Dec 05 17:04:48.817 INFO checking acct-0.5.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 17:04:48.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 17:04:49.299 INFO [stdout] 38f5c458b8b38f82406363014df502455041432041fa5ed3852bc34840ddc70a
Dec 05 17:04:49.307 INFO running `"docker" "start" "-a" "38f5c458b8b38f82406363014df502455041432041fa5ed3852bc34840ddc70a"`
Dec 05 17:04:50.621 INFO [stderr] usermod: no changes
Dec 05 17:04:50.801 INFO [stderr]     Checking users v0.8.1
Dec 05 17:04:51.903 INFO [stderr]     Checking acct v0.5.0 (/source)
Dec 05 17:04:53.138 INFO [stderr] warning: unused import: `std::string::FromUtf8Error`
Dec 05 17:04:53.139 INFO [stderr]   --> src/lib.rs:17:5
Dec 05 17:04:53.139 INFO [stderr]    |
Dec 05 17:04:53.139 INFO [stderr] 17 | use std::string::FromUtf8Error;
Dec 05 17:04:53.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:53.140 INFO [stderr]    |
Dec 05 17:04:53.140 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 17:04:53.140 INFO [stderr] 
Dec 05 17:04:53.496 INFO [stderr] warning: unused import: `std::string::FromUtf8Error`
Dec 05 17:04:53.496 INFO [stderr]   --> src/lib.rs:17:5
Dec 05 17:04:53.496 INFO [stderr]    |
Dec 05 17:04:53.497 INFO [stderr] 17 | use std::string::FromUtf8Error;
Dec 05 17:04:53.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:53.497 INFO [stderr]    |
Dec 05 17:04:53.498 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 17:04:53.498 INFO [stderr] 
Dec 05 17:04:53.656 INFO [stderr] warning: function is never used: `expand_time`
Dec 05 17:04:53.656 INFO [stderr]    --> src/lib.rs:211:1
Dec 05 17:04:53.656 INFO [stderr]     |
Dec 05 17:04:53.657 INFO [stderr] 211 | fn expand_time(time: u16) -> u16 {
Dec 05 17:04:53.657 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:53.657 INFO [stderr]     |
Dec 05 17:04:53.657 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 17:04:53.658 INFO [stderr] 
Dec 05 17:04:53.663 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 17:04:53.664 INFO [stderr]  --> src/lib.rs:7:12
Dec 05 17:04:53.664 INFO [stderr]   |
Dec 05 17:04:53.664 INFO [stderr] 7 | #![feature(iterator_step_by)]
Dec 05 17:04:53.664 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 05 17:04:53.666 INFO [stderr]   |
Dec 05 17:04:53.666 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 17:04:53.671 INFO [stderr] 
Dec 05 17:04:53.939 INFO [stderr] warning: function is never used: `expand_time`
Dec 05 17:04:53.939 INFO [stderr]    --> src/lib.rs:211:1
Dec 05 17:04:53.939 INFO [stderr]     |
Dec 05 17:04:53.939 INFO [stderr] 211 | fn expand_time(time: u16) -> u16 {
Dec 05 17:04:53.939 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:53.939 INFO [stderr]     |
Dec 05 17:04:53.939 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 17:04:53.939 INFO [stderr] 
Dec 05 17:04:53.939 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 17:04:53.939 INFO [stderr]  --> src/lib.rs:7:12
Dec 05 17:04:53.939 INFO [stderr]   |
Dec 05 17:04:53.939 INFO [stderr] 7 | #![feature(iterator_step_by)]
Dec 05 17:04:53.940 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 05 17:04:53.940 INFO [stderr]   |
Dec 05 17:04:53.940 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 17:04:53.940 INFO [stderr] 
Dec 05 17:04:56.905 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 17:04:56.905 INFO [stderr]   --> src/bin.rs:41:5
Dec 05 17:04:56.905 INFO [stderr]    |
Dec 05 17:04:56.905 INFO [stderr] 41 |     out.write_all(&bytes);
Dec 05 17:04:56.905 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:56.905 INFO [stderr]    |
Dec 05 17:04:56.905 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 17:04:56.905 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 17:04:56.905 INFO [stderr] 
Dec 05 17:04:57.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 17:04:57.391 INFO [stderr]   --> src/bin.rs:41:5
Dec 05 17:04:57.391 INFO [stderr]    |
Dec 05 17:04:57.391 INFO [stderr] 41 |     out.write_all(&bytes);
Dec 05 17:04:57.391 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 17:04:57.391 INFO [stderr]    |
Dec 05 17:04:57.391 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 17:04:57.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 17:04:57.391 INFO [stderr] 
Dec 05 17:04:57.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
Dec 05 17:04:57.419 INFO [stderr] su: No module specific data is present
Dec 05 17:04:57.967 INFO running `"docker" "inspect" "38f5c458b8b38f82406363014df502455041432041fa5ed3852bc34840ddc70a"`
Dec 05 17:04:58.263 INFO running `"docker" "rm" "-f" "38f5c458b8b38f82406363014df502455041432041fa5ed3852bc34840ddc70a"`
Dec 05 17:04:58.579 INFO [stdout] 38f5c458b8b38f82406363014df502455041432041fa5ed3852bc34840ddc70a