[INFO] fetching crate prost-simple-rpc-build 0.3.0...
[INFO] checking prost-simple-rpc-build-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate prost-simple-rpc-build 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate prost-simple-rpc-build 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] finished tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] tweaked toml for crates.io crate prost-simple-rpc-build 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding fixedbitset v0.1.9 (latest: v0.5.6)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding multimap v0.4.0 (latest: v0.10.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding petgraph v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding prost v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-build v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding syn v0.14.9 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding which v2.0.1 (latest: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.4.0
[INFO] [stderr]   Downloaded prost-derive v0.4.0
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded prost-types v0.4.0
[INFO] [stderr]   Downloaded prost-build v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2d282f10be8e703335013a5f9a0595d8cac3bc7bff5748717048c993de0aaaa
[INFO] running `Command { std: "docker" "start" "-a" "e2d282f10be8e703335013a5f9a0595d8cac3bc7bff5748717048c993de0aaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2d282f10be8e703335013a5f9a0595d8cac3bc7bff5748717048c993de0aaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d282f10be8e703335013a5f9a0595d8cac3bc7bff5748717048c993de0aaaa", kill_on_drop: false }`
[INFO] [stdout] e2d282f10be8e703335013a5f9a0595d8cac3bc7bff5748717048c993de0aaaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89af88aca412fc3c18a56ccf380904537a2d45f6ce87860468280a456b179743
[INFO] running `Command { std: "docker" "start" "-a" "89af88aca412fc3c18a56ccf380904537a2d45f6ce87860468280a456b179743", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]     Checking prost-types v0.4.0
[INFO] [stderr]     Checking prost-simple-rpc-build v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "89af88aca412fc3c18a56ccf380904537a2d45f6ce87860468280a456b179743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89af88aca412fc3c18a56ccf380904537a2d45f6ce87860468280a456b179743", kill_on_drop: false }`
[INFO] [stdout] 89af88aca412fc3c18a56ccf380904537a2d45f6ce87860468280a456b179743
[INFO] checking prost-simple-rpc-build-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate prost-simple-rpc-build 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate prost-simple-rpc-build 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] finished tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] tweaked toml for crates.io crate prost-simple-rpc-build 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding fixedbitset v0.1.9 (latest: v0.5.6)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding multimap v0.4.0 (latest: v0.10.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding petgraph v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding prost v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-build v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.4.0 (latest: v0.12.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding syn v0.14.9 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding which v2.0.1 (latest: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a22177bb2831d67727b8b698b38e505f2b50537fae22ac97875bf69b02e5785
[INFO] running `Command { std: "docker" "start" "-a" "0a22177bb2831d67727b8b698b38e505f2b50537fae22ac97875bf69b02e5785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a22177bb2831d67727b8b698b38e505f2b50537fae22ac97875bf69b02e5785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a22177bb2831d67727b8b698b38e505f2b50537fae22ac97875bf69b02e5785", kill_on_drop: false }`
[INFO] [stdout] 0a22177bb2831d67727b8b698b38e505f2b50537fae22ac97875bf69b02e5785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942fd987e41958d1b32f9becf8e93f5f8c4c6087478a6b101743e514a200bd06
[INFO] running `Command { std: "docker" "start" "-a" "942fd987e41958d1b32f9becf8e93f5f8c4c6087478a6b101743e514a200bd06", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]     Checking prost-types v0.4.0
[INFO] [stderr]     Checking prost-simple-rpc-build v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "942fd987e41958d1b32f9becf8e93f5f8c4c6087478a6b101743e514a200bd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942fd987e41958d1b32f9becf8e93f5f8c4c6087478a6b101743e514a200bd06", kill_on_drop: false }`
[INFO] [stdout] 942fd987e41958d1b32f9becf8e93f5f8c4c6087478a6b101743e514a200bd06