[INFO] fetching crate cli-settings-derive 0.3.2...
[INFO] checking cli-settings-derive-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cli-settings-derive 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cli-settings-derive 0.3.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cli-settings-derive 0.3.2
[INFO] tweaked toml for crates.io crate cli-settings-derive 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cli-settings-derive 0.3.2 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 cli-settings-derive 0.3.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d8aad919b95709a7c9369d6ae1501a49c555a67551491c85bbac0ff37cc3b522
[INFO] running `Command { std: "docker" "start" "-a" "d8aad919b95709a7c9369d6ae1501a49c555a67551491c85bbac0ff37cc3b522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8aad919b95709a7c9369d6ae1501a49c555a67551491c85bbac0ff37cc3b522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8aad919b95709a7c9369d6ae1501a49c555a67551491c85bbac0ff37cc3b522", kill_on_drop: false }`
[INFO] [stdout] d8aad919b95709a7c9369d6ae1501a49c555a67551491c85bbac0ff37cc3b522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eba6559f233d669032277afe9057b0f26c620b6b2f671df808c7f9f026625ac4
[INFO] running `Command { std: "docker" "start" "-a" "eba6559f233d669032277afe9057b0f26c620b6b2f671df808c7f9f026625ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_builder v4.5.19
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.10.0
[INFO] [stderr]     Checking clap v4.5.19
[INFO] [stderr]     Checking basic-toml v0.1.9
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking serde_with v3.10.0
[INFO] [stderr]     Checking macrotest v1.0.13
[INFO] [stderr]     Checking cli-settings-derive v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<MemSize, Infallible>
[INFO] [stdout]   --> examples/example.rs:14:53
[INFO] [stdout]    |
[INFO] [stdout] 14 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 15 | |         let mut ch = s.chars().peekable();
[INFO] [stdout] 16 | |
[INFO] [stdout] 17 | |         let mut si_unit = 0;
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |         Ok(Self(value))
[INFO] [stdout] 52 | |     }
[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<MemSize, Infallible>
[INFO] [stdout]   --> examples/example.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Ok(Self(value))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MemSize, Infallible>
[INFO] [stdout]   --> examples/example.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[cli_settings]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `cli_settings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cli-settings-derive` (example "example") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "eba6559f233d669032277afe9057b0f26c620b6b2f671df808c7f9f026625ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba6559f233d669032277afe9057b0f26c620b6b2f671df808c7f9f026625ac4", kill_on_drop: false }`
[INFO] [stdout] eba6559f233d669032277afe9057b0f26c620b6b2f671df808c7f9f026625ac4
