[INFO] fetching crate voiceit2 0.4.1...
[INFO] checking voiceit2-0.4.1 against master#e29821ff85a2a3000d226f99f62f89464028d5d6 for pr-111505
[INFO] extracting crate voiceit2 0.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate voiceit2 0.4.1 on toolchain e29821ff85a2a3000d226f99f62f89464028d5d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voiceit2 0.4.1
[INFO] finished tweaking crates.io crate voiceit2 0.4.1
[INFO] tweaked toml for crates.io crate voiceit2 0.4.1 written to /workspace/builds/worker-2-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" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "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" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6a50e948bb743b9c422aa7e5e654dab36082c71e4b3429e434661cddca633d4a
[INFO] running `Command { std: "docker" "start" "-a" "6a50e948bb743b9c422aa7e5e654dab36082c71e4b3429e434661cddca633d4a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "6a50e948bb743b9c422aa7e5e654dab36082c71e4b3429e434661cddca633d4a", kill_on_drop: false }`
[INFO] [stdout] 6a50e948bb743b9c422aa7e5e654dab36082c71e4b3429e434661cddca633d4a
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e29821ff85a2a3000d226f99f62f89464028d5d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a7e8496cfcaf89d3389862e079298df0c707fa5edd9c103dc47f677f9d2b16d
[INFO] running `Command { std: "docker" "start" "-a" "1a7e8496cfcaf89d3389862e079298df0c707fa5edd9c103dc47f677f9d2b16d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         &x.add_notification_url("https://voiceit.io");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let _ = &x.add_notification_url("https://voiceit.io");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         &x.remove_notification_url();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let _ = &x.remove_notification_url();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         &x.delete_user(&user_id1).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 571 |         let _ = &x.delete_user(&user_id1).unwrap();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:572:9
[INFO] [stdout]     |
[INFO] [stdout] 572 |         &x.delete_user(&user_id2).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 572 |         let _ = &x.delete_user(&user_id2).unwrap();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:573:9
[INFO] [stdout]     |
[INFO] [stdout] 573 |         &x.delete_group(&group_id).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let _ = &x.delete_group(&group_id).unwrap();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.91s
[INFO] running `Command { std: "docker" "inspect" "1a7e8496cfcaf89d3389862e079298df0c707fa5edd9c103dc47f677f9d2b16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7e8496cfcaf89d3389862e079298df0c707fa5edd9c103dc47f677f9d2b16d", kill_on_drop: false }`
[INFO] [stdout] 1a7e8496cfcaf89d3389862e079298df0c707fa5edd9c103dc47f677f9d2b16d