[INFO] fetching crate openslide 0.2.0...
[INFO] checking openslide-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate openslide 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate openslide 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openslide 0.2.0
[INFO] finished tweaking crates.io crate openslide 0.2.0
[INFO] tweaked toml for crates.io crate openslide 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 632441cb28c129f1c1adbd71342a8ee584f30efa20909c85e38581984bd0f2ba
[INFO] running `Command { std: "docker" "start" "-a" "632441cb28c129f1c1adbd71342a8ee584f30efa20909c85e38581984bd0f2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632441cb28c129f1c1adbd71342a8ee584f30efa20909c85e38581984bd0f2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632441cb28c129f1c1adbd71342a8ee584f30efa20909c85e38581984bd0f2ba", kill_on_drop: false }`
[INFO] [stdout] 632441cb28c129f1c1adbd71342a8ee584f30efa20909c85e38581984bd0f2ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6b604e5c0786bd4039b6f654d16a1fc4ac9d2e3df2fbbf4878ad9e81738da1
[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" "3b6b604e5c0786bd4039b6f654d16a1fc4ac9d2e3df2fbbf4878ad9e81738da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking openslide v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut width: libc::int64_t = 0;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut height: libc::int64_t = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut width: libc::int64_t = 0;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:159:21
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut height: libc::int64_t = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/bindings.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut buffer: Vec<libc::uint32_t> = Vec::with_capacity((h * w) as usize);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ) -> libc::int32_t;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         w: *mut libc::int64_t,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         h: *mut libc::int64_t
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |         level: libc::int32_t,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         w: *mut libc::int64_t,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |         h: *mut libc::int64_t
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         level: libc::int32_t
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ) -> libc::int32_t;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/bindings.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         dest: *mut libc::uint32_t,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |         x: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |         y: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         level: libc::int32_t,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |         w: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         h: libc::int64_t
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut width: libc::int64_t = 0;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut height: libc::int64_t = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut width: libc::int64_t = 0;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]    --> src/bindings.rs:159:21
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut height: libc::int64_t = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/bindings.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut buffer: Vec<libc::uint32_t> = Vec::with_capacity((h * w) as usize);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ) -> libc::int32_t;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         w: *mut libc::int64_t,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         h: *mut libc::int64_t
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |         level: libc::int32_t,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         w: *mut libc::int64_t,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |         h: *mut libc::int64_t
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         level: libc::int32_t
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ) -> libc::int32_t;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/bindings.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         dest: *mut libc::uint32_t,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |         x: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |         y: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/bindings.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         level: libc::int32_t,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |         w: libc::int64_t,
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/bindings.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         h: libc::int64_t
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |             assert!(false, format!("Unable to load slide:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 18 |             assert!(false, "Unable to load slide:\n{}", msg);
[INFO] [stdout]    |                           --                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |             assert!(false, format!("Level count error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 32 |             assert!(false, "Level count error:\n{}", msg);
[INFO] [stdout]    |                           --                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |             assert!(false, format!("Level 0 dimension error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 45 |             assert!(false, "Level 0 dimension error:\n{}", msg);
[INFO] [stdout]    |                           --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             assert!(false, format!("Level dimension error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 58 |             assert!(false, "Level dimension error:\n{}", msg);
[INFO] [stdout]    |                           --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:71:28
[INFO] [stdout]    |
[INFO] [stdout] 71 |             assert!(false, format!("Level dimension error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 71 |             assert!(false, "Level dimension error:\n{}", msg);
[INFO] [stdout]    |                           --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |             assert!(false, format!("Level dimension error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 84 |             assert!(false, "Level dimension error:\n{}", msg);
[INFO] [stdout]    |                           --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/convenience.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |             assert!(false, format!("Level dimension error:\n{}", msg));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 97 |             assert!(false, "Level dimension error:\n{}", msg);
[INFO] [stdout]    |                           --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.17s
[INFO] running `Command { std: "docker" "inspect" "3b6b604e5c0786bd4039b6f654d16a1fc4ac9d2e3df2fbbf4878ad9e81738da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6b604e5c0786bd4039b6f654d16a1fc4ac9d2e3df2fbbf4878ad9e81738da1", kill_on_drop: false }`
[INFO] [stdout] 3b6b604e5c0786bd4039b6f654d16a1fc4ac9d2e3df2fbbf4878ad9e81738da1