[INFO] fetching crate gsearch 0.1.2...
[INFO] checking gsearch-0.1.2 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate gsearch 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gsearch 0.1.2 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gsearch 0.1.2
[INFO] finished tweaking crates.io crate gsearch 0.1.2
[INFO] tweaked toml for crates.io crate gsearch 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate gsearch 0.1.2 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de666639912e346053c73ae74efbb113788170f0883098051c873b5983797cd2
[INFO] running `Command { std: "docker" "start" "-a" "de666639912e346053c73ae74efbb113788170f0883098051c873b5983797cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de666639912e346053c73ae74efbb113788170f0883098051c873b5983797cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de666639912e346053c73ae74efbb113788170f0883098051c873b5983797cd2", kill_on_drop: false }`
[INFO] [stdout] de666639912e346053c73ae74efbb113788170f0883098051c873b5983797cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11906e0f47034570fff8a4f762c52ab3ddf5dd383fc74f3b9d9da6fa72762f2
[INFO] running `Command { std: "docker" "start" "-a" "d11906e0f47034570fff8a4f762c52ab3ddf5dd383fc74f3b9d9da6fa72762f2", kill_on_drop: false }`
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[INFO] [stderr]     Checking gsearch v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/utils/files.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     drop(sender);
[INFO] [stdout]     |     ^^^^^------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&crossbeam_channel::Sender<Vec<idsketch::IdSeq>>`
[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/utils/files.rs:345:5
[INFO] [stdout]     |
[INFO] [stdout] 345 |     drop(sender);
[INFO] [stdout]     |     ^^^^^------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&crossbeam_channel::Sender<Vec<idsketch::IdSeq>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[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/utils/files.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     drop(sender);
[INFO] [stdout]     |     ^^^^^------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&crossbeam_channel::Sender<Vec<idsketch::IdSeq>>`
[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: 2 warnings 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/utils/files.rs:345:5
[INFO] [stdout]     |
[INFO] [stdout] 345 |     drop(sender);
[INFO] [stdout]     |     ^^^^^------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&crossbeam_channel::Sender<Vec<idsketch::IdSeq>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "d11906e0f47034570fff8a4f762c52ab3ddf5dd383fc74f3b9d9da6fa72762f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11906e0f47034570fff8a4f762c52ab3ddf5dd383fc74f3b9d9da6fa72762f2", kill_on_drop: false }`
[INFO] [stdout] d11906e0f47034570fff8a4f762c52ab3ddf5dd383fc74f3b9d9da6fa72762f2