[INFO] fetching crate wpactrl 0.5.1...
[INFO] checking wpactrl-0.5.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate wpactrl 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wpactrl 0.5.1
[INFO] finished tweaking crates.io crate wpactrl 0.5.1
[INFO] tweaked toml for crates.io crate wpactrl 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wpactrl 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]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding serial_test v0.6.0 (available: v3.2.0)
[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] 66cbceaf51920cf58bbaf36b5046c7a2f60862b5a812b3394c0c7702e9518f5c
[INFO] running `Command { std: "docker" "start" "-a" "66cbceaf51920cf58bbaf36b5046c7a2f60862b5a812b3394c0c7702e9518f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66cbceaf51920cf58bbaf36b5046c7a2f60862b5a812b3394c0c7702e9518f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cbceaf51920cf58bbaf36b5046c7a2f60862b5a812b3394c0c7702e9518f5c", kill_on_drop: false }`
[INFO] [stdout] 66cbceaf51920cf58bbaf36b5046c7a2f60862b5a812b3394c0c7702e9518f5c
[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] 59ad39e2b3258a9e952bd4b59e822712c7f1188dba205800a27f240fb51aad98
[INFO] running `Command { std: "docker" "start" "-a" "59ad39e2b3258a9e952bd4b59e822712c7f1188dba205800a27f240fb51aad98", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking wpactrl 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/wpactrl.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 tv_usec: duration.subsec_micros().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 `wpactrl` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "59ad39e2b3258a9e952bd4b59e822712c7f1188dba205800a27f240fb51aad98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ad39e2b3258a9e952bd4b59e822712c7f1188dba205800a27f240fb51aad98", kill_on_drop: false }`
[INFO] [stdout] 59ad39e2b3258a9e952bd4b59e822712c7f1188dba205800a27f240fb51aad98