[INFO] fetching crate jsonrpc-ipc-server 17.0.1...
[INFO] checking jsonrpc-ipc-server-17.0.1 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate jsonrpc-ipc-server 17.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate jsonrpc-ipc-server 17.0.1 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-ipc-server 17.0.1
[INFO] finished tweaking crates.io crate jsonrpc-ipc-server 17.0.1
[INFO] tweaked toml for crates.io crate jsonrpc-ipc-server 17.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-ipc-server 17.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] bae133c6d44c2f180d2e01ddb7660ca14e0dc43d8d2b0295a9dadd5029b964cf
[INFO] running `Command { std: "docker" "start" "-a" "bae133c6d44c2f180d2e01ddb7660ca14e0dc43d8d2b0295a9dadd5029b964cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bae133c6d44c2f180d2e01ddb7660ca14e0dc43d8d2b0295a9dadd5029b964cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae133c6d44c2f180d2e01ddb7660ca14e0dc43d8d2b0295a9dadd5029b964cf", kill_on_drop: false }`
[INFO] [stdout] bae133c6d44c2f180d2e01ddb7660ca14e0dc43d8d2b0295a9dadd5029b964cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] 27fa1f66b9a49a51676718a08b98c0771ddabeb8226b2f35e37a300372cf88cb
[INFO] running `Command { std: "docker" "start" "-a" "27fa1f66b9a49a51676718a08b98c0771ddabeb8226b2f35e37a300372cf88cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking miow v0.3.6
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking parity-tokio-ipc v0.8.0
[INFO] [stderr]     Checking jsonrpc-core v17.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v17.0.0
[INFO] [stderr]     Checking jsonrpc-ipc-server v17.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.13s
[INFO] running `Command { std: "docker" "inspect" "27fa1f66b9a49a51676718a08b98c0771ddabeb8226b2f35e37a300372cf88cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fa1f66b9a49a51676718a08b98c0771ddabeb8226b2f35e37a300372cf88cb", kill_on_drop: false }`
[INFO] [stdout] 27fa1f66b9a49a51676718a08b98c0771ddabeb8226b2f35e37a300372cf88cb