[INFO] fetching crate rpc-api 0.1.0... [INFO] checking rpc-api-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rpc-api 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rpc-api 0.1.0 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 rpc-api 0.1.0 [INFO] finished tweaking crates.io crate rpc-api 0.1.0 [INFO] tweaked toml for crates.io crate rpc-api 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 139 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding foreign-types v0.3.2 (available: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding h2 v0.3.26 (available: v0.4.6) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding http v0.2.12 (available: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (available: v1.0.1) [INFO] [stderr] Adding http-body v1.0.0-rc.2 (available: v1.0.1) [INFO] [stderr] Adding http-body-util v0.1.0-rc.2 (available: v0.1.2) [INFO] [stderr] Adding hyper v0.14.30 (available: v1.4.1) [INFO] [stderr] Adding hyper v1.0.0-rc.4 (available: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.5.0 (available: v0.6.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding reqwest v0.11.27 (available: v0.12.7) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (available: v2.1.3) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding sync_wrapper v0.1.2 (available: v1.0.1) [INFO] [stderr] Adding system-configuration v0.5.1 (available: v0.6.1) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (available: v0.6.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.48.0 (available: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding winreg v0.50.0 (available: v0.52.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 056ae91d0c01039b5a117bcd6ee61df5d5a29b8256ca0510f36e96c9f5cbfea8 [INFO] running `Command { std: "docker" "start" "-a" "056ae91d0c01039b5a117bcd6ee61df5d5a29b8256ca0510f36e96c9f5cbfea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "056ae91d0c01039b5a117bcd6ee61df5d5a29b8256ca0510f36e96c9f5cbfea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056ae91d0c01039b5a117bcd6ee61df5d5a29b8256ca0510f36e96c9f5cbfea8", kill_on_drop: false }` [INFO] [stdout] 056ae91d0c01039b5a117bcd6ee61df5d5a29b8256ca0510f36e96c9f5cbfea8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4fb8c3ede484df3e11b997eb2e0949c6e71c5ae03fefd9783f48062e8d2cdc2e [INFO] running `Command { std: "docker" "start" "-a" "4fb8c3ede484df3e11b997eb2e0949c6e71c5ae03fefd9783f48062e8d2cdc2e", kill_on_drop: false }` [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking http-body v1.0.0-rc.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking http-body-util v0.1.0-rc.2 [INFO] [stderr] Compiling trait-set v0.3.0 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking openssl v0.10.66 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking native-tls v0.2.12 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking hyper v0.14.30 [INFO] [stderr] Checking hyper v1.0.0-rc.4 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking rpc-api v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/rpc/handlers.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Context` [INFO] [stdout] --> src/rpc/handlers.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned` [INFO] [stdout] --> src/rpc/handlers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use serde::de::DeserializeOwned; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/rpc/handlers.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Error` [INFO] [stdout] --> src/rpc/conversions.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_json::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/rpc/proxy.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned` [INFO] [stdout] --> src/rpc/proxy.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::de::DeserializeOwned; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/rpc/proxy.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::rpc` [INFO] [stdout] --> src/rpc/proxy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::rpc; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/rpc/properties.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/rpc/properties.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/rpc/handlers.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Context` [INFO] [stdout] --> src/rpc/handlers.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned` [INFO] [stdout] --> src/rpc/handlers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use serde::de::DeserializeOwned; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/rpc/handlers.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Error` [INFO] [stdout] --> src/rpc/conversions.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_json::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/rpc/proxy.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned` [INFO] [stdout] --> src/rpc/proxy.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::de::DeserializeOwned; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/rpc/proxy.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::rpc` [INFO] [stdout] --> src/rpc/proxy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::rpc; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/rpc/properties.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/rpc/conversions.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | Err(err) => { Err(rpc_error("serde from_str failed")) } [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/rpc/conversions.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | Err(err) => { Err(rpc_error("serde from_str failed")) } [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.68s [INFO] running `Command { std: "docker" "inspect" "4fb8c3ede484df3e11b997eb2e0949c6e71c5ae03fefd9783f48062e8d2cdc2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb8c3ede484df3e11b997eb2e0949c6e71c5ae03fefd9783f48062e8d2cdc2e", kill_on_drop: false }` [INFO] [stdout] 4fb8c3ede484df3e11b997eb2e0949c6e71c5ae03fefd9783f48062e8d2cdc2e