[INFO] fetching crate poem-grpc-build 0.2.23...
[INFO] checking poem-grpc-build-0.2.23 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate poem-grpc-build 0.2.23 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate poem-grpc-build 0.2.23 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 poem-grpc-build 0.2.23
[INFO] finished tweaking crates.io crate poem-grpc-build 0.2.23
[INFO] tweaked toml for crates.io crate poem-grpc-build 0.2.23 written to /workspace/builds/worker-7-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 49 packages
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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-build v0.12.4
[INFO] [stderr]   Downloaded multimap v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c21fb798a69310d5e4f9c69bfdef8173843fae26cb5f5aba3334c20c5fd373c9
[INFO] running `Command { std: "docker" "start" "-a" "c21fb798a69310d5e4f9c69bfdef8173843fae26cb5f5aba3334c20c5fd373c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c21fb798a69310d5e4f9c69bfdef8173843fae26cb5f5aba3334c20c5fd373c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21fb798a69310d5e4f9c69bfdef8173843fae26cb5f5aba3334c20c5fd373c9", kill_on_drop: false }`
[INFO] [stdout] c21fb798a69310d5e4f9c69bfdef8173843fae26cb5f5aba3334c20c5fd373c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e38bbc11ba3639981fe0de08dabd4d95717cd1ba7b932d000c84cfe07c1c4d65
[INFO] running `Command { std: "docker" "start" "-a" "e38bbc11ba3639981fe0de08dabd4d95717cd1ba7b932d000c84cfe07c1c4d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking multimap v0.10.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking toml_edit v0.20.2
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prost-types v0.12.4
[INFO] [stderr]     Checking prost-build v0.12.4
[INFO] [stderr]     Checking poem-grpc-build v0.2.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "e38bbc11ba3639981fe0de08dabd4d95717cd1ba7b932d000c84cfe07c1c4d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38bbc11ba3639981fe0de08dabd4d95717cd1ba7b932d000c84cfe07c1c4d65", kill_on_drop: false }`
[INFO] [stdout] e38bbc11ba3639981fe0de08dabd4d95717cd1ba7b932d000c84cfe07c1c4d65
[INFO] checking poem-grpc-build-0.2.23 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate poem-grpc-build 0.2.23 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate poem-grpc-build 0.2.23 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 poem-grpc-build 0.2.23
[INFO] finished tweaking crates.io crate poem-grpc-build 0.2.23
[INFO] tweaked toml for crates.io crate poem-grpc-build 0.2.23 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 49 packages
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1c633664ec3e6679aee7af839628d8fb34dbaa6cf62093311b64ebd0c03478ef
[INFO] running `Command { std: "docker" "start" "-a" "1c633664ec3e6679aee7af839628d8fb34dbaa6cf62093311b64ebd0c03478ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c633664ec3e6679aee7af839628d8fb34dbaa6cf62093311b64ebd0c03478ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c633664ec3e6679aee7af839628d8fb34dbaa6cf62093311b64ebd0c03478ef", kill_on_drop: false }`
[INFO] [stdout] 1c633664ec3e6679aee7af839628d8fb34dbaa6cf62093311b64ebd0c03478ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7f70c8eaa901e60b65f54211d7ecd4b941df63bc311673cbec335003bb03d892
[INFO] running `Command { std: "docker" "start" "-a" "7f70c8eaa901e60b65f54211d7ecd4b941df63bc311673cbec335003bb03d892", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking multimap v0.10.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking toml_edit v0.20.2
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prost-types v0.12.4
[INFO] [stderr]     Checking prost-build v0.12.4
[INFO] [stderr]     Checking poem-grpc-build v0.2.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "7f70c8eaa901e60b65f54211d7ecd4b941df63bc311673cbec335003bb03d892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f70c8eaa901e60b65f54211d7ecd4b941df63bc311673cbec335003bb03d892", kill_on_drop: false }`
[INFO] [stdout] 7f70c8eaa901e60b65f54211d7ecd4b941df63bc311673cbec335003bb03d892