[INFO] fetching crate rem-borrower 0.1.4...
[INFO] checking rem-borrower-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rem-borrower 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rem-borrower 0.1.4
[INFO] finished tweaking crates.io crate rem-borrower 0.1.4
[INFO] tweaked toml for crates.io crate rem-borrower 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rem-borrower 0.1.4 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 rem-borrower 0.1.4 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-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] 4c9531edb767143f23c9d842b4a1284ae62d3a2c84f0f93f2246849d9ae532c0
[INFO] running `Command { std: "docker" "start" "-a" "4c9531edb767143f23c9d842b4a1284ae62d3a2c84f0f93f2246849d9ae532c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9531edb767143f23c9d842b4a1284ae62d3a2c84f0f93f2246849d9ae532c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9531edb767143f23c9d842b4a1284ae62d3a2c84f0f93f2246849d9ae532c0", kill_on_drop: false }`
[INFO] [stdout] 4c9531edb767143f23c9d842b4a1284ae62d3a2c84f0f93f2246849d9ae532c0
[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] 728c05a2d772af5cd867f209e1405a1e992bdda0add6430f895e3de8023d7059
[INFO] running `Command { std: "docker" "start" "-a" "728c05a2d772af5cd867f209e1405a1e992bdda0add6430f895e3de8023d7059", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking trim-in-place v0.1.7
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]     Checking quote v1.0.39
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking yaml-rust2 v0.10.0
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking rust-ini v0.21.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking pest v2.7.15
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking string_cache v0.8.8
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking config v0.15.9
[INFO] [stderr]     Checking rem-utils v0.1.6
[INFO] [stderr]     Checking rem-constraint v0.1.3
[INFO] [stderr]     Checking rem-borrower v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/borrow.rs:952:30
[INFO] [stdout]     |
[INFO] [stdout] 952 |       let lookup_str: String = fs::read_to_string(rem_utils::annotation::LOOKUP_FILE)
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 953 | |         .unwrap()
[INFO] [stdout] 954 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rem-borrower` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/borrow.rs:952:30
[INFO] [stdout]     |
[INFO] [stdout] 952 |       let lookup_str: String = fs::read_to_string(rem_utils::annotation::LOOKUP_FILE)
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 953 | |         .unwrap()
[INFO] [stdout] 954 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rem-borrower` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "728c05a2d772af5cd867f209e1405a1e992bdda0add6430f895e3de8023d7059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728c05a2d772af5cd867f209e1405a1e992bdda0add6430f895e3de8023d7059", kill_on_drop: false }`
[INFO] [stdout] 728c05a2d772af5cd867f209e1405a1e992bdda0add6430f895e3de8023d7059
