[INFO] fetching crate slog-extlog 8.1.0... [INFO] checking slog-extlog-8.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate slog-extlog 8.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate slog-extlog 8.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config [INFO] started tweaking crates.io crate slog-extlog 8.1.0 [INFO] finished tweaking crates.io crate slog-extlog 8.1.0 [INFO] tweaked toml for crates.io crate slog-extlog 8.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 38 packages [INFO] [stderr] Adding erased-serde v0.3.31 (latest: v0.4.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded iobuffer v0.2.0 [INFO] [stderr] Downloaded slog-extlog-derive v8.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1fb1c235c2d99c09c5805c40af7501ee5f9e11621f6839818f2dbae7c06788de [INFO] running `Command { std: "docker" "start" "-a" "1fb1c235c2d99c09c5805c40af7501ee5f9e11621f6839818f2dbae7c06788de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fb1c235c2d99c09c5805c40af7501ee5f9e11621f6839818f2dbae7c06788de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb1c235c2d99c09c5805c40af7501ee5f9e11621f6839818f2dbae7c06788de", kill_on_drop: false }` [INFO] [stdout] 1fb1c235c2d99c09c5805c40af7501ee5f9e11621f6839818f2dbae7c06788de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b027319b6a1f0058e0ab2e6026dc03ec1c3331c2c23b1d7b07a1966a74dfa1d9 [INFO] running `Command { std: "docker" "start" "-a" "b027319b6a1f0058e0ab2e6026dc03ec1c3331c2c23b1d7b07a1966a74dfa1d9", kill_on_drop: false }` [INFO] [stderr] Checking iobuffer v0.2.0 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking erased-serde v0.3.31 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking slog v2.7.0 [INFO] [stderr] Checking slog-json v2.6.1 [INFO] [stderr] Checking slog-extlog v8.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling slog-extlog-derive v8.1.0 [INFO] [stdout] warning: struct `FooDecrLog` is never constructed [INFO] [stdout] --> benches/stats.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct FooDecrLog { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CumulBucketCounterLog` is never constructed [INFO] [stdout] --> tests/stats_query.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 104 | struct CumulBucketCounterLog { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 9.19s [INFO] running `Command { std: "docker" "inspect" "b027319b6a1f0058e0ab2e6026dc03ec1c3331c2c23b1d7b07a1966a74dfa1d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b027319b6a1f0058e0ab2e6026dc03ec1c3331c2c23b1d7b07a1966a74dfa1d9", kill_on_drop: false }` [INFO] [stdout] b027319b6a1f0058e0ab2e6026dc03ec1c3331c2c23b1d7b07a1966a74dfa1d9 [INFO] checking slog-extlog-8.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate slog-extlog 8.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate slog-extlog 8.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config [INFO] started tweaking crates.io crate slog-extlog 8.1.0 [INFO] finished tweaking crates.io crate slog-extlog 8.1.0 [INFO] tweaked toml for crates.io crate slog-extlog 8.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4629aa0b24ed964b4ef0cd76701ecca985524037764ea318019062ebddb00f97 [INFO] running `Command { std: "docker" "start" "-a" "4629aa0b24ed964b4ef0cd76701ecca985524037764ea318019062ebddb00f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4629aa0b24ed964b4ef0cd76701ecca985524037764ea318019062ebddb00f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4629aa0b24ed964b4ef0cd76701ecca985524037764ea318019062ebddb00f97", kill_on_drop: false }` [INFO] [stdout] 4629aa0b24ed964b4ef0cd76701ecca985524037764ea318019062ebddb00f97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e01f8f9bbf8bf69829c61013bbeff37e185873bd6d7ef79674d32b44daed8840 [INFO] running `Command { std: "docker" "start" "-a" "e01f8f9bbf8bf69829c61013bbeff37e185873bd6d7ef79674d32b44daed8840", kill_on_drop: false }` [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking iobuffer v0.2.0 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking erased-serde v0.3.31 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/slog-2.7.0/src/lib.rs:2602:9 [INFO] [stdout] | [INFO] [stdout] 2602 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `slog` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e01f8f9bbf8bf69829c61013bbeff37e185873bd6d7ef79674d32b44daed8840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e01f8f9bbf8bf69829c61013bbeff37e185873bd6d7ef79674d32b44daed8840", kill_on_drop: false }` [INFO] [stdout] e01f8f9bbf8bf69829c61013bbeff37e185873bd6d7ef79674d32b44daed8840