[INFO] fetching crate etcd-discovery 0.1.3...
[INFO] checking etcd-discovery-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate etcd-discovery 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate etcd-discovery 0.1.3 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 etcd-discovery 0.1.3
[INFO] finished tweaking crates.io crate etcd-discovery 0.1.3
[INFO] tweaked toml for crates.io crate etcd-discovery 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate etcd-discovery 0.1.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.14
[INFO] [stderr]   Downloaded tonic-build v0.10.2
[INFO] [stderr]   Downloaded prost-derive v0.12.1
[INFO] [stderr]   Downloaded async-recursion v1.0.5
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded prost-build v0.12.1
[INFO] [stderr]   Downloaded prettyplease v0.2.15
[INFO] [stderr]   Downloaded h2 v0.3.21
[INFO] [stderr]   Downloaded prost-types v0.12.1
[INFO] [stderr]   Downloaded prost v0.12.1
[INFO] [stderr]   Downloaded tonic v0.10.2
[INFO] [stderr]   Downloaded etcd-client v0.12.1
[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] e3dc7e8e3978fb99314144b6fbe2faed696ec94b06972b8be44c7e1c0ecba5c4
[INFO] running `Command { std: "docker" "start" "-a" "e3dc7e8e3978fb99314144b6fbe2faed696ec94b06972b8be44c7e1c0ecba5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3dc7e8e3978fb99314144b6fbe2faed696ec94b06972b8be44c7e1c0ecba5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dc7e8e3978fb99314144b6fbe2faed696ec94b06972b8be44c7e1c0ecba5c4", kill_on_drop: false }`
[INFO] [stdout] e3dc7e8e3978fb99314144b6fbe2faed696ec94b06972b8be44c7e1c0ecba5c4
[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] 734cef914f8f9e4d5b65aa26a4fcc9965730d7c96049bfd29f9d111939c36ca5
[INFO] running `Command { std: "docker" "start" "-a" "734cef914f8f9e4d5b65aa26a4fcc9965730d7c96049bfd29f9d111939c36ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling prost v0.12.1
[INFO] [stderr]    Compiling prost-types v0.12.1
[INFO] [stderr]    Compiling prost-build v0.12.1
[INFO] [stderr]    Compiling tonic-build v0.10.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling etcd-client v0.12.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.10.2
[INFO] [stderr]     Checking etcd-discovery v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "734cef914f8f9e4d5b65aa26a4fcc9965730d7c96049bfd29f9d111939c36ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734cef914f8f9e4d5b65aa26a4fcc9965730d7c96049bfd29f9d111939c36ca5", kill_on_drop: false }`
[INFO] [stdout] 734cef914f8f9e4d5b65aa26a4fcc9965730d7c96049bfd29f9d111939c36ca5
[INFO] checking etcd-discovery-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate etcd-discovery 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate etcd-discovery 0.1.3 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 etcd-discovery 0.1.3
[INFO] finished tweaking crates.io crate etcd-discovery 0.1.3
[INFO] tweaked toml for crates.io crate etcd-discovery 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate etcd-discovery 0.1.3 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] 5897f734779ec4f6cefa5ff2d98da07eb8c0b17164c1500e95dc2de910d9a4df
[INFO] running `Command { std: "docker" "start" "-a" "5897f734779ec4f6cefa5ff2d98da07eb8c0b17164c1500e95dc2de910d9a4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5897f734779ec4f6cefa5ff2d98da07eb8c0b17164c1500e95dc2de910d9a4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5897f734779ec4f6cefa5ff2d98da07eb8c0b17164c1500e95dc2de910d9a4df", kill_on_drop: false }`
[INFO] [stdout] 5897f734779ec4f6cefa5ff2d98da07eb8c0b17164c1500e95dc2de910d9a4df
[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] 053f1180727ad4ffd572bbebf4e22762fc14577215e80c46040aa90e720ccf6d
[INFO] running `Command { std: "docker" "start" "-a" "053f1180727ad4ffd572bbebf4e22762fc14577215e80c46040aa90e720ccf6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling prost v0.12.1
[INFO] [stderr]    Compiling prost-types v0.12.1
[INFO] [stderr]    Compiling prost-build v0.12.1
[INFO] [stderr]    Compiling tonic-build v0.10.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]    Compiling etcd-client v0.12.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.10.2
[INFO] [stderr]     Checking etcd-discovery v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "053f1180727ad4ffd572bbebf4e22762fc14577215e80c46040aa90e720ccf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053f1180727ad4ffd572bbebf4e22762fc14577215e80c46040aa90e720ccf6d", kill_on_drop: false }`
[INFO] [stdout] 053f1180727ad4ffd572bbebf4e22762fc14577215e80c46040aa90e720ccf6d