[INFO] cloning repository https://github.com/yaws-rs/y-io-uring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaws-rs/y-io-uring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaws-rs%2Fy-io-uring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaws-rs%2Fy-io-uring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98fc322be6ce9d276f1e37aafa5f7f0c1f04ec19
[INFO] checking yaws-rs/y-io-uring 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%2Fyaws-rs%2Fy-io-uring" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yaws-rs/y-io-uring
[INFO] finished tweaking git repo https://github.com/yaws-rs/y-io-uring
[INFO] tweaked toml for git repo https://github.com/yaws-rs/y-io-uring written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yaws-rs/y-io-uring 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/yaws-rs/y-io-uring 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9ef1cfa1043141ca1d1fc9ece0b1656ebc1474956be4f6d6051ab94b4d22d9b3
[INFO] running `Command { std: "docker" "start" "-a" "9ef1cfa1043141ca1d1fc9ece0b1656ebc1474956be4f6d6051ab94b4d22d9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ef1cfa1043141ca1d1fc9ece0b1656ebc1474956be4f6d6051ab94b4d22d9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef1cfa1043141ca1d1fc9ece0b1656ebc1474956be4f6d6051ab94b4d22d9b3", kill_on_drop: false }`
[INFO] [stdout] 9ef1cfa1043141ca1d1fc9ece0b1656ebc1474956be4f6d6051ab94b4d22d9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d77fd2f6509ffc7d0e3125de2814ae13a94bac365bfa060dd5bf32a94a968ab
[INFO] running `Command { std: "docker" "start" "-a" "5d77fd2f6509ffc7d0e3125de2814ae13a94bac365bfa060dd5bf32a94a968ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling io-uring v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_builder v4.5.15
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/types.rs:417:34
[INFO] [stdout]     |
[INFO] [stdout] 417 |         let msghdr_control_len = usize::try_from(msghdr.msg_controllen).unwrap();
[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 `io-uring` (lib) 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<usize, Infallible>
[INFO] [stdout]    --> src/types.rs:417:34
[INFO] [stdout]     |
[INFO] [stdout] 417 |         let msghdr_control_len = usize::try_from(msghdr.msg_controllen).unwrap();
[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 `io-uring` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5d77fd2f6509ffc7d0e3125de2814ae13a94bac365bfa060dd5bf32a94a968ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d77fd2f6509ffc7d0e3125de2814ae13a94bac365bfa060dd5bf32a94a968ab", kill_on_drop: false }`
[INFO] [stdout] 5d77fd2f6509ffc7d0e3125de2814ae13a94bac365bfa060dd5bf32a94a968ab