[INFO] fetching crate imdb-index 0.1.3...
[INFO] checking imdb-index-0.1.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate imdb-index 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imdb-index 0.1.3 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 imdb-index 0.1.3
[INFO] finished tweaking crates.io crate imdb-index 0.1.3
[INFO] tweaked toml for crates.io crate imdb-index 0.1.3 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e02a8adbfad623a6b167b34ca93d41c08197817605c70e6254d2e1a347b1c1eb
[INFO] running `Command { std: "docker" "start" "-a" "e02a8adbfad623a6b167b34ca93d41c08197817605c70e6254d2e1a347b1c1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e02a8adbfad623a6b167b34ca93d41c08197817605c70e6254d2e1a347b1c1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02a8adbfad623a6b167b34ca93d41c08197817605c70e6254d2e1a347b1c1eb", kill_on_drop: false }`
[INFO] [stdout] e02a8adbfad623a6b167b34ca93d41c08197817605c70e6254d2e1a347b1c1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8b3299679e724e4a46f82bfa6a8a340aac93103264e727ec58e7eb8e1d9def4
[INFO] running `Command { std: "docker" "start" "-a" "d8b3299679e724e4a46f82bfa6a8a340aac93103264e727ec58e7eb8e1d9def4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking imdb-index v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |         None => bug!("could not find nul byte"),
[INFO] [stdout]     |                 ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |         Err(err) => bug!("tvshow_id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Err(err) => bug!("episode id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |         None => bug!("could not find nul byte"),
[INFO] [stdout]     |                 ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:241:21
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(err) => bug!("episode id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(err) => bug!("tvshow_id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/lib.rs:25:64
[INFO] [stdout]      |
[INFO] [stdout] 25   |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]      |                                                                ^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/index/names.rs:1097:21
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             None => bug!("exhausted doc ids"),
[INFO] [stdout]      |                     ------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]    |                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index/rating.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         None => bug!("could not find nul byte"),
[INFO] [stdout]    |                 ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]    |                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index/rating.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Err(err) => bug!("rating id invalid UTF-8: {}", err),
[INFO] [stdout]    |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |         None => bug!("could not find nul byte"),
[INFO] [stdout]     |                 ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |         Err(err) => bug!("tvshow_id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Err(err) => bug!("episode id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |         None => bug!("could not find nul byte"),
[INFO] [stdout]     |                 ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:241:21
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(err) => bug!("episode id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:25:64
[INFO] [stdout]     |
[INFO] [stdout] 25  |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/index/episode.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(err) => bug!("tvshow_id invalid UTF-8: {}", err),
[INFO] [stdout]     |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/lib.rs:25:64
[INFO] [stdout]      |
[INFO] [stdout] 25   |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]      |                                                                ^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/index/names.rs:1097:21
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             None => bug!("exhausted doc ids"),
[INFO] [stdout]      |                     ------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]    |                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index/rating.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         None => bug!("could not find nul byte"),
[INFO] [stdout]    |                 ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return Err($crate::error::Error::bug(format!($($tt)*)));
[INFO] [stdout]    |                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index/rating.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Err(err) => bug!("rating id invalid UTF-8: {}", err),
[INFO] [stdout]    |                     ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "d8b3299679e724e4a46f82bfa6a8a340aac93103264e727ec58e7eb8e1d9def4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b3299679e724e4a46f82bfa6a8a340aac93103264e727ec58e7eb8e1d9def4", kill_on_drop: false }`
[INFO] [stdout] d8b3299679e724e4a46f82bfa6a8a340aac93103264e727ec58e7eb8e1d9def4
