Dec 12 16:01:33.370 INFO checking dd-lib-0.2.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:01:33.370 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 16:01:33.856 INFO [stdout] 75496e2cef7d03e77f20b84f9323e76f778299ce686ad54c33577dfadbfb72e9
Dec 12 16:01:33.858 INFO running `"docker" "start" "-a" "75496e2cef7d03e77f20b84f9323e76f778299ce686ad54c33577dfadbfb72e9"`
Dec 12 16:01:34.937 INFO [stderr] usermod: no changes
Dec 12 16:01:35.068 INFO [stderr]     Checking encoding8 v0.3.2
Dec 12 16:01:36.104 INFO [stderr]     Checking dd-lib v0.2.1 (/source)
Dec 12 16:01:38.189 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.189 INFO [stderr]   --> src/io/errhandler.rs:48:17
Dec 12 16:01:38.189 INFO [stderr]    |
Dec 12 16:01:38.189 INFO [stderr] 48 |                 writeln!(self.e, "io error: <{}>; continuing", err);
Dec 12 16:01:38.189 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:01:38.189 INFO [stderr]    |
Dec 12 16:01:38.189 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 16:01:38.189 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.189 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 12 16:01:38.189 INFO [stderr] 
Dec 12 16:01:38.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.190 INFO [stderr]   --> src/io/errhandler.rs:72:13
Dec 12 16:01:38.190 INFO [stderr]    |
Dec 12 16:01:38.190 INFO [stderr] 72 | /             writeln!(
Dec 12 16:01:38.190 INFO [stderr] 73 | |                 self,
Dec 12 16:01:38.190 INFO [stderr] 74 | |                 "dd in progress: unblock: elapsed: {}, wrote {} lines",
Dec 12 16:01:38.190 INFO [stderr] 75 | |                 elapsed(&start),
Dec 12 16:01:38.190 INFO [stderr] 76 | |                 lines
Dec 12 16:01:38.190 INFO [stderr] 77 | |             );
Dec 12 16:01:38.190 INFO [stderr]    | |______________^
Dec 12 16:01:38.190 INFO [stderr]    |
Dec 12 16:01:38.190 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.190 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 12 16:01:38.190 INFO [stderr] 
Dec 12 16:01:38.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.190 INFO [stderr]   --> src/io/errhandler.rs:83:13
Dec 12 16:01:38.190 INFO [stderr]    |
Dec 12 16:01:38.190 INFO [stderr] 83 | /             writeln!(
Dec 12 16:01:38.190 INFO [stderr] 84 | |                 self,
Dec 12 16:01:38.190 INFO [stderr] 85 | |                 "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks",
Dec 12 16:01:38.190 INFO [stderr] 86 | |                 elapsed(&start),
Dec 12 16:01:38.190 INFO [stderr] 87 | |                 blocks
Dec 12 16:01:38.190 INFO [stderr] 88 | |             );
Dec 12 16:01:38.190 INFO [stderr]    | |______________^
Dec 12 16:01:38.190 INFO [stderr]    |
Dec 12 16:01:38.190 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.190 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 12 16:01:38.190 INFO [stderr] 
Dec 12 16:01:38.968 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.969 INFO [stderr]   --> src/io/errhandler.rs:48:17
Dec 12 16:01:38.969 INFO [stderr]    |
Dec 12 16:01:38.969 INFO [stderr] 48 |                 writeln!(self.e, "io error: <{}>; continuing", err);
Dec 12 16:01:38.970 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:01:38.970 INFO [stderr]    |
Dec 12 16:01:38.970 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 16:01:38.970 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.971 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 12 16:01:38.971 INFO [stderr] 
Dec 12 16:01:38.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.971 INFO [stderr]   --> src/io/errhandler.rs:72:13
Dec 12 16:01:38.972 INFO [stderr]    |
Dec 12 16:01:38.972 INFO [stderr] 72 | /             writeln!(
Dec 12 16:01:38.972 INFO [stderr] 73 | |                 self,
Dec 12 16:01:38.973 INFO [stderr] 74 | |                 "dd in progress: unblock: elapsed: {}, wrote {} lines",
Dec 12 16:01:38.973 INFO [stderr] 75 | |                 elapsed(&start),
Dec 12 16:01:38.973 INFO [stderr] 76 | |                 lines
Dec 12 16:01:38.973 INFO [stderr] 77 | |             );
Dec 12 16:01:38.974 INFO [stderr]    | |______________^
Dec 12 16:01:38.974 INFO [stderr]    |
Dec 12 16:01:38.974 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.974 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 12 16:01:38.974 INFO [stderr] 
Dec 12 16:01:38.975 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:01:38.975 INFO [stderr]   --> src/io/errhandler.rs:83:13
Dec 12 16:01:38.975 INFO [stderr]    |
Dec 12 16:01:38.975 INFO [stderr] 83 | /             writeln!(
Dec 12 16:01:38.975 INFO [stderr] 84 | |                 self,
Dec 12 16:01:38.976 INFO [stderr] 85 | |                 "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks",
Dec 12 16:01:38.976 INFO [stderr] 86 | |                 elapsed(&start),
Dec 12 16:01:38.976 INFO [stderr] 87 | |                 blocks
Dec 12 16:01:38.976 INFO [stderr] 88 | |             );
Dec 12 16:01:38.977 INFO [stderr]    | |______________^
Dec 12 16:01:38.977 INFO [stderr]    |
Dec 12 16:01:38.977 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:01:38.977 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 12 16:01:38.978 INFO [stderr] 
Dec 12 16:01:39.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
Dec 12 16:01:39.067 INFO [stderr] su: No module specific data is present
Dec 12 16:01:40.024 INFO running `"docker" "inspect" "75496e2cef7d03e77f20b84f9323e76f778299ce686ad54c33577dfadbfb72e9"`
Dec 12 16:01:40.432 INFO running `"docker" "rm" "-f" "75496e2cef7d03e77f20b84f9323e76f778299ce686ad54c33577dfadbfb72e9"`
Dec 12 16:01:40.736 INFO [stdout] 75496e2cef7d03e77f20b84f9323e76f778299ce686ad54c33577dfadbfb72e9