[INFO] fetching crate tracing_sprout 0.1.0-alpha.6... [INFO] checking tracing_sprout-0.1.0-alpha.6 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tracing_sprout 0.1.0-alpha.6 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tracing_sprout 0.1.0-alpha.6 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing_sprout 0.1.0-alpha.6 [INFO] finished tweaking crates.io crate tracing_sprout 0.1.0-alpha.6 [INFO] tweaked toml for crates.io crate tracing_sprout 0.1.0-alpha.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate tracing_sprout 0.1.0-alpha.6 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6e6c219b65f67548376a090f25556adbfc65df3519e2ba0bf3cdf3ad33212c4 [INFO] running `Command { std: "docker" "start" "-a" "e6e6c219b65f67548376a090f25556adbfc65df3519e2ba0bf3cdf3ad33212c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6e6c219b65f67548376a090f25556adbfc65df3519e2ba0bf3cdf3ad33212c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6e6c219b65f67548376a090f25556adbfc65df3519e2ba0bf3cdf3ad33212c4", kill_on_drop: false }` [INFO] [stdout] e6e6c219b65f67548376a090f25556adbfc65df3519e2ba0bf3cdf3ad33212c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 235ed1a7327a322afeb6adf5d7740c96e2b5ee19445a7af3cf3d592199b32fd4 [INFO] running `Command { std: "docker" "start" "-a" "235ed1a7327a322afeb6adf5d7740c96e2b5ee19445a7af3cf3d592199b32fd4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking tracing-subscriber v0.3.14 [INFO] [stderr] Checking tracing_sprout v0.1.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s [INFO] running `Command { std: "docker" "inspect" "235ed1a7327a322afeb6adf5d7740c96e2b5ee19445a7af3cf3d592199b32fd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "235ed1a7327a322afeb6adf5d7740c96e2b5ee19445a7af3cf3d592199b32fd4", kill_on_drop: false }` [INFO] [stdout] 235ed1a7327a322afeb6adf5d7740c96e2b5ee19445a7af3cf3d592199b32fd4