[INFO] fetching crate rendersvg-meetmangukiya 0.9.1...
[INFO] testing rendersvg-meetmangukiya-0.9.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rendersvg-meetmangukiya 0.9.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rendersvg-meetmangukiya 0.9.1
[INFO] finished tweaking crates.io crate rendersvg-meetmangukiya 0.9.1
[INFO] tweaked toml for crates.io crate rendersvg-meetmangukiya 0.9.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rendersvg-meetmangukiya 0.9.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rendersvg-meetmangukiya 0.9.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded xmlwriter v0.1.0
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[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded resvg-qt v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e2dd0f4e4fdea6619a97ea92c7c5d1486176fbe8b1d9de38924ef9cee57506
[INFO] running `Command { std: "docker" "start" "-a" "63e2dd0f4e4fdea6619a97ea92c7c5d1486176fbe8b1d9de38924ef9cee57506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e2dd0f4e4fdea6619a97ea92c7c5d1486176fbe8b1d9de38924ef9cee57506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e2dd0f4e4fdea6619a97ea92c7c5d1486176fbe8b1d9de38924ef9cee57506", kill_on_drop: false }`
[INFO] [stdout] 63e2dd0f4e4fdea6619a97ea92c7c5d1486176fbe8b1d9de38924ef9cee57506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2176bf02bb5ff7f04a3a874b319b5fb295eef01a0c2ae8f903c8eba6e3f7fd7d
[INFO] running `Command { std: "docker" "start" "-a" "2176bf02bb5ff7f04a3a874b319b5fb295eef01a0c2ae8f903c8eba6e3f7fd7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling xmlparser v0.13.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling kurbo v0.5.11
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling roxmltree v0.9.1
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling harfbuzz_rs v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling ttf-parser v0.3.0
[INFO] [stderr]    Compiling rgb v0.8.17
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling unicode-script v0.5.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling svgfilters v0.1.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling usvg v0.9.0
[INFO] [stderr]    Compiling pico-args v0.2.0
[INFO] [stderr]    Compiling resvg v0.9.0
[INFO] [stderr]    Compiling rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         bail!("rendersvg has been built without any backends")
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 46 |             bail!(e)
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |         _ => bail!("unknown backend"),
[INFO] [stdout]    |              ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:20:44
[INFO] [stdout]     |
[INFO] [stdout]  20 |         return Err(format!($fmt, $($arg)*));
[INFO] [stdout]     |                                            ^
[INFO] [stdout] ...
[INFO] [stdout] 102 |                 bail!("SVG doesn't have '{}' ID", id)
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]     |
[INFO] [stdout]  17 |         return Err(format!("{}", $msg));
[INFO] [stdout]     |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 110 |             None => { bail!("failed to allocate an image") }
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |           return Err(format!("{}", $msg));
[INFO] [stdout]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stdout] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stdout] 43 | |         Err(e) => {
[INFO] [stdout] 44 | |             args::print_help();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let mut list = Vec::new();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.98s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2176bf02bb5ff7f04a3a874b319b5fb295eef01a0c2ae8f903c8eba6e3f7fd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2176bf02bb5ff7f04a3a874b319b5fb295eef01a0c2ae8f903c8eba6e3f7fd7d", kill_on_drop: false }`
[INFO] [stdout] 2176bf02bb5ff7f04a3a874b319b5fb295eef01a0c2ae8f903c8eba6e3f7fd7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8809eeecc506e159fe56b290eeb19781d978aa649c8c925ab336269d72a822c4
[INFO] running `Command { std: "docker" "start" "-a" "8809eeecc506e159fe56b290eeb19781d978aa649c8c925ab336269d72a822c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         bail!("rendersvg has been built without any backends")
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 46 |             bail!(e)
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |         return Err(format!("{}", $msg));
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |         _ => bail!("unknown backend"),
[INFO] [stdout]    |              ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:20:44
[INFO] [stdout]     |
[INFO] [stdout]  20 |         return Err(format!($fmt, $($arg)*));
[INFO] [stdout]     |                                            ^
[INFO] [stdout] ...
[INFO] [stdout] 102 |                 bail!("SVG doesn't have '{}' ID", id)
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (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/main.rs:17:40
[INFO] [stdout]     |
[INFO] [stdout]  17 |         return Err(format!("{}", $msg));
[INFO] [stdout]     |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 110 |             None => { bail!("failed to allocate an image") }
[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: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |           return Err(format!("{}", $msg));
[INFO] [stdout]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stdout] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stdout] 43 | |         Err(e) => {
[INFO] [stdout] 44 | |             args::print_help();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let mut list = Vec::new();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8809eeecc506e159fe56b290eeb19781d978aa649c8c925ab336269d72a822c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8809eeecc506e159fe56b290eeb19781d978aa649c8c925ab336269d72a822c4", kill_on_drop: false }`
[INFO] [stdout] 8809eeecc506e159fe56b290eeb19781d978aa649c8c925ab336269d72a822c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6298bc7e01adf21683bf3efa8e4768201f18b847cb90f4f621ec96c1e7a5d74a
[INFO] running `Command { std: "docker" "start" "-a" "6298bc7e01adf21683bf3efa8e4768201f18b847cb90f4f621ec96c1e7a5d74a", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:17:40
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return Err(format!("{}", $msg));
[INFO] [stderr]    |                                        ^
[INFO] [stderr] ...
[INFO] [stderr] 38 |         bail!("rendersvg has been built without any backends")
[INFO] [stderr]    |         ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:17:40
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return Err(format!("{}", $msg));
[INFO] [stderr]    |                                        ^
[INFO] [stderr] ...
[INFO] [stderr] 46 |             bail!(e)
[INFO] [stderr]    |             -------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stderr]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:17:40
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return Err(format!("{}", $msg));
[INFO] [stderr]    |                                        ^
[INFO] [stderr] ...
[INFO] [stderr] 71 |         _ => bail!("unknown backend"),
[INFO] [stderr]    |              ------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:20:44
[INFO] [stderr]     |
[INFO] [stderr]  20 |         return Err(format!($fmt, $($arg)*));
[INFO] [stderr]     |                                            ^
[INFO] [stderr] ...
[INFO] [stderr] 102 |                 bail!("SVG doesn't have '{}' ID", id)
[INFO] [stderr]     |                 ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stderr]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:17:40
[INFO] [stderr]     |
[INFO] [stderr]  17 |         return Err(format!("{}", $msg));
[INFO] [stderr]     |                                        ^
[INFO] [stderr] ...
[INFO] [stderr] 110 |             None => { bail!("failed to allocate an image") }
[INFO] [stderr]     |                       ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stderr]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |           return Err(format!("{}", $msg));
[INFO] [stderr]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stderr] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stderr] 43 | |         Err(e) => {
[INFO] [stderr] 44 | |             args::print_help();
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     };
[INFO] [stderr]    | |______^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/args.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |     let mut list = Vec::new();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rendersvg-meetmangukiya` (bin "rendersvg-meetmangukiya" test) generated 7 warnings (run `cargo fix --bin "rendersvg-meetmangukiya" -p rendersvg-meetmangukiya --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rendersvg_meetmangukiya-712848432ef8a6a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6298bc7e01adf21683bf3efa8e4768201f18b847cb90f4f621ec96c1e7a5d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6298bc7e01adf21683bf3efa8e4768201f18b847cb90f4f621ec96c1e7a5d74a", kill_on_drop: false }`
[INFO] [stdout] 6298bc7e01adf21683bf3efa8e4768201f18b847cb90f4f621ec96c1e7a5d74a
