[INFO] fetching crate moto-rt 0.15.0...
[INFO] checking moto-rt-0.15.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate moto-rt 0.15.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate moto-rt 0.15.0
[INFO] finished tweaking crates.io crate moto-rt 0.15.0
[INFO] tweaked toml for crates.io crate moto-rt 0.15.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate moto-rt 0.15.0 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 moto-rt 0.15.0 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] 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] 3046197a5ebe7548bdabdd075de68c6df3bc3d75e329a6fbaba099df4e0d84ad
[INFO] running `Command { std: "docker" "start" "-a" "3046197a5ebe7548bdabdd075de68c6df3bc3d75e329a6fbaba099df4e0d84ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3046197a5ebe7548bdabdd075de68c6df3bc3d75e329a6fbaba099df4e0d84ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3046197a5ebe7548bdabdd075de68c6df3bc3d75e329a6fbaba099df4e0d84ad", kill_on_drop: false }`
[INFO] [stdout] 3046197a5ebe7548bdabdd075de68c6df3bc3d75e329a6fbaba099df4e0d84ad
[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] 5d9d7e90fd91e99c20806809e84d6295771656b67ec7e70a03c259c1879f0c20
[INFO] running `Command { std: "docker" "start" "-a" "5d9d7e90fd91e99c20806809e84d6295771656b67ec7e70a03c259c1879f0c20", kill_on_drop: false }`
[INFO] [stderr]     Checking moto-rt v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `moto-rt` (lib) due to 6 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     to_result!(vdso_duplicate(rt_fd))
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     to_result!(vdso_open(bytes.as_ptr(), bytes.len(), opts))
[INFO] [stdout]     |     -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moto-rt` (lib test) due to 6 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     to_result!(vdso_opendir(bytes.as_ptr(), bytes.len()))
[INFO] [stdout]     |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/net.rs:89:5
[INFO] [stdout]     |
[INFO] [stdout]  89 |     to_result!(vdso_bind(proto, addr))
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/net.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     to_result!(vdso_tcp_connect(addr, timeout, nonblocking))
[INFO] [stdout]     |     -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/poll.rs:33:5
[INFO] [stdout]     |
[INFO] [stdout]  33 |     to_result!(vdso_poll_new())
[INFO] [stdout]     |     --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     to_result!(vdso_duplicate(rt_fd))
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     to_result!(vdso_open(bytes.as_ptr(), bytes.len(), opts))
[INFO] [stdout]     |     -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fs.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     to_result!(vdso_opendir(bytes.as_ptr(), bytes.len()))
[INFO] [stdout]     |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/net.rs:89:5
[INFO] [stdout]     |
[INFO] [stdout]  89 |     to_result!(vdso_bind(proto, addr))
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/net.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     to_result!(vdso_tcp_connect(addr, timeout, nonblocking))
[INFO] [stdout]     |     -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/error.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Ok(unsafe { res.try_into().unwrap_unchecked() })
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/poll.rs:33:5
[INFO] [stdout]     |
[INFO] [stdout]  33 |     to_result!(vdso_poll_new())
[INFO] [stdout]     |     --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `to_result` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d9d7e90fd91e99c20806809e84d6295771656b67ec7e70a03c259c1879f0c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9d7e90fd91e99c20806809e84d6295771656b67ec7e70a03c259c1879f0c20", kill_on_drop: false }`
[INFO] [stdout] 5d9d7e90fd91e99c20806809e84d6295771656b67ec7e70a03c259c1879f0c20