[INFO] fetching crate lynn_tcp 1.2.0...
[INFO] checking lynn_tcp-1.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lynn_tcp 1.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate lynn_tcp 1.2.0
[INFO] finished tweaking crates.io crate lynn_tcp 1.2.0
[INFO] tweaked toml for crates.io crate lynn_tcp 1.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lynn_tcp 1.2.0 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 lynn_tcp 1.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cff3641348bdaac4df9283917fb2357ae62fb2ac26c94d9d0bf0b06737eb7cd9
[INFO] running `Command { std: "docker" "start" "-a" "cff3641348bdaac4df9283917fb2357ae62fb2ac26c94d9d0bf0b06737eb7cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff3641348bdaac4df9283917fb2357ae62fb2ac26c94d9d0bf0b06737eb7cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff3641348bdaac4df9283917fb2357ae62fb2ac26c94d9d0bf0b06737eb7cd9", kill_on_drop: false }`
[INFO] [stdout] cff3641348bdaac4df9283917fb2357ae62fb2ac26c94d9d0bf0b06737eb7cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a3796acc30f42b6b7ddd2a33240477b2c368fd841e02271e0c3e24c1a02d3aab
[INFO] running `Command { std: "docker" "start" "-a" "a3796acc30f42b6b7ddd2a33240477b2c368fd841e02271e0c3e24c1a02d3aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking lynn_tcp v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/vo_factory/big_buf_reader.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 && self.data.len() >= 10 + target_len.try_into().unwrap_or(0)
[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<usize, Infallible>
[INFO] [stdout]    --> src/vo_factory/big_buf_reader.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 && self.data.len() >= 10 + target_len.try_into().unwrap_or(0)
[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 `lynn_tcp` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lynn_tcp` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a3796acc30f42b6b7ddd2a33240477b2c368fd841e02271e0c3e24c1a02d3aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3796acc30f42b6b7ddd2a33240477b2c368fd841e02271e0c3e24c1a02d3aab", kill_on_drop: false }`
[INFO] [stdout] a3796acc30f42b6b7ddd2a33240477b2c368fd841e02271e0c3e24c1a02d3aab
