[INFO] crate i-o 0.4.4 is already in cache
[INFO] checking i-o-0.4.4 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate i-o 0.4.4 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate i-o 0.4.4 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate i-o 0.4.4
[INFO] finished tweaking crates.io crate i-o 0.4.4
[INFO] tweaked toml for crates.io crate i-o 0.4.4 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3a927d9a3bc670c9f330e55cb167ee05a3b38f1c40704fab2f3918c1343684f
[INFO] running `"docker" "start" "-a" "d3a927d9a3bc670c9f330e55cb167ee05a3b38f1c40704fab2f3918c1343684f"`
[INFO] [stderr]    Compiling i-o v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let m = try!(self.read(unsafe { &mut xs.storage_mut()[l..] }));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:166:40
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut buf: [T; 1] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling quickcheck_macros v0.7.0
[INFO] [stderr] error[E0432]: unresolved import `syntax::ext::base::MultiModifier`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.7.0/src/lib.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 | use syntax::ext::base::{ExtCtxt, MultiModifier, Annotatable};
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  no `MultiModifier` in `ext::base`
[INFO] [stderr]    |                                  help: a similar name exists in the module: `MultiItemModifier`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.7.0/src/lib.rs:114:19
[INFO] [stderr]     |
[INFO] [stderr] 114 |     attrs.push(cx.attribute(
[INFO] [stderr]     |                   ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `quickcheck_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d3a927d9a3bc670c9f330e55cb167ee05a3b38f1c40704fab2f3918c1343684f"`
[INFO] running `"docker" "rm" "-f" "d3a927d9a3bc670c9f330e55cb167ee05a3b38f1c40704fab2f3918c1343684f"`
[INFO] [stdout] d3a927d9a3bc670c9f330e55cb167ee05a3b38f1c40704fab2f3918c1343684f