[INFO] cloning repository https://github.com/MostlyMax/franz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MostlyMax/franz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMostlyMax%2Ffranz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMostlyMax%2Ffranz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a875471c9aedfdb5717c3df606989ff8977622
[INFO] checking MostlyMax/franz 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%2FMostlyMax%2Ffranz" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MostlyMax/franz
[INFO] finished tweaking git repo https://github.com/MostlyMax/franz
[INFO] tweaked toml for git repo https://github.com/MostlyMax/franz written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MostlyMax/franz 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/MostlyMax/franz 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 09cfc08ac85dbe28a341894dfe9ab26e9ab28c457de8afacfe4d369f57abaa06
[INFO] running `Command { std: "docker" "start" "-a" "09cfc08ac85dbe28a341894dfe9ab26e9ab28c457de8afacfe4d369f57abaa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09cfc08ac85dbe28a341894dfe9ab26e9ab28c457de8afacfe4d369f57abaa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09cfc08ac85dbe28a341894dfe9ab26e9ab28c457de8afacfe4d369f57abaa06", kill_on_drop: false }`
[INFO] [stdout] 09cfc08ac85dbe28a341894dfe9ab26e9ab28c457de8afacfe4d369f57abaa06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 84158845b374d51850db9a8af1a839f3b251b1f0d4d8448391ad48f50d57ace6
[INFO] running `Command { std: "docker" "start" "-a" "84158845b374d51850db9a8af1a839f3b251b1f0d4d8448391ad48f50d57ace6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking linux-futex v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking tokio-scoped v0.2.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking mmapcell v0.1.2
[INFO] [stderr]     Checking disk-mpmc v0.4.2
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking franz v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/protocol.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |               topic: handshake
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 112 | |                 .get("topic")
[INFO] [stdout] 113 | |                 .ok_or(HandshakeError::ExpectedKey("topic"))?
[INFO] [stdout] 114 | |                 .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 `franz` (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/protocol.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |               topic: handshake
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 112 | |                 .get("topic")
[INFO] [stdout] 113 | |                 .ok_or(HandshakeError::ExpectedKey("topic"))?
[INFO] [stdout] 114 | |                 .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 `franz` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "84158845b374d51850db9a8af1a839f3b251b1f0d4d8448391ad48f50d57ace6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84158845b374d51850db9a8af1a839f3b251b1f0d4d8448391ad48f50d57ace6", kill_on_drop: false }`
[INFO] [stdout] 84158845b374d51850db9a8af1a839f3b251b1f0d4d8448391ad48f50d57ace6
