[INFO] fetching crate tower-cache 0.0.1...
[INFO] checking tower-cache-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tower-cache 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tower-cache 0.0.1 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 tower-cache 0.0.1
[INFO] finished tweaking crates.io crate tower-cache 0.0.1
[INFO] tweaked toml for crates.io crate tower-cache 0.0.1 written to /workspace/builds/worker-1-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 70 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding lru v0.7.8 (latest: v0.12.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] 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] a3d6e2b2c90b438c33ab6e8016bfc04d8d5803f277899ee83a48fb4f0621562f
[INFO] running `Command { std: "docker" "start" "-a" "a3d6e2b2c90b438c33ab6e8016bfc04d8d5803f277899ee83a48fb4f0621562f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3d6e2b2c90b438c33ab6e8016bfc04d8d5803f277899ee83a48fb4f0621562f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d6e2b2c90b438c33ab6e8016bfc04d8d5803f277899ee83a48fb4f0621562f", kill_on_drop: false }`
[INFO] [stdout] a3d6e2b2c90b438c33ab6e8016bfc04d8d5803f277899ee83a48fb4f0621562f
[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] f364f5f2d77f13918727d935c09e00ca2f676e674f45a2203902cbfb87a9813d
[INFO] running `Command { std: "docker" "start" "-a" "f364f5f2d77f13918727d935c09e00ca2f676e674f45a2203902cbfb87a9813d", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-cache v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Service` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:216:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |     use super::*;
[INFO] [stdout]     |         -------- the item `Service` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 216 |     use tower::{service_fn, Service, ServiceBuilder};
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "f364f5f2d77f13918727d935c09e00ca2f676e674f45a2203902cbfb87a9813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f364f5f2d77f13918727d935c09e00ca2f676e674f45a2203902cbfb87a9813d", kill_on_drop: false }`
[INFO] [stdout] f364f5f2d77f13918727d935c09e00ca2f676e674f45a2203902cbfb87a9813d
[INFO] checking tower-cache-0.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tower-cache 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tower-cache 0.0.1 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 tower-cache 0.0.1
[INFO] finished tweaking crates.io crate tower-cache 0.0.1
[INFO] tweaked toml for crates.io crate tower-cache 0.0.1 written to /workspace/builds/worker-1-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 70 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding lru v0.7.8 (latest: v0.12.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] 9b796e2875bd6f4e6052438ff26f2c1661ab65566413883e98dcea53d0b279ac
[INFO] running `Command { std: "docker" "start" "-a" "9b796e2875bd6f4e6052438ff26f2c1661ab65566413883e98dcea53d0b279ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b796e2875bd6f4e6052438ff26f2c1661ab65566413883e98dcea53d0b279ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b796e2875bd6f4e6052438ff26f2c1661ab65566413883e98dcea53d0b279ac", kill_on_drop: false }`
[INFO] [stdout] 9b796e2875bd6f4e6052438ff26f2c1661ab65566413883e98dcea53d0b279ac
[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] 0ba0c12aec591a67f87ca3e376d46c54dfc051c5490bdb7cf70827bc2ef0a672
[INFO] running `Command { std: "docker" "start" "-a" "0ba0c12aec591a67f87ca3e376d46c54dfc051c5490bdb7cf70827bc2ef0a672", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-cache v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Service` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:216:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |     use super::*;
[INFO] [stdout]     |         -------- the item `Service` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 216 |     use tower::{service_fn, Service, ServiceBuilder};
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "0ba0c12aec591a67f87ca3e376d46c54dfc051c5490bdb7cf70827bc2ef0a672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba0c12aec591a67f87ca3e376d46c54dfc051c5490bdb7cf70827bc2ef0a672", kill_on_drop: false }`
[INFO] [stdout] 0ba0c12aec591a67f87ca3e376d46c54dfc051c5490bdb7cf70827bc2ef0a672