[INFO] crate fsuipc 0.4.0 is already in cache
[INFO] extracting crate fsuipc 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fsuipc/0.4.0
[INFO] extracting crate fsuipc 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fsuipc/0.4.0
[INFO] validating manifest of fsuipc-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fsuipc-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fsuipc-0.4.0
[INFO] finished frobbing fsuipc-0.4.0
[INFO] frobbed toml for fsuipc-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fsuipc/0.4.0/Cargo.toml
[INFO] started frobbing fsuipc-0.4.0
[INFO] finished frobbing fsuipc-0.4.0
[INFO] frobbed toml for fsuipc-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fsuipc/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fsuipc-0.4.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fsuipc/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a19f134908ecfe8807bb0ac3c084f8d9c7ff848abc9f8ca8b8121084fe459d91
[INFO] running `"docker" "start" "-a" "a19f134908ecfe8807bb0ac3c084f8d9c7ff848abc9f8ca8b8121084fe459d91"`
[INFO] [stderr]    Compiling user32-sys v0.1.3
[INFO] [stderr]    Compiling fsuipc v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `ReadStateData`
[INFO] [stderr]   --> src/ipc.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | /     ReadStateData {
[INFO] [stderr] 33 | |         offset: u16,
[INFO] [stderr] 34 | |         len: usize,
[INFO] [stderr] 35 | |         target: *mut u8,
[INFO] [stderr] 36 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WriteStateData`
[INFO] [stderr]   --> src/ipc.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     WriteStateData {
[INFO] [stderr] 40 | |         offset: u16,
[INFO] [stderr] 41 | |         len: usize,
[INFO] [stderr] 42 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TerminationMark`
[INFO] [stderr]   --> src/ipc.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     TerminationMark
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FS6IPC_TERMINATIONMARK_ID`
[INFO] [stderr]    --> src/ipc.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | const FS6IPC_TERMINATIONMARK_ID: u32 = 0;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FS6IPC_READSTATEDATA_ID`
[INFO] [stderr]    --> src/ipc.rs:154:1
[INFO] [stderr]     |
[INFO] [stderr] 154 | const FS6IPC_READSTATEDATA_ID: u32 = 1;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FS6IPC_WRITESTATEDATA_ID`
[INFO] [stderr]    --> src/ipc.rs:155:1
[INFO] [stderr]     |
[INFO] [stderr] 155 | const FS6IPC_WRITESTATEDATA_ID: u32 = 2;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RawBytes`
[INFO] [stderr]   --> src/raw.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct RawBytes {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raw.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(data: *const u8, len: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `consumed`
[INFO] [stderr]   --> src/raw.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn consumed(&self) -> usize { self.read }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MutRawBytes`
[INFO] [stderr]   --> src/raw.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct MutRawBytes {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raw.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(data: *mut u8, len: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "a19f134908ecfe8807bb0ac3c084f8d9c7ff848abc9f8ca8b8121084fe459d91"`
[INFO] running `"docker" "rm" "-f" "a19f134908ecfe8807bb0ac3c084f8d9c7ff848abc9f8ca8b8121084fe459d91"`
[INFO] [stdout] a19f134908ecfe8807bb0ac3c084f8d9c7ff848abc9f8ca8b8121084fe459d91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fsuipc/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 14a0189663472a76776a1952da42bcda2d226ab0cb137c2de961fa411dd5284f
[INFO] running `"docker" "start" "-a" "14a0189663472a76776a1952da42bcda2d226ab0cb137c2de961fa411dd5284f"`
[INFO] [stderr]    Compiling fsuipc v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `fsuipc::user`
[INFO] [stderr]   --> examples/hello.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | use fsuipc::user::*;
[INFO] [stderr]    |             ^^^^ could not find `user` in `fsuipc`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UserHandle`
[INFO] [stderr]   --> examples/hello.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut handle = try!(UserHandle::new());
[INFO] [stderr]    |                           ^^^^^^^^^^ use of undeclared type or module `UserHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsuipc::user::*`
[INFO] [stderr]   --> examples/hello.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use fsuipc::user::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsuipc`
[INFO] [stderr]   --> examples/hello.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use fsuipc::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `fsuipc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "14a0189663472a76776a1952da42bcda2d226ab0cb137c2de961fa411dd5284f"`
[INFO] running `"docker" "rm" "-f" "14a0189663472a76776a1952da42bcda2d226ab0cb137c2de961fa411dd5284f"`
[INFO] [stdout] 14a0189663472a76776a1952da42bcda2d226ab0cb137c2de961fa411dd5284f