[INFO] fetching crate blkio 0.5.1...
[INFO] checking blkio-0.5.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate blkio 0.5.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate blkio 0.5.1
[INFO] finished tweaking crates.io crate blkio 0.5.1
[INFO] tweaked toml for crates.io crate blkio 0.5.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blkio 0.5.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.11)
[INFO] [stderr]       Adding rustix v0.38.44 (available: v1.1.2)
[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] 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] d6576568b12723a3301f2b617c32eb3503df2621711ffc59a1282c18b0aaef47
[INFO] running `Command { std: "docker" "start" "-a" "d6576568b12723a3301f2b617c32eb3503df2621711ffc59a1282c18b0aaef47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6576568b12723a3301f2b617c32eb3503df2621711ffc59a1282c18b0aaef47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6576568b12723a3301f2b617c32eb3503df2621711ffc59a1282c18b0aaef47", kill_on_drop: false }`
[INFO] [stdout] d6576568b12723a3301f2b617c32eb3503df2621711ffc59a1282c18b0aaef47
[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] 186b3f2f0b68272b57750a36d8206adc5e4d21949598e1dd9a57e56fe5121ca8
[INFO] running `Command { std: "docker" "start" "-a" "186b3f2f0b68272b57750a36d8206adc5e4d21949598e1dd9a57e56fe5121ca8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.177
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking virtio-bindings v0.2.6
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking pci-driver v0.1.4
[INFO] [stderr]     Checking virtio-driver v0.6.1
[INFO] [stderr]     Checking blkio v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]   --> src/wait.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |         tv_nsec: t.subsec_nanos().try_into().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 `blkio` (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: std::result::Result<i64, Infallible>
[INFO] [stdout]   --> src/wait.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |         tv_nsec: t.subsec_nanos().try_into().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 `blkio` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "186b3f2f0b68272b57750a36d8206adc5e4d21949598e1dd9a57e56fe5121ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186b3f2f0b68272b57750a36d8206adc5e4d21949598e1dd9a57e56fe5121ca8", kill_on_drop: false }`
[INFO] [stdout] 186b3f2f0b68272b57750a36d8206adc5e4d21949598e1dd9a57e56fe5121ca8
