[INFO] fetching crate fsuipc 0.5.0...
[INFO] checking fsuipc-0.5.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate fsuipc 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fsuipc 0.5.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fsuipc 0.5.0
[INFO] finished tweaking crates.io crate fsuipc 0.5.0
[INFO] tweaked toml for crates.io crate fsuipc 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate fsuipc 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f50169a7ab54cd0a57ffea70779ba7dc5c40773733ed4ce6967778c7b483aa3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f50169a7ab54cd0a57ffea70779ba7dc5c40773733ed4ce6967778c7b483aa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f50169a7ab54cd0a57ffea70779ba7dc5c40773733ed4ce6967778c7b483aa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50169a7ab54cd0a57ffea70779ba7dc5c40773733ed4ce6967778c7b483aa3f", kill_on_drop: false }`
[INFO] [stdout] f50169a7ab54cd0a57ffea70779ba7dc5c40773733ed4ce6967778c7b483aa3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 419cc86178b396337f497e4e70c434b3d83a2baf2d9e43fe20c8840c87d15c67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "419cc86178b396337f497e4e70c434b3d83a2baf2d9e43fe20c8840c87d15c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling user32-sys v0.1.3
[INFO] [stderr]     Checking fsuipc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ReadStateData`
[INFO] [stdout]   --> src/ipc.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     ReadStateData {
[INFO] [stdout] 33 | |         offset: u16,
[INFO] [stdout] 34 | |         len: usize,
[INFO] [stdout] 35 | |         target: *mut u8,
[INFO] [stdout] 36 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WriteStateData`
[INFO] [stdout]   --> src/ipc.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     WriteStateData {
[INFO] [stdout] 40 | |         offset: u16,
[INFO] [stdout] 41 | |         len: usize,
[INFO] [stdout] 42 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TerminationMark`
[INFO] [stdout]   --> src/ipc.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     TerminationMark
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FS6IPC_TERMINATIONMARK_ID`
[INFO] [stdout]    --> src/ipc.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | const FS6IPC_TERMINATIONMARK_ID: u32 = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FS6IPC_READSTATEDATA_ID`
[INFO] [stdout]    --> src/ipc.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | const FS6IPC_READSTATEDATA_ID: u32 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FS6IPC_WRITESTATEDATA_ID`
[INFO] [stdout]    --> src/ipc.rs:155:1
[INFO] [stdout]     |
[INFO] [stdout] 155 | const FS6IPC_WRITESTATEDATA_ID: u32 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raw.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(data: *const u8, len: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consumed`
[INFO] [stdout]   --> src/raw.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn consumed(&self) -> usize { self.read }
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raw.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(data: *mut u8, len: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `fsuipc::user`
[INFO] [stdout]   --> examples/hello.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | use fsuipc::user::*;
[INFO] [stdout]    |             ^^^^ could not find `user` in `fsuipc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UserHandle`
[INFO] [stdout]   --> examples/hello.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut handle = UserHandle::new()?;
[INFO] [stdout]    |                      ^^^^^^^^^^ use of undeclared type `UserHandle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fsuipc`
[INFO] [stdout]   --> examples/hello.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use fsuipc::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fsuipc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "419cc86178b396337f497e4e70c434b3d83a2baf2d9e43fe20c8840c87d15c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419cc86178b396337f497e4e70c434b3d83a2baf2d9e43fe20c8840c87d15c67", kill_on_drop: false }`
[INFO] [stdout] 419cc86178b396337f497e4e70c434b3d83a2baf2d9e43fe20c8840c87d15c67