[INFO] fetching crate buildkit-proto 0.2.0...
[INFO] checking buildkit-proto-0.2.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate buildkit-proto 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate buildkit-proto 0.2.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildkit-proto 0.2.0
[INFO] finished tweaking crates.io crate buildkit-proto 0.2.0
[INFO] tweaked toml for crates.io crate buildkit-proto 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a271430bf690bbaaacb7701752fef1b695fa1f592daa3181c69313f8fabfdd8f
[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" "a271430bf690bbaaacb7701752fef1b695fa1f592daa3181c69313f8fabfdd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a271430bf690bbaaacb7701752fef1b695fa1f592daa3181c69313f8fabfdd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a271430bf690bbaaacb7701752fef1b695fa1f592daa3181c69313f8fabfdd8f", kill_on_drop: false }`
[INFO] [stdout] a271430bf690bbaaacb7701752fef1b695fa1f592daa3181c69313f8fabfdd8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6882bcbc21bde0bd9895310ee785c63a1579fa50c110f9484bf3fa915a424aca
[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" "6882bcbc21bde0bd9895310ee785c63a1579fa50c110f9484bf3fa915a424aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling buildkit-proto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking tonic v0.1.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "6882bcbc21bde0bd9895310ee785c63a1579fa50c110f9484bf3fa915a424aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6882bcbc21bde0bd9895310ee785c63a1579fa50c110f9484bf3fa915a424aca", kill_on_drop: false }`
[INFO] [stdout] 6882bcbc21bde0bd9895310ee785c63a1579fa50c110f9484bf3fa915a424aca