[INFO] cloning repository https://github.com/Siriusmart/scrapyard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Siriusmart/scrapyard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiriusmart%2Fscrapyard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiriusmart%2Fscrapyard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ab08029c1c1d5fbc244a466350d2e7b42d012dc
[INFO] building Siriusmart/scrapyard against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiriusmart%2Fscrapyard" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Siriusmart/scrapyard
[INFO] finished tweaking git repo https://github.com/Siriusmart/scrapyard
[INFO] tweaked toml for git repo https://github.com/Siriusmart/scrapyard written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Siriusmart/scrapyard on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Siriusmart/scrapyard 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.4
[INFO] [stderr]   Downloaded serde_default v0.1.0
[INFO] [stderr]   Downloaded atom_syndication v0.12.2
[INFO] [stderr]   Downloaded rss v2.0.6
[INFO] [stderr]   Downloaded serde-inline-default v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86debd99709eab44faef79986fd8e8d73104a324e33d5480bdb6d6bb03b27ded
[INFO] running `Command { std: "docker" "start" "-a" "86debd99709eab44faef79986fd8e8d73104a324e33d5480bdb6d6bb03b27ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86debd99709eab44faef79986fd8e8d73104a324e33d5480bdb6d6bb03b27ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86debd99709eab44faef79986fd8e8d73104a324e33d5480bdb6d6bb03b27ded", kill_on_drop: false }`
[INFO] [stdout] 86debd99709eab44faef79986fd8e8d73104a324e33d5480bdb6d6bb03b27ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cc841d9dfce1b7359d520484b6ea98909f74d210abfe021cb22b975c9ab5cd5
[INFO] running `Command { std: "docker" "start" "-a" "3cc841d9dfce1b7359d520484b6ea98909f74d210abfe021cb22b975c9ab5cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling never v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling scrapyard v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling diligent-date-parser v0.1.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling serde-inline-default v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_default v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling atom_syndication v0.12.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling rss v2.0.6
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.22
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if $locks.0.get().is_none() {
[INFO] [stdout]    |                ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 $locks.0.set(std::collections::HashMap::default()).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/locks.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | /             $locks
[INFO] [stdout] 21 | |                 .0
[INFO] [stdout]    | |__________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                           let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                       ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.43s
[INFO] running `Command { std: "docker" "inspect" "3cc841d9dfce1b7359d520484b6ea98909f74d210abfe021cb22b975c9ab5cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc841d9dfce1b7359d520484b6ea98909f74d210abfe021cb22b975c9ab5cd5", kill_on_drop: false }`
[INFO] [stdout] 3cc841d9dfce1b7359d520484b6ea98909f74d210abfe021cb22b975c9ab5cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a7b161197e082e00b86d02ff581de0ba221d3b17143a97c7d721ed86bbaa18
[INFO] running `Command { std: "docker" "start" "-a" "a6a7b161197e082e00b86d02ff581de0ba221d3b17143a97c7d721ed86bbaa18", kill_on_drop: false }`
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if $locks.0.get().is_none() {
[INFO] [stdout]    |                ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 $locks.0.set(std::collections::HashMap::default()).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/locks.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | /             $locks
[INFO] [stdout] 21 | |                 .0
[INFO] [stdout]    | |__________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                           let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                       ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scrapyard v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if $locks.0.get().is_none() {
[INFO] [stdout]    |                ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/locks.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 $locks.0.set(std::collections::HashMap::default()).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/locks.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | /             $locks
[INFO] [stdout] 21 | |                 .0
[INFO] [stdout]    | |__________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/options/feeds.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |                           let _lock = take_lock!(LOCKS, feed.label.clone());
[INFO] [stdout]    |                                       ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: this warning originates in the macro `take_lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "a6a7b161197e082e00b86d02ff581de0ba221d3b17143a97c7d721ed86bbaa18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a7b161197e082e00b86d02ff581de0ba221d3b17143a97c7d721ed86bbaa18", kill_on_drop: false }`
[INFO] [stdout] a6a7b161197e082e00b86d02ff581de0ba221d3b17143a97c7d721ed86bbaa18
