[INFO] fetching crate jack_compiler 1.0.0...
[INFO] checking jack_compiler-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jack_compiler 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate jack_compiler 1.0.0
[INFO] finished tweaking crates.io crate jack_compiler 1.0.0
[INFO] tweaked toml for crates.io crate jack_compiler 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jack_compiler 1.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jack_compiler 1.0.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf1c972af5fe5a19551aebcc7aab62b8fc8067590d4bcbe53191c162ae97591d
[INFO] running `Command { std: "docker" "start" "-a" "bf1c972af5fe5a19551aebcc7aab62b8fc8067590d4bcbe53191c162ae97591d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf1c972af5fe5a19551aebcc7aab62b8fc8067590d4bcbe53191c162ae97591d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1c972af5fe5a19551aebcc7aab62b8fc8067590d4bcbe53191c162ae97591d", kill_on_drop: false }`
[INFO] [stdout] bf1c972af5fe5a19551aebcc7aab62b8fc8067590d4bcbe53191c162ae97591d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab02f3e228a9753b3473945a486c4ce612af300dcfeba14ee786407373acd2ca
[INFO] running `Command { std: "docker" "start" "-a" "ab02f3e228a9753b3473945a486c4ce612af300dcfeba14ee786407373acd2ca", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling css_dataset v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking tiny_pretty v0.2.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking clap_builder v4.5.35
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking markup_fmt v0.23.3
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking clap v4.5.35
[INFO] [stderr]     Checking nand2tetris_vmtranslator_rust v1.0.1
[INFO] [stderr]     Checking jack_compiler v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/util.rs:16:82
[INFO] [stdout]    |
[INFO] [stdout] 16 |       markup_fmt::format_text(code, markup_fmt::Language::Xml, &options, |code, _| {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 17 | |         Ok::<_, std::convert::Infallible>(code.into())
[INFO] [stdout] 18 | |     })
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/util.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, std::convert::Infallible>(code.into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jack_compiler` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/util.rs:16:82
[INFO] [stdout]    |
[INFO] [stdout] 16 |       markup_fmt::format_text(code, markup_fmt::Language::Xml, &options, |code, _| {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 17 | |         Ok::<_, std::convert::Infallible>(code.into())
[INFO] [stdout] 18 | |     })
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/util.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, std::convert::Infallible>(code.into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jack_compiler` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab02f3e228a9753b3473945a486c4ce612af300dcfeba14ee786407373acd2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab02f3e228a9753b3473945a486c4ce612af300dcfeba14ee786407373acd2ca", kill_on_drop: false }`
[INFO] [stdout] ab02f3e228a9753b3473945a486c4ce612af300dcfeba14ee786407373acd2ca