[INFO] fetching crate easy-modbus 0.0.5... [INFO] checking easy-modbus-0.0.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate easy-modbus 0.0.5 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate easy-modbus 0.0.5 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate easy-modbus 0.0.5 [INFO] finished tweaking crates.io crate easy-modbus 0.0.5 [INFO] tweaked toml for crates.io crate easy-modbus 0.0.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate easy-modbus 0.0.5 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.21 [INFO] [stderr] Downloaded tracing v0.1.34 [INFO] [stderr] Downloaded futures-executor v0.3.21 [INFO] [stderr] Downloaded futures-macro v0.3.21 [INFO] [stderr] Downloaded parking_lot_core v0.9.3 [INFO] [stderr] Downloaded once_cell v1.11.0 [INFO] [stderr] Downloaded futures v0.3.21 [INFO] [stderr] Downloaded serialport v4.2.0 [INFO] [stderr] Downloaded nix v0.23.1 [INFO] [stderr] Downloaded nix v0.24.2 [INFO] [stderr] Downloaded tokio v1.18.2 [INFO] [stderr] Downloaded mio-serial v5.0.2 [INFO] [stderr] Downloaded tokio-serial v5.4.3 [INFO] [stderr] Downloaded syn v1.0.95 [INFO] [stderr] Downloaded tokio-util v0.7.2 [INFO] [stderr] Downloaded unicode-ident v1.0.0 [INFO] [stderr] Downloaded tracing-core v0.1.26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc7fc602477d30d02a189adcc21ca8e98d7893a86ec53ad2a269104b4ec126d1 [INFO] running `Command { std: "docker" "start" "-a" "fc7fc602477d30d02a189adcc21ca8e98d7893a86ec53ad2a269104b4ec126d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc7fc602477d30d02a189adcc21ca8e98d7893a86ec53ad2a269104b4ec126d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc7fc602477d30d02a189adcc21ca8e98d7893a86ec53ad2a269104b4ec126d1", kill_on_drop: false }` [INFO] [stdout] fc7fc602477d30d02a189adcc21ca8e98d7893a86ec53ad2a269104b4ec126d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73ca2ef175ddc7cf8adb27e5cb1c76d388d771d7220ddd37ac3927b1d016f55b [INFO] running `Command { std: "docker" "start" "-a" "73ca2ef175ddc7cf8adb27e5cb1c76d388d771d7220ddd37ac3927b1d016f55b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking once_cell v1.11.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.24.2 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking serialport v4.2.0 [INFO] [stderr] Checking mio-serial v5.0.2 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking tokio-util v0.7.2 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-serial v5.4.3 [INFO] [stderr] Checking easy-modbus v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ReadCoilsRequest` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | }; [INFO] [stdout] 12 | use crate::frame::request::*; [INFO] [stdout] | ------------------------ the item `ReadCoilsRequest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Request` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | }; [INFO] [stdout] 12 | use crate::frame::request::*; [INFO] [stdout] | ------------------------ the item `Request` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ReadCoilsResponse` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:60 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `ReadCoilsResponse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Response` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:79 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Response` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Response` is imported redundantly [INFO] [stdout] --> src/codec/encoder.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Response` is already imported here [INFO] [stdout] 9 | use crate::frame::response::Response; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ReadCoilsRequest` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | }; [INFO] [stdout] 12 | use crate::frame::request::*; [INFO] [stdout] | ------------------------ the item `ReadCoilsRequest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Request` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | }; [INFO] [stdout] 12 | use crate::frame::request::*; [INFO] [stdout] | ------------------------ the item `Request` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ReadCoilsResponse` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:60 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `ReadCoilsResponse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Response` is imported redundantly [INFO] [stdout] --> src/codec/decoder.rs:10:79 [INFO] [stdout] | [INFO] [stdout] 10 | Head, request::{ReadCoilsRequest, Request}, response::{ReadCoilsResponse, Response}, Version, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Response` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Response` is imported redundantly [INFO] [stdout] --> src/codec/encoder.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Response` is already imported here [INFO] [stdout] 9 | use crate::frame::response::Response; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Length` is imported redundantly [INFO] [stdout] --> src/frame/request.rs:481:9 [INFO] [stdout] | [INFO] [stdout] 481 | use crate::frame::Length; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 482 | use crate::frame::request::*; [INFO] [stdout] | ------------------------ the item `Length` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Exception` is imported redundantly [INFO] [stdout] --> src/frame/response.rs:500:24 [INFO] [stdout] | [INFO] [stdout] 500 | use crate::frame::{Exception, Length}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 501 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Exception` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Length` is imported redundantly [INFO] [stdout] --> src/frame/response.rs:500:35 [INFO] [stdout] | [INFO] [stdout] 500 | use crate::frame::{Exception, Length}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 501 | use crate::frame::response::*; [INFO] [stdout] | ------------------------- the item `Length` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.94s [INFO] running `Command { std: "docker" "inspect" "73ca2ef175ddc7cf8adb27e5cb1c76d388d771d7220ddd37ac3927b1d016f55b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ca2ef175ddc7cf8adb27e5cb1c76d388d771d7220ddd37ac3927b1d016f55b", kill_on_drop: false }` [INFO] [stdout] 73ca2ef175ddc7cf8adb27e5cb1c76d388d771d7220ddd37ac3927b1d016f55b