[INFO] fetching crate prost-build 0.6.1...
[INFO] checking prost-build-0.6.1 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate prost-build 0.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prost-build 0.6.1 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-build 0.6.1
[INFO] finished tweaking crates.io crate prost-build 0.6.1
[INFO] tweaked toml for crates.io crate prost-build 0.6.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] 7424ee48e5e413fe3377bd875714c50d7e7dd02a19b86aee12ba1e77658c6ccd
[INFO] running `Command { std: "docker" "start" "-a" "7424ee48e5e413fe3377bd875714c50d7e7dd02a19b86aee12ba1e77658c6ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7424ee48e5e413fe3377bd875714c50d7e7dd02a19b86aee12ba1e77658c6ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7424ee48e5e413fe3377bd875714c50d7e7dd02a19b86aee12ba1e77658c6ccd", kill_on_drop: false }`
[INFO] [stdout] 7424ee48e5e413fe3377bd875714c50d7e7dd02a19b86aee12ba1e77658c6ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] ebdc2507ff8269227efeeb0bee6b141a4f60f757c0df98e30be3635499b9f957
[INFO] running `Command { std: "docker" "start" "-a" "ebdc2507ff8269227efeeb0bee6b141a4f60f757c0df98e30be3635499b9f957", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.58s
[INFO] running `Command { std: "docker" "inspect" "ebdc2507ff8269227efeeb0bee6b141a4f60f757c0df98e30be3635499b9f957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdc2507ff8269227efeeb0bee6b141a4f60f757c0df98e30be3635499b9f957", kill_on_drop: false }`
[INFO] [stdout] ebdc2507ff8269227efeeb0bee6b141a4f60f757c0df98e30be3635499b9f957