[INFO] fetching crate command-macros-plugin 0.2.7...
[INFO] checking command-macros-plugin-0.2.7 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate command-macros-plugin 0.2.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate command-macros-plugin 0.2.7 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate command-macros-plugin 0.2.7
[INFO] finished tweaking crates.io crate command-macros-plugin 0.2.7
[INFO] tweaked toml for crates.io crate command-macros-plugin 0.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d1db49f22280c671bad21824f5159c03c091eb4644aef8ce30148a5b9ff417
[INFO] running `Command { std: "docker" "start" "-a" "c3d1db49f22280c671bad21824f5159c03c091eb4644aef8ce30148a5b9ff417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d1db49f22280c671bad21824f5159c03c091eb4644aef8ce30148a5b9ff417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d1db49f22280c671bad21824f5159c03c091eb4644aef8ce30148a5b9ff417", kill_on_drop: false }`
[INFO] [stdout] c3d1db49f22280c671bad21824f5159c03c091eb4644aef8ce30148a5b9ff417
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4754d11e83e56e5dd5923c671a6ec0e6f26467822d12f4630be179de19fcf817
[INFO] running `Command { std: "docker" "start" "-a" "4754d11e83e56e5dd5923c671a6ec0e6f26467822d12f4630be179de19fcf817", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking command-macros-plugin v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |         drop(_dont_use_self);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |         drop(_dont_use_self);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |         drop(_dont_use_self);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:82:57
[INFO] [stdout]    |
[INFO] [stdout] 82 |         fn inc(x: i32) -> String { (x + 1).to_string() };
[INFO] [stdout]    |                                                         ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "4754d11e83e56e5dd5923c671a6ec0e6f26467822d12f4630be179de19fcf817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4754d11e83e56e5dd5923c671a6ec0e6f26467822d12f4630be179de19fcf817", kill_on_drop: false }`
[INFO] [stdout] 4754d11e83e56e5dd5923c671a6ec0e6f26467822d12f4630be179de19fcf817
