[INFO] fetching crate buildkit-proto 0.2.0...
[INFO] checking buildkit-proto-0.2.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate buildkit-proto 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate buildkit-proto 0.2.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a60ad4d3b0554b9d51c3f525ae374454303c1885844e28c53abec6de4309616
[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" "2a60ad4d3b0554b9d51c3f525ae374454303c1885844e28c53abec6de4309616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a60ad4d3b0554b9d51c3f525ae374454303c1885844e28c53abec6de4309616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a60ad4d3b0554b9d51c3f525ae374454303c1885844e28c53abec6de4309616", kill_on_drop: false }`
[INFO] [stdout] 2a60ad4d3b0554b9d51c3f525ae374454303c1885844e28c53abec6de4309616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c22e31c169f75571b273a5029b0171c6dc058fdd68c901f683a3eaa3c22683c
[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" "5c22e31c169f75571b273a5029b0171c6dc058fdd68c901f683a3eaa3c22683c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling async-trait v0.1.49
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[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 v0.4.28
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking tracing v0.1.25
[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-retry v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[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 37s
[INFO] running `Command { std: "docker" "inspect" "5c22e31c169f75571b273a5029b0171c6dc058fdd68c901f683a3eaa3c22683c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c22e31c169f75571b273a5029b0171c6dc058fdd68c901f683a3eaa3c22683c", kill_on_drop: false }`
[INFO] [stdout] 5c22e31c169f75571b273a5029b0171c6dc058fdd68c901f683a3eaa3c22683c