[INFO] fetching crate meta_tuple 0.4.2... [INFO] checking meta_tuple-0.4.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate meta_tuple 0.4.2 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate meta_tuple 0.4.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate meta_tuple 0.4.2 [INFO] tweaked toml for crates.io crate meta_tuple 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate meta_tuple 0.4.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate meta_tuple 0.4.2 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded meta_tuple_derive v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21229c627aab120e5670c2fdc22e9ff2a27e6463aac5468b560838d7f75e6dc5 [INFO] running `Command { std: "docker" "start" "-a" "21229c627aab120e5670c2fdc22e9ff2a27e6463aac5468b560838d7f75e6dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21229c627aab120e5670c2fdc22e9ff2a27e6463aac5468b560838d7f75e6dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21229c627aab120e5670c2fdc22e9ff2a27e6463aac5468b560838d7f75e6dc5", kill_on_drop: false }` [INFO] [stdout] 21229c627aab120e5670c2fdc22e9ff2a27e6463aac5468b560838d7f75e6dc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11fa83a242fde5683a7cd2117dcfe6660dafd3e2050c7473d54b21eac3e21da5 [INFO] running `Command { std: "docker" "start" "-a" "11fa83a242fde5683a7cd2117dcfe6660dafd3e2050c7473d54b21eac3e21da5", kill_on_drop: false }` [INFO] [stderr] Checking never-say-never v6.6.666 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking higher-kinded-types v0.1.1 [INFO] [stderr] Checking polonius-the-crab v0.4.2 [INFO] [stderr] Compiling meta_tuple_derive v0.2.0 [INFO] [stderr] Checking meta_tuple v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/use_case.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct DamageDealt(usize); [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTypeGeneric2` is never constructed [INFO] [stdout] --> tests/test.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct MyTypeGeneric2(T); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTypeGeneric3` is never constructed [INFO] [stdout] --> tests/test.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MyTypeGeneric3(T); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTypeGeneric4` is never constructed [INFO] [stdout] --> tests/test.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct MyTypeGeneric4(T); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: higher-kinded-types v0.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "11fa83a242fde5683a7cd2117dcfe6660dafd3e2050c7473d54b21eac3e21da5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11fa83a242fde5683a7cd2117dcfe6660dafd3e2050c7473d54b21eac3e21da5", kill_on_drop: false }` [INFO] [stdout] 11fa83a242fde5683a7cd2117dcfe6660dafd3e2050c7473d54b21eac3e21da5