[INFO] fetching crate google-dns-dynamic 0.1.3...
[INFO] checking google-dns-dynamic-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate google-dns-dynamic 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate google-dns-dynamic 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 google-dns-dynamic 0.1.3
[INFO] finished tweaking crates.io crate google-dns-dynamic 0.1.3
[INFO] tweaked toml for crates.io crate google-dns-dynamic 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate google-dns-dynamic 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.28
[INFO] [stderr]   Downloaded ipnet v2.3.1
[INFO] [stderr]   Downloaded reqwest v0.11.8
[INFO] [stderr]   Downloaded tokio-util v0.6.9
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] [stderr]   Downloaded h2 v0.3.9
[INFO] [stderr]   Downloaded hyper v0.14.16
[INFO] [stderr]   Downloaded serde_json v1.0.74
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.30
[INFO] [stderr]   Downloaded webpki-roots v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aa3abd8c5b516da92ef4351f1260809f1e156eb5be6ab5d1ac5622e289dc3957
[INFO] running `Command { std: "docker" "start" "-a" "aa3abd8c5b516da92ef4351f1260809f1e156eb5be6ab5d1ac5622e289dc3957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa3abd8c5b516da92ef4351f1260809f1e156eb5be6ab5d1ac5622e289dc3957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3abd8c5b516da92ef4351f1260809f1e156eb5be6ab5d1ac5622e289dc3957", kill_on_drop: false }`
[INFO] [stdout] aa3abd8c5b516da92ef4351f1260809f1e156eb5be6ab5d1ac5622e289dc3957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d1b7a2a3580c4a4b9bc48050cffb534b2285206be3985aa9d4e7929681437a64
[INFO] running `Command { std: "docker" "start" "-a" "d1b7a2a3580c4a4b9bc48050cffb534b2285206be3985aa9d4e7929681437a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.8
[INFO] [stderr]     Checking google-dns-dynamic v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `Command { std: "docker" "inspect" "d1b7a2a3580c4a4b9bc48050cffb534b2285206be3985aa9d4e7929681437a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b7a2a3580c4a4b9bc48050cffb534b2285206be3985aa9d4e7929681437a64", kill_on_drop: false }`
[INFO] [stdout] d1b7a2a3580c4a4b9bc48050cffb534b2285206be3985aa9d4e7929681437a64
[INFO] checking google-dns-dynamic-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate google-dns-dynamic 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate google-dns-dynamic 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 google-dns-dynamic 0.1.3
[INFO] finished tweaking crates.io crate google-dns-dynamic 0.1.3
[INFO] tweaked toml for crates.io crate google-dns-dynamic 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate google-dns-dynamic 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca0b45daa542e683e12ed49b9a337c3835a7c85b36d8597963e5b283d37efd53
[INFO] running `Command { std: "docker" "start" "-a" "ca0b45daa542e683e12ed49b9a337c3835a7c85b36d8597963e5b283d37efd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0b45daa542e683e12ed49b9a337c3835a7c85b36d8597963e5b283d37efd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0b45daa542e683e12ed49b9a337c3835a7c85b36d8597963e5b283d37efd53", kill_on_drop: false }`
[INFO] [stdout] ca0b45daa542e683e12ed49b9a337c3835a7c85b36d8597963e5b283d37efd53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 06f7a798c887656b36e734c979e9d6a8ba9d5a04ba161153fac9f4c432811721
[INFO] running `Command { std: "docker" "start" "-a" "06f7a798c887656b36e734c979e9d6a8ba9d5a04ba161153fac9f4c432811721", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.8
[INFO] [stderr]     Checking google-dns-dynamic v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.95s
[INFO] running `Command { std: "docker" "inspect" "06f7a798c887656b36e734c979e9d6a8ba9d5a04ba161153fac9f4c432811721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f7a798c887656b36e734c979e9d6a8ba9d5a04ba161153fac9f4c432811721", kill_on_drop: false }`
[INFO] [stdout] 06f7a798c887656b36e734c979e9d6a8ba9d5a04ba161153fac9f4c432811721