Dec 18 16:21:31.630 INFO checking fsync-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:21:31.630 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/fsync/0.1.0:/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:21:31.838 INFO [stdout] 979ae87b50a0013b3fca59b4e2d67cf4e74dbd0acfae98a3c2bdc2462752eb14
Dec 18 16:21:31.840 INFO running `"docker" "start" "-a" "979ae87b50a0013b3fca59b4e2d67cf4e74dbd0acfae98a3c2bdc2462752eb14"`
Dec 18 16:21:32.437 INFO [stderr]     Checking fsync v0.1.0 (/opt/crater/workdir)
Dec 18 16:21:32.844 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:21:32.844 INFO [stderr]   --> src/lib.rs:66:8
Dec 18 16:21:32.844 INFO [stderr]    |
Dec 18 16:21:32.844 INFO [stderr] 66 |     Ok((copied))
Dec 18 16:21:32.844 INFO [stderr]    |        ^^^^^^^^ help: remove these parentheses
Dec 18 16:21:32.844 INFO [stderr]    |
Dec 18 16:21:32.844 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 16:21:32.844 INFO [stderr] 
Dec 18 16:21:32.932 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:21:32.932 INFO [stderr]   --> src/lib.rs:66:8
Dec 18 16:21:32.932 INFO [stderr]    |
Dec 18 16:21:32.932 INFO [stderr] 66 |     Ok((copied))
Dec 18 16:21:32.932 INFO [stderr]    |        ^^^^^^^^ help: remove these parentheses
Dec 18 16:21:32.932 INFO [stderr]    |
Dec 18 16:21:32.932 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 16:21:32.932 INFO [stderr] 
Dec 18 16:21:32.946 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:21:32.946 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 16:21:32.946 INFO [stderr]    |
Dec 18 16:21:32.946 INFO [stderr] 1  | / error_chain! {
Dec 18 16:21:32.946 INFO [stderr] 2  | |     errors {
Dec 18 16:21:32.946 INFO [stderr] 3  | |         InvalidUsage(msg: String) {
Dec 18 16:21:32.946 INFO [stderr] 4  | |             description("invalid usage")
Dec 18 16:21:32.946 INFO [stderr] ...  |
Dec 18 16:21:32.946 INFO [stderr] 12 | |     }
Dec 18 16:21:32.946 INFO [stderr] 13 | | }
Dec 18 16:21:32.946 INFO [stderr]    | |_^
Dec 18 16:21:32.946 INFO [stderr]    |
Dec 18 16:21:32.946 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:21:32.946 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:21:32.946 INFO [stderr] 
Dec 18 16:21:32.946 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:21:32.946 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 16:21:32.947 INFO [stderr]    |
Dec 18 16:21:32.947 INFO [stderr] 1  | / error_chain! {
Dec 18 16:21:32.947 INFO [stderr] 2  | |     errors {
Dec 18 16:21:32.947 INFO [stderr] 3  | |         InvalidUsage(msg: String) {
Dec 18 16:21:32.947 INFO [stderr] 4  | |             description("invalid usage")
Dec 18 16:21:32.947 INFO [stderr] ...  |
Dec 18 16:21:32.947 INFO [stderr] 12 | |     }
Dec 18 16:21:32.947 INFO [stderr] 13 | | }
Dec 18 16:21:32.947 INFO [stderr]    | |_^
Dec 18 16:21:32.947 INFO [stderr]    |
Dec 18 16:21:32.947 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:21:32.947 INFO [stderr] 
Dec 18 16:21:33.044 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:21:33.048 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 16:21:33.048 INFO [stderr]    |
Dec 18 16:21:33.048 INFO [stderr] 1  | / error_chain! {
Dec 18 16:21:33.048 INFO [stderr] 2  | |     errors {
Dec 18 16:21:33.048 INFO [stderr] 3  | |         InvalidUsage(msg: String) {
Dec 18 16:21:33.048 INFO [stderr] 4  | |             description("invalid usage")
Dec 18 16:21:33.048 INFO [stderr] ...  |
Dec 18 16:21:33.048 INFO [stderr] 12 | |     }
Dec 18 16:21:33.048 INFO [stderr] 13 | | }
Dec 18 16:21:33.048 INFO [stderr]    | |_^
Dec 18 16:21:33.048 INFO [stderr]    |
Dec 18 16:21:33.048 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:21:33.048 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:21:33.048 INFO [stderr] 
Dec 18 16:21:33.048 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:21:33.048 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 16:21:33.048 INFO [stderr]    |
Dec 18 16:21:33.048 INFO [stderr] 1  | / error_chain! {
Dec 18 16:21:33.048 INFO [stderr] 2  | |     errors {
Dec 18 16:21:33.048 INFO [stderr] 3  | |         InvalidUsage(msg: String) {
Dec 18 16:21:33.048 INFO [stderr] 4  | |             description("invalid usage")
Dec 18 16:21:33.048 INFO [stderr] ...  |
Dec 18 16:21:33.048 INFO [stderr] 12 | |     }
Dec 18 16:21:33.048 INFO [stderr] 13 | | }
Dec 18 16:21:33.048 INFO [stderr]    | |_^
Dec 18 16:21:33.048 INFO [stderr]    |
Dec 18 16:21:33.048 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:21:33.048 INFO [stderr] 
Dec 18 16:21:33.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 18 16:21:33.727 INFO running `"docker" "inspect" "979ae87b50a0013b3fca59b4e2d67cf4e74dbd0acfae98a3c2bdc2462752eb14"`
Dec 18 16:21:33.842 INFO running `"docker" "rm" "-f" "979ae87b50a0013b3fca59b4e2d67cf4e74dbd0acfae98a3c2bdc2462752eb14"`
Dec 18 16:21:33.997 INFO [stdout] 979ae87b50a0013b3fca59b4e2d67cf4e74dbd0acfae98a3c2bdc2462752eb14