[INFO] fetching crate pars-core 0.2.4...
[INFO] checking pars-core-0.2.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pars-core 0.2.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pars-core 0.2.4
[INFO] finished tweaking crates.io crate pars-core 0.2.4
[INFO] tweaked toml for crates.io crate pars-core 0.2.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pars-core 0.2.4 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 pars-core 0.2.4 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] de0050946cff65a21064af81196bd9a49013e601faa32aa1aa9b90b552d542ed
[INFO] running `Command { std: "docker" "start" "-a" "de0050946cff65a21064af81196bd9a49013e601faa32aa1aa9b90b552d542ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0050946cff65a21064af81196bd9a49013e601faa32aa1aa9b90b552d542ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0050946cff65a21064af81196bd9a49013e601faa32aa1aa9b90b552d542ed", kill_on_drop: false }`
[INFO] [stdout] de0050946cff65a21064af81196bd9a49013e601faa32aa1aa9b90b552d542ed
[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] b4272dd70c0429953ab2a9b02dcf9b900de4cb14de4504f6425c24a09ff24a79
[INFO] running `Command { std: "docker" "start" "-a" "b4272dd70c0429953ab2a9b02dcf9b900de4cb14de4504f6425c24a09ff24a79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sdd v3.0.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking secrecy v0.10.3
[INFO] [stderr]     Checking scc v2.4.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]     Checking os_pipe v1.2.2
[INFO] [stderr]     Checking clean-path v0.2.1
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.8
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking random-number v0.1.9
[INFO] [stderr]     Checking random-pick v1.2.16
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking passwords v3.1.16
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking pars-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/operation/find.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut header = String::from_str("Search Terms: ")?;
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/operation/find.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut header = String::from_str("Search Terms: ")?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pars-core` (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: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/operation/find.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut header = String::from_str("Search Terms: ")?;
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/operation/find.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut header = String::from_str("Search Terms: ")?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pars-core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4272dd70c0429953ab2a9b02dcf9b900de4cb14de4504f6425c24a09ff24a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4272dd70c0429953ab2a9b02dcf9b900de4cb14de4504f6425c24a09ff24a79", kill_on_drop: false }`
[INFO] [stdout] b4272dd70c0429953ab2a9b02dcf9b900de4cb14de4504f6425c24a09ff24a79