[INFO] fetching crate miau 0.1.1... [INFO] checking miau-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate miau 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate miau 0.1.1 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 miau 0.1.1 [INFO] finished tweaking crates.io crate miau 0.1.1 [INFO] tweaked toml for crates.io crate miau 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate miau 0.1.1 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] c6934e63e9948e90ab6e05aa5d66a8cb3f196ad91bd0f6e83b3feab6434efbdc [INFO] running `Command { std: "docker" "start" "-a" "c6934e63e9948e90ab6e05aa5d66a8cb3f196ad91bd0f6e83b3feab6434efbdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6934e63e9948e90ab6e05aa5d66a8cb3f196ad91bd0f6e83b3feab6434efbdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6934e63e9948e90ab6e05aa5d66a8cb3f196ad91bd0f6e83b3feab6434efbdc", kill_on_drop: false }` [INFO] [stdout] c6934e63e9948e90ab6e05aa5d66a8cb3f196ad91bd0f6e83b3feab6434efbdc [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] 7ca47c2f4555194cf1bd7bcc04204ddd5d7727afbbaefa6dd6be36c322cbd76a [INFO] running `Command { std: "docker" "start" "-a" "7ca47c2f4555194cf1bd7bcc04204ddd5d7727afbbaefa6dd6be36c322cbd76a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling rstest v0.6.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rmp v0.8.10 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling tokio-macros v0.3.2 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking rmp-serde v0.15.4 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking miau v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `experimental_serde_ron` [INFO] [stdout] --> src/format/mod.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(feature = "experimental_serde_ron")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `ini`, `json`, `json5`, `msgpack`, `rmp-serde`, `serde_ini`, `serde_json`, `serde_json5`, `serde_toml`, `serde_yaml`, `toml`, and `yaml` [INFO] [stdout] = help: consider adding `experimental_serde_ron` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `experimental_serde_ron` [INFO] [stdout] --> src/format/mod.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(feature = "experimental_serde_ron")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `ini`, `json`, `json5`, `msgpack`, `rmp-serde`, `serde_ini`, `serde_json`, `serde_json5`, `serde_toml`, `serde_yaml`, `toml`, and `yaml` [INFO] [stdout] = help: consider adding `experimental_serde_ron` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` 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 12.87s [INFO] running `Command { std: "docker" "inspect" "7ca47c2f4555194cf1bd7bcc04204ddd5d7727afbbaefa6dd6be36c322cbd76a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ca47c2f4555194cf1bd7bcc04204ddd5d7727afbbaefa6dd6be36c322cbd76a", kill_on_drop: false }` [INFO] [stdout] 7ca47c2f4555194cf1bd7bcc04204ddd5d7727afbbaefa6dd6be36c322cbd76a