[INFO] fetching crate turingmachine-rs 0.2.0... [INFO] checking turingmachine-rs-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate turingmachine-rs 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate turingmachine-rs 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate turingmachine-rs 0.2.0 [INFO] finished tweaking crates.io crate turingmachine-rs 0.2.0 [INFO] tweaked toml for crates.io crate turingmachine-rs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate turingmachine-rs 0.2.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f76b749402da77f6b14c5703fb18496dacc8f91f75cae5c75fd18bacc89838b1 [INFO] running `Command { std: "docker" "start" "-a" "f76b749402da77f6b14c5703fb18496dacc8f91f75cae5c75fd18bacc89838b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f76b749402da77f6b14c5703fb18496dacc8f91f75cae5c75fd18bacc89838b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f76b749402da77f6b14c5703fb18496dacc8f91f75cae5c75fd18bacc89838b1", kill_on_drop: false }` [INFO] [stdout] f76b749402da77f6b14c5703fb18496dacc8f91f75cae5c75fd18bacc89838b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8711f870352df87a4ae2956e48545fe9dd66fdbc0db34ae9609b120b3ab50a89 [INFO] running `Command { std: "docker" "start" "-a" "8711f870352df87a4ae2956e48545fe9dd66fdbc0db34ae9609b120b3ab50a89", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking turingmachine-rs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `iter::Cycle` [INFO] [stdout] --> examples/divisibility.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{fmt, iter::Cycle}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MarkedOne` and `Halt` are never constructed [INFO] [stdout] --> examples/divisibility.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum Alphabet { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 22 | MarkedOne, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 23 | Halt, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Alphabet` has a derived impl for the trait `Clone`, 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: variants `Found1InDenominator` and `Found1InNuminator` are never constructed [INFO] [stdout] --> examples/divisibility.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 41 | enum States { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 45 | Found1InDenominator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | Found1InNuminator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `States` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "8711f870352df87a4ae2956e48545fe9dd66fdbc0db34ae9609b120b3ab50a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8711f870352df87a4ae2956e48545fe9dd66fdbc0db34ae9609b120b3ab50a89", kill_on_drop: false }` [INFO] [stdout] 8711f870352df87a4ae2956e48545fe9dd66fdbc0db34ae9609b120b3ab50a89