[INFO] cloning repository https://github.com/dogukanakkaya/rust-grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dogukanakkaya/rust-grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdogukanakkaya%2Frust-grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdogukanakkaya%2Frust-grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70243f4ad5879585fed1cdbcf49ab2458320f094
[INFO] checking dogukanakkaya/rust-grpc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdogukanakkaya%2Frust-grpc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dogukanakkaya/rust-grpc 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 git repo https://github.com/dogukanakkaya/rust-grpc
[INFO] finished tweaking git repo https://github.com/dogukanakkaya/rust-grpc
[INFO] tweaked toml for git repo https://github.com/dogukanakkaya/rust-grpc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dogukanakkaya/rust-grpc already has a lockfile, it will not be regenerated
[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 tonic-build v0.7.2
[INFO] [stderr]   Downloaded prettyplease v0.1.15
[INFO] [stderr]   Downloaded axum-core v0.2.6
[INFO] [stderr]   Downloaded axum v0.5.9
[INFO] [stderr]   Downloaded tonic v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fd64dbed3deca1cc5f4239a80a9077102164dd0a5bf754f43bcf0ac18939ace7
[INFO] running `Command { std: "docker" "start" "-a" "fd64dbed3deca1cc5f4239a80a9077102164dd0a5bf754f43bcf0ac18939ace7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd64dbed3deca1cc5f4239a80a9077102164dd0a5bf754f43bcf0ac18939ace7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd64dbed3deca1cc5f4239a80a9077102164dd0a5bf754f43bcf0ac18939ace7", kill_on_drop: false }`
[INFO] [stdout] fd64dbed3deca1cc5f4239a80a9077102164dd0a5bf754f43bcf0ac18939ace7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a8ae9404c699fe2ea86c7f944de2ac0e73e2cbedacca642d6bdf5993d4856e3
[INFO] running `Command { std: "docker" "start" "-a" "5a8ae9404c699fe2ea86c7f944de2ac0e73e2cbedacca642d6bdf5993d4856e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling prettyplease v0.1.15
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking axum-core v0.2.6
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]    Compiling grpc-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking axum v0.5.9
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `Command { std: "docker" "inspect" "5a8ae9404c699fe2ea86c7f944de2ac0e73e2cbedacca642d6bdf5993d4856e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8ae9404c699fe2ea86c7f944de2ac0e73e2cbedacca642d6bdf5993d4856e3", kill_on_drop: false }`
[INFO] [stdout] 5a8ae9404c699fe2ea86c7f944de2ac0e73e2cbedacca642d6bdf5993d4856e3
[INFO] checking dogukanakkaya/rust-grpc against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdogukanakkaya%2Frust-grpc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dogukanakkaya/rust-grpc 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 git repo https://github.com/dogukanakkaya/rust-grpc
[INFO] finished tweaking git repo https://github.com/dogukanakkaya/rust-grpc
[INFO] tweaked toml for git repo https://github.com/dogukanakkaya/rust-grpc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dogukanakkaya/rust-grpc already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c5bd73e2eea50728db7b9ad7e5e23f81a16795c6c31acd4fd9265858971f9d2a
[INFO] running `Command { std: "docker" "start" "-a" "c5bd73e2eea50728db7b9ad7e5e23f81a16795c6c31acd4fd9265858971f9d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5bd73e2eea50728db7b9ad7e5e23f81a16795c6c31acd4fd9265858971f9d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bd73e2eea50728db7b9ad7e5e23f81a16795c6c31acd4fd9265858971f9d2a", kill_on_drop: false }`
[INFO] [stdout] c5bd73e2eea50728db7b9ad7e5e23f81a16795c6c31acd4fd9265858971f9d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e9a01d3aaee2607a8e16be99a829f99017f0e5ae1cf89a1b99938bc83769b4b3
[INFO] running `Command { std: "docker" "start" "-a" "e9a01d3aaee2607a8e16be99a829f99017f0e5ae1cf89a1b99938bc83769b4b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling prettyplease v0.1.15
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking axum-core v0.2.6
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]    Compiling grpc-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking axum v0.5.9
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.54s
[INFO] running `Command { std: "docker" "inspect" "e9a01d3aaee2607a8e16be99a829f99017f0e5ae1cf89a1b99938bc83769b4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a01d3aaee2607a8e16be99a829f99017f0e5ae1cf89a1b99938bc83769b4b3", kill_on_drop: false }`
[INFO] [stdout] e9a01d3aaee2607a8e16be99a829f99017f0e5ae1cf89a1b99938bc83769b4b3