[INFO] fetching crate slog-perf 0.2.0... [INFO] checking slog-perf-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate slog-perf 0.2.0 into /workspace/builds/worker-78/source [INFO] validating manifest of crates.io crate slog-perf 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate slog-perf 0.2.0 [INFO] finished tweaking crates.io crate slog-perf 0.2.0 [INFO] tweaked toml for crates.io crate slog-perf 0.2.0 written to /workspace/builds/worker-78/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f106fa833c63661d764f42cdfab3ff0f99c39015da9d45a53a5f7c2d9a7b425a [INFO] running `Command { std: "docker" "start" "-a" "f106fa833c63661d764f42cdfab3ff0f99c39015da9d45a53a5f7c2d9a7b425a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f106fa833c63661d764f42cdfab3ff0f99c39015da9d45a53a5f7c2d9a7b425a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f106fa833c63661d764f42cdfab3ff0f99c39015da9d45a53a5f7c2d9a7b425a", kill_on_drop: false }` [INFO] [stdout] f106fa833c63661d764f42cdfab3ff0f99c39015da9d45a53a5f7c2d9a7b425a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ccf9d66eb9051e021f63982d3ea6a2980b932023025484101bc79875893618d [INFO] running `Command { std: "docker" "start" "-a" "0ccf9d66eb9051e021f63982d3ea6a2980b932023025484101bc79875893618d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking slog-perf v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | ser: &mut slog::Serializer) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | ser: &mut slog::Serializer) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.84s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0ccf9d66eb9051e021f63982d3ea6a2980b932023025484101bc79875893618d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ccf9d66eb9051e021f63982d3ea6a2980b932023025484101bc79875893618d", kill_on_drop: false }` [INFO] [stdout] 0ccf9d66eb9051e021f63982d3ea6a2980b932023025484101bc79875893618d