[INFO] fetching crate lstring 2.0.2...
[INFO] checking lstring-2.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lstring 2.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate lstring 2.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lstring 2.0.2
[INFO] tweaked toml for crates.io crate lstring 2.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lstring 2.0.2 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 lstring 2.0.2 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-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] 34fa232a76b4890bb031bc7af2e1e5d31a9917aa1adc91dd9cd90c671bc79486
[INFO] running `Command { std: "docker" "start" "-a" "34fa232a76b4890bb031bc7af2e1e5d31a9917aa1adc91dd9cd90c671bc79486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fa232a76b4890bb031bc7af2e1e5d31a9917aa1adc91dd9cd90c671bc79486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fa232a76b4890bb031bc7af2e1e5d31a9917aa1adc91dd9cd90c671bc79486", kill_on_drop: false }`
[INFO] [stdout] 34fa232a76b4890bb031bc7af2e1e5d31a9917aa1adc91dd9cd90c671bc79486
[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] f889835de01f3bae485e61d75e26a5fb4a9236c2ba944560133bc44dae805012
[INFO] running `Command { std: "docker" "start" "-a" "f889835de01f3bae485e61d75e26a5fb4a9236c2ba944560133bc44dae805012", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking lstring v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stdout] error: this type will no longer be must used: Result<string::KString<B>, Infallible>
[INFO] [stdout]    --> src/string.rs:369:53
[INFO] [stdout]     |
[INFO] [stdout] 369 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 370 | |         Ok(Self::from_ref(s))
[INFO] [stdout] 371 | |     }
[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<string::KString<B>, Infallible>
[INFO] [stdout]    --> src/string.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         Ok(Self::from_ref(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<string_cow::KStringCow<'_, B>, Infallible>
[INFO] [stdout]    --> src/string_cow.rs:398:53
[INFO] [stdout]     |
[INFO] [stdout] 398 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 399 | |         Ok(Self::from_string(s.into()))
[INFO] [stdout] 400 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<string_cow::KStringCow<'_, B>, Infallible>
[INFO] [stdout]    --> src/string_cow.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         Ok(Self::from_string(s.into()))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lstring` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f889835de01f3bae485e61d75e26a5fb4a9236c2ba944560133bc44dae805012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f889835de01f3bae485e61d75e26a5fb4a9236c2ba944560133bc44dae805012", kill_on_drop: false }`
[INFO] [stdout] f889835de01f3bae485e61d75e26a5fb4a9236c2ba944560133bc44dae805012
