[INFO] fetching crate esp-01 0.1.1... [INFO] checking esp-01-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate esp-01 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate esp-01 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 esp-01 0.1.1 [INFO] finished tweaking crates.io crate esp-01 0.1.1 [INFO] tweaked toml for crates.io crate esp-01 0.1.1 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.4.12 (available: v0.7.6) [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding itoa v0.4.8 (available: v1.0.11) [INFO] [stderr] Adding nb v0.1.3 (available: v1.1.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a05c3b4dd21e1c105eb1de26a8ae2166f385ab534d04c0006d66cccb36188425 [INFO] running `Command { std: "docker" "start" "-a" "a05c3b4dd21e1c105eb1de26a8ae2166f385ab534d04c0006d66cccb36188425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a05c3b4dd21e1c105eb1de26a8ae2166f385ab534d04c0006d66cccb36188425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a05c3b4dd21e1c105eb1de26a8ae2166f385ab534d04c0006d66cccb36188425", kill_on_drop: false }` [INFO] [stdout] a05c3b4dd21e1c105eb1de26a8ae2166f385ab534d04c0006d66cccb36188425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1aeb32de481f143c8d6b324a8c081574045ce429eb377db0cb4d39905d783102 [INFO] running `Command { std: "docker" "start" "-a" "1aeb32de481f143c8d6b324a8c081574045ce429eb377db0cb4d39905d783102", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking esp-01 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `step` and `cause` are never read [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 83 | pub struct TransmissionError { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 84 | step: TransmissionStep, [INFO] [stdout] | ^^^^ [INFO] [stdout] 85 | cause: Error [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `step` and `cause` are never read [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 83 | pub struct TransmissionError { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 84 | step: TransmissionStep, [INFO] [stdout] | ^^^^ [INFO] [stdout] 85 | cause: Error [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.39s [INFO] running `Command { std: "docker" "inspect" "1aeb32de481f143c8d6b324a8c081574045ce429eb377db0cb4d39905d783102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aeb32de481f143c8d6b324a8c081574045ce429eb377db0cb4d39905d783102", kill_on_drop: false }` [INFO] [stdout] 1aeb32de481f143c8d6b324a8c081574045ce429eb377db0cb4d39905d783102