[INFO] fetching crate bam 0.1.4...
[INFO] checking bam-0.1.4 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bam 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bam 0.1.4 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bam 0.1.4
[INFO] finished tweaking crates.io crate bam 0.1.4
[INFO] tweaked toml for crates.io crate bam 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d3c1583a01f7cd3003f408d8f88a7c682a3f760de31813084b0c30b8f661ef2
[INFO] running `Command { std: "docker" "start" "-a" "2d3c1583a01f7cd3003f408d8f88a7c682a3f760de31813084b0c30b8f661ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d3c1583a01f7cd3003f408d8f88a7c682a3f760de31813084b0c30b8f661ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3c1583a01f7cd3003f408d8f88a7c682a3f760de31813084b0c30b8f661ef2", kill_on_drop: false }`
[INFO] [stdout] 2d3c1583a01f7cd3003f408d8f88a7c682a3f760de31813084b0c30b8f661ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea3d13fbddbe7eac5a1bea0b70e3057a64b0f2a69ca1ec7829d9c8bd320e68f
[INFO] running `Command { std: "docker" "start" "-a" "bea3d13fbddbe7eac5a1bea0b70e3057a64b0f2a69ca1ec7829d9c8bd320e68f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bam v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/header.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/bgzip/read.rs:631:17
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:635:13
[INFO] [stdout]     |
[INFO] [stdout] 635 |             std::mem::drop(block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&Block`
[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/bgzip/read.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:787:9
[INFO] [stdout]     |
[INFO] [stdout] 787 |         std::mem::drop(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `&Block`
[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/pileup.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     std::mem::drop(entry);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    argument has type `&mut PileupEntry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/header.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/bgzip/read.rs:631:17
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:635:13
[INFO] [stdout]     |
[INFO] [stdout] 635 |             std::mem::drop(block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&Block`
[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/bgzip/read.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:787:9
[INFO] [stdout]     |
[INFO] [stdout] 787 |         std::mem::drop(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `&Block`
[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/pileup.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     std::mem::drop(entry);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    argument has type `&mut PileupEntry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "bea3d13fbddbe7eac5a1bea0b70e3057a64b0f2a69ca1ec7829d9c8bd320e68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea3d13fbddbe7eac5a1bea0b70e3057a64b0f2a69ca1ec7829d9c8bd320e68f", kill_on_drop: false }`
[INFO] [stdout] bea3d13fbddbe7eac5a1bea0b70e3057a64b0f2a69ca1ec7829d9c8bd320e68f
[INFO] checking bam-0.1.4 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bam 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bam 0.1.4 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bam 0.1.4
[INFO] finished tweaking crates.io crate bam 0.1.4
[INFO] tweaked toml for crates.io crate bam 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34760ef9fc1d1af5dbefe278a4c83222659c2f3f0723e541430ba9b5ad2c33a7
[INFO] running `Command { std: "docker" "start" "-a" "34760ef9fc1d1af5dbefe278a4c83222659c2f3f0723e541430ba9b5ad2c33a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34760ef9fc1d1af5dbefe278a4c83222659c2f3f0723e541430ba9b5ad2c33a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34760ef9fc1d1af5dbefe278a4c83222659c2f3f0723e541430ba9b5ad2c33a7", kill_on_drop: false }`
[INFO] [stdout] 34760ef9fc1d1af5dbefe278a4c83222659c2f3f0723e541430ba9b5ad2c33a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf74e9ac918126c7933655c3858597061d80de809f9ef4f09be836222576594
[INFO] running `Command { std: "docker" "start" "-a" "ebf74e9ac918126c7933655c3858597061d80de809f9ef4f09be836222576594", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bam v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/header.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/bgzip/read.rs:631:17
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:635:13
[INFO] [stdout]     |
[INFO] [stdout] 635 |             std::mem::drop(block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&Block`
[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/bgzip/read.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:787:9
[INFO] [stdout]     |
[INFO] [stdout] 787 |         std::mem::drop(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `&Block`
[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/pileup.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     std::mem::drop(entry);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    argument has type `&mut PileupEntry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/header.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/bgzip/read.rs:631:17
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:635:13
[INFO] [stdout]     |
[INFO] [stdout] 635 |             std::mem::drop(block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&Block`
[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/bgzip/read.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 |                 std::mem::drop(block);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `&Block`
[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/bgzip/read.rs:787:9
[INFO] [stdout]     |
[INFO] [stdout] 787 |         std::mem::drop(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `&Block`
[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/pileup.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     std::mem::drop(entry);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    argument has type `&mut PileupEntry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "ebf74e9ac918126c7933655c3858597061d80de809f9ef4f09be836222576594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf74e9ac918126c7933655c3858597061d80de809f9ef4f09be836222576594", kill_on_drop: false }`
[INFO] [stdout] ebf74e9ac918126c7933655c3858597061d80de809f9ef4f09be836222576594
