[INFO] fetching crate prost-amino 0.6.0...
[INFO] checking prost-amino-0.6.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate prost-amino 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prost-amino 0.6.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fec162e031ec8dc84d2f8c3ec6581e41722fe6845d8e724cb9c6f7faf7577f8
[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" "0fec162e031ec8dc84d2f8c3ec6581e41722fe6845d8e724cb9c6f7faf7577f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fec162e031ec8dc84d2f8c3ec6581e41722fe6845d8e724cb9c6f7faf7577f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fec162e031ec8dc84d2f8c3ec6581e41722fe6845d8e724cb9c6f7faf7577f8", kill_on_drop: false }`
[INFO] [stdout] 0fec162e031ec8dc84d2f8c3ec6581e41722fe6845d8e724cb9c6f7faf7577f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 61eb3489319d536d3c614ed4838debe6227d30e768b5c4117e9e7d7056079bd7
[INFO] running `Command { std: "docker" "start" "-a" "61eb3489319d536d3c614ed4838debe6227d30e768b5c4117e9e7d7056079bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking prost-amino v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.77s
[INFO] running `Command { std: "docker" "inspect" "61eb3489319d536d3c614ed4838debe6227d30e768b5c4117e9e7d7056079bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61eb3489319d536d3c614ed4838debe6227d30e768b5c4117e9e7d7056079bd7", kill_on_drop: false }`
[INFO] [stdout] 61eb3489319d536d3c614ed4838debe6227d30e768b5c4117e9e7d7056079bd7