[INFO] cloning repository https://github.com/volo-rs/faststr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volo-rs/faststr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolo-rs%2Ffaststr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolo-rs%2Ffaststr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc13645dd6214cf9dac353df5e6be71bf75e3fed
[INFO] checking volo-rs/faststr against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolo-rs%2Ffaststr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/volo-rs/faststr
[INFO] finished tweaking git repo https://github.com/volo-rs/faststr
[INFO] tweaked toml for git repo https://github.com/volo-rs/faststr written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/volo-rs/faststr 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 git repo https://github.com/volo-rs/faststr 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a0338117330949e42ee09cbd5b7c51b57e80643a4c5d9c66ce6d1dbba5a66527
[INFO] running `Command { std: "docker" "start" "-a" "a0338117330949e42ee09cbd5b7c51b57e80643a4c5d9c66ce6d1dbba5a66527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0338117330949e42ee09cbd5b7c51b57e80643a4c5d9c66ce6d1dbba5a66527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0338117330949e42ee09cbd5b7c51b57e80643a4c5d9c66ce6d1dbba5a66527", kill_on_drop: false }`
[INFO] [stdout] a0338117330949e42ee09cbd5b7c51b57e80643a4c5d9c66ce6d1dbba5a66527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5958b9a97d21c1f7a31acff936b08204800f7b883b576e48bd02bb2fa538f3bb
[INFO] running `Command { std: "docker" "start" "-a" "5958b9a97d21c1f7a31acff936b08204800f7b883b576e48bd02bb2fa538f3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking faststr v0.2.32 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<FastStr, Infallible>
[INFO] [stdout]    --> src/lib.rs:516:56
[INFO] [stdout]     |
[INFO] [stdout] 516 |       fn from_str(s: &str) -> Result<FastStr, Self::Err> {
[INFO] [stdout]     |  ________________________________________________________^
[INFO] [stdout] 517 | |         Ok(FastStr::new(s))
[INFO] [stdout] 518 | |     }
[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<FastStr, Infallible>
[INFO] [stdout]    --> src/lib.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         Ok(FastStr::new(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `faststr` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5958b9a97d21c1f7a31acff936b08204800f7b883b576e48bd02bb2fa538f3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5958b9a97d21c1f7a31acff936b08204800f7b883b576e48bd02bb2fa538f3bb", kill_on_drop: false }`
[INFO] [stdout] 5958b9a97d21c1f7a31acff936b08204800f7b883b576e48bd02bb2fa538f3bb