[INFO] fetching crate blobtk 0.3.5...
[INFO] checking blobtk-0.3.5 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate blobtk 0.3.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate blobtk 0.3.5 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blobtk 0.3.5
[INFO] finished tweaking crates.io crate blobtk 0.3.5
[INFO] tweaked toml for crates.io crate blobtk 0.3.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate blobtk 0.3.5 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393cbd0fe2cbde1d58bd05aad104f94cad76e437316dc712928e589ebb19e4c7
[INFO] running `Command { std: "docker" "start" "-a" "393cbd0fe2cbde1d58bd05aad104f94cad76e437316dc712928e589ebb19e4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393cbd0fe2cbde1d58bd05aad104f94cad76e437316dc712928e589ebb19e4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393cbd0fe2cbde1d58bd05aad104f94cad76e437316dc712928e589ebb19e4c7", kill_on_drop: false }`
[INFO] [stdout] 393cbd0fe2cbde1d58bd05aad104f94cad76e437316dc712928e589ebb19e4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a96ef3723709cef103803d19655054a78b7140a172b142a270b66e4771cba357
[INFO] running `Command { std: "docker" "start" "-a" "a96ef3723709cef103803d19655054a78b7140a172b142a270b66e4771cba357", kill_on_drop: false }`
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[INFO] [stderr]     Checking rust-htslib v0.40.2
[INFO] [stderr]     Checking blobtk v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&category::Category` instead of borrowing the inner type
[INFO] [stdout]    --> src/plot/blob.rs:343:40
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let cat = cat_order[*cat_index].borrow();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `LegendEntry` instead of cloning the inner type
[INFO] [stdout]    --> src/plot/component.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .add(nodeText::new(&entry.clone().title));
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `LegendEntry` instead of cloning the inner type
[INFO] [stdout]    --> src/plot/component.rs:133:41
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 .add(nodeText::new(entry.clone().subtitle.clone().unwrap()))
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&category::Category` instead of borrowing the inner type
[INFO] [stdout]    --> src/plot/blob.rs:343:40
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let cat = cat_order[*cat_index].borrow();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `LegendEntry` instead of cloning the inner type
[INFO] [stdout]    --> src/plot/component.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .add(nodeText::new(&entry.clone().title));
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `LegendEntry` instead of cloning the inner type
[INFO] [stdout]    --> src/plot/component.rs:133:41
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 .add(nodeText::new(entry.clone().subtitle.clone().unwrap()))
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.30s
[INFO] running `Command { std: "docker" "inspect" "a96ef3723709cef103803d19655054a78b7140a172b142a270b66e4771cba357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96ef3723709cef103803d19655054a78b7140a172b142a270b66e4771cba357", kill_on_drop: false }`
[INFO] [stdout] a96ef3723709cef103803d19655054a78b7140a172b142a270b66e4771cba357
