command { std: "docker" "inspect" "b694343db08c9ccb2db89247d5c9152e2629e4e78349a25606915025ea7264d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b694343db08c9ccb2db89247d5c9152e2629e4e78349a25606915025ea7264d0", kill_on_drop: false }`
[INFO] [stdout] b694343db08c9ccb2db89247d5c9152e2629e4e78349a25606915025ea7264d0