[INFO] fetching crate loopdev 0.3.0...
[INFO] checking loopdev-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate loopdev 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate loopdev 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loopdev 0.3.0
[INFO] finished tweaking crates.io crate loopdev 0.3.0
[INFO] tweaked toml for crates.io crate loopdev 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c64659336f6f3f67eb9241bbf1ece1a68eacaaf8ee56f9624c2c9bf9d3d78c6
[INFO] running `Command { std: "docker" "start" "-a" "1c64659336f6f3f67eb9241bbf1ece1a68eacaaf8ee56f9624c2c9bf9d3d78c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c64659336f6f3f67eb9241bbf1ece1a68eacaaf8ee56f9624c2c9bf9d3d78c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c64659336f6f3f67eb9241bbf1ece1a68eacaaf8ee56f9624c2c9bf9d3d78c6", kill_on_drop: false }`
[INFO] [stdout] 1c64659336f6f3f67eb9241bbf1ece1a68eacaaf8ee56f9624c2c9bf9d3d78c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 389d25f1d6cee04d827c4a9d3671f44e4ea9bd7e90ea70eff193ab0c0078b8e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "389d25f1d6cee04d827c4a9d3671f44e4ea9bd7e90ea70eff193ab0c0078b8e1", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling loopdev v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:2939
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < __kernel_fsid_t > ())) . val as * const _ as usize } , 0usize , concat ! ("Offset of fie...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:4603
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < __kernel_fd_set > ())) . fds_bits as * const _ as usize } , 0usize , concat ! ("Offset o...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:6300
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_number as * const _ as usize } , 0usize , concat ! ("Offset of ...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:6512
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_device as * const _ as usize } , 8usize , concat ! ("Offset of ...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:6724
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_inode as * const _ as usize } , 16usize , concat ! ("Offset of ...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:6935
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_rdevice as * const _ as usize } , 24usize , concat ! ("Offset o...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:7150
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_offset as * const _ as usize } , 32usize , concat ! ("Offset of...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:7363
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_type as * const _ as usize } , 36usize , concat ! ("Off...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:7588
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_key_size as * const _ as usize } , 40usize , concat ! (...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:7821
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_flags as * const _ as usize } , 44usize , concat ! ("Offset of ...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:8032
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_name as * const _ as usize } , 48usize , concat ! ("Offset of f...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:8241
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_key as * const _ as usize } , 112usize , concat ! ("Off...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:8465
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_init as * const _ as usize } , 144usize , concat ! ("Offset of ...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:8675
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . reserved as * const _ as usize } , 160usize , concat ! ("Offset of...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:9740
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_device as * const _ as usize } , 0usize , concat ! ("Offset of...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:9956
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_inode as * const _ as usize } , 8usize , concat ! ("Offset of ...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:10170
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_rdevice as * const _ as usize } , 16usize , concat ! ("Offset ...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:10389
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_offset as * const _ as usize } , 24usize , concat ! ("Offset o...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:10606
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_sizelimit as * const _ as usize } , 32usize , concat ! ("Offse...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:10829
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_number as * const _ as usize } , 40usize , concat ! ("Offset o...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:11046
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_type as * const _ as usize } , 44usize , concat ! ("Of...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:11275
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_key_size as * const _ as usize } , 48usize , concat ! ...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:11512
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_flags as * const _ as usize } , 52usize , concat ! ("Offset of...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:11727
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_file_name as * const _ as usize } , 56usize , concat ! ("Offse...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:11950
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_crypt_name as * const _ as usize } , 120usize , concat ! ("Off...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:12176
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_key as * const _ as usize } , 184usize , concat ! ("Of...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/loopdev-395dd8a082c1904e/out/bindings.rs:3:12404
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_init as * const _ as usize } , 216usize , concat ! ("Offset of...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integration_test.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut ld0 = lc
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 21.81s
[INFO] running `Command { std: "docker" "inspect" "389d25f1d6cee04d827c4a9d3671f44e4ea9bd7e90ea70eff193ab0c0078b8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389d25f1d6cee04d827c4a9d3671f44e4ea9bd7e90ea70eff193ab0c0078b8e1", kill_on_drop: false }`
[INFO] [stdout] 389d25f1d6cee04d827c4a9d3671f44e4ea9bd7e90ea70eff193ab0c0078b8e1
