[INFO] fetching crate prost-amino 0.6.0...
[INFO] checking prost-amino-0.6.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate prost-amino 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate prost-amino 0.6.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-amino 0.6.0
[INFO] finished tweaking crates.io crate prost-amino 0.6.0
[INFO] tweaked toml for crates.io crate prost-amino 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-amino-derive v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] ce253fbea158f406e20772a61593a19a399ad79dee828f7e6d98205a97191374
[INFO] running `Command { std: "docker" "start" "-a" "ce253fbea158f406e20772a61593a19a399ad79dee828f7e6d98205a97191374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce253fbea158f406e20772a61593a19a399ad79dee828f7e6d98205a97191374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce253fbea158f406e20772a61593a19a399ad79dee828f7e6d98205a97191374", kill_on_drop: false }`
[INFO] [stdout] ce253fbea158f406e20772a61593a19a399ad79dee828f7e6d98205a97191374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113fd88abdec69a1bb19ed9366bd34ca8e3f2a40133f52691338f5107aaf7aa2
[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" "113fd88abdec69a1bb19ed9366bd34ca8e3f2a40133f52691338f5107aaf7aa2", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking prost-amino v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.61s
[INFO] running `Command { std: "docker" "inspect" "113fd88abdec69a1bb19ed9366bd34ca8e3f2a40133f52691338f5107aaf7aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113fd88abdec69a1bb19ed9366bd34ca8e3f2a40133f52691338f5107aaf7aa2", kill_on_drop: false }`
[INFO] [stdout] 113fd88abdec69a1bb19ed9366bd34ca8e3f2a40133f52691338f5107aaf7aa2