Dec 12 05:22:30.254 INFO checking uuid-0.7.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 05:22:30.254 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 05:22:30.697 INFO [stdout] 287d8af12466d1f9c513fae8994a5ca9eb46e175b8a46dc6830ef561bfcfdef4
Dec 12 05:22:30.698 INFO running `"docker" "start" "-a" "287d8af12466d1f9c513fae8994a5ca9eb46e175b8a46dc6830ef561bfcfdef4"`
Dec 12 05:22:32.624 INFO [stderr] usermod: no changes
Dec 12 05:22:32.740 INFO [stderr]     Checking uuid v0.7.1 (/source)
Dec 12 05:22:32.741 INFO [stderr]     Checking serde_test v1.0.82
Dec 12 05:22:32.741 INFO [stderr]     Checking bincode v1.0.1
Dec 12 05:22:35.420 INFO [stderr] warning: method is never used: `encode_buffer`
Dec 12 05:22:35.421 INFO [stderr]    --> src/lib.rs:952:5
Dec 12 05:22:35.421 INFO [stderr]     |
Dec 12 05:22:35.421 INFO [stderr] 952 |     pub(crate) fn encode_buffer() -> [u8; adapter::Urn::LENGTH] {
Dec 12 05:22:35.421 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:22:35.422 INFO [stderr]     |
Dec 12 05:22:35.422 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 05:22:35.422 INFO [stderr] 
Dec 12 05:22:38.684 INFO [stderr] warning: unused variable: `uuid`
Dec 12 05:22:38.684 INFO [stderr]   --> benches/format_str.rs:41:9
Dec 12 05:22:38.684 INFO [stderr]    |
Dec 12 05:22:38.684 INFO [stderr] 41 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
Dec 12 05:22:38.684 INFO [stderr]    |         ^^^^ help: consider using `_uuid` instead
Dec 12 05:22:38.698 INFO [stderr]    |
Dec 12 05:22:38.699 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 05:22:38.699 INFO [stderr] 
Dec 12 05:22:38.699 INFO [stderr] warning: unused variable: `uuid`
Dec 12 05:22:38.700 INFO [stderr]   --> benches/format_str.rs:51:9
Dec 12 05:22:38.700 INFO [stderr]    |
Dec 12 05:22:38.700 INFO [stderr] 51 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
Dec 12 05:22:38.700 INFO [stderr]    |         ^^^^ help: consider using `_uuid` instead
Dec 12 05:22:38.700 INFO [stderr] 
Dec 12 05:22:38.701 INFO [stderr] warning: unused variable: `uuid`
Dec 12 05:22:38.701 INFO [stderr]   --> benches/format_str.rs:61:9
Dec 12 05:22:38.701 INFO [stderr]    |
Dec 12 05:22:38.701 INFO [stderr] 61 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
Dec 12 05:22:38.702 INFO [stderr]    |         ^^^^ help: consider using `_uuid` instead
Dec 12 05:22:38.702 INFO [stderr] 
Dec 12 05:22:38.752 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:22:38.753 INFO [stderr]   --> benches/format_str.rs:43:13
Dec 12 05:22:38.753 INFO [stderr]    |
Dec 12 05:22:38.753 INFO [stderr] 43 |         let mut buffer = [0_u8; 36];
Dec 12 05:22:38.753 INFO [stderr]    |             ----^^^^^^
Dec 12 05:22:38.754 INFO [stderr]    |             |
Dec 12 05:22:38.754 INFO [stderr]    |             help: remove this `mut`
Dec 12 05:22:38.788 INFO [stderr]    |
Dec 12 05:22:38.789 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 05:22:38.789 INFO [stderr] 
Dec 12 05:22:38.789 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:22:38.790 INFO [stderr]   --> benches/format_str.rs:43:13
Dec 12 05:22:38.790 INFO [stderr]    |
Dec 12 05:22:38.790 INFO [stderr] 43 |         let mut buffer = [0_u8; 36];
Dec 12 05:22:38.790 INFO [stderr]    |             ----^^^^^^
Dec 12 05:22:38.791 INFO [stderr]    |             |
Dec 12 05:22:38.791 INFO [stderr]    |             help: remove this `mut`
Dec 12 05:22:38.791 INFO [stderr] 
Dec 12 05:22:38.792 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:22:38.793 INFO [stderr]   --> benches/format_str.rs:53:13
Dec 12 05:22:38.793 INFO [stderr]    |
Dec 12 05:22:38.793 INFO [stderr] 53 |         let mut buffer = [0_u8; 32];
Dec 12 05:22:38.793 INFO [stderr]    |             ----^^^^^^
Dec 12 05:22:38.793 INFO [stderr]    |             |
Dec 12 05:22:38.793 INFO [stderr]    |             help: remove this `mut`
Dec 12 05:22:38.796 INFO [stderr] 
Dec 12 05:22:38.797 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:22:38.798 INFO [stderr]   --> benches/format_str.rs:63:13
Dec 12 05:22:38.798 INFO [stderr]    |
Dec 12 05:22:38.798 INFO [stderr] 63 |         let mut buffer = [0_u8; 36 + 9];
Dec 12 05:22:38.798 INFO [stderr]    |             ----^^^^^^
Dec 12 05:22:38.800 INFO [stderr]    |             |
Dec 12 05:22:38.800 INFO [stderr]    |             help: remove this `mut`
Dec 12 05:22:38.800 INFO [stderr] 
Dec 12 05:22:39.219 INFO [stderr] warning: unused import: `test::Bencher`
Dec 12 05:22:39.219 INFO [stderr]  --> benches/slog_support/parse_str.rs:1:5
Dec 12 05:22:39.219 INFO [stderr]   |
Dec 12 05:22:39.219 INFO [stderr] 1 | use test::Bencher;
Dec 12 05:22:39.219 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 05:22:39.219 INFO [stderr]   |
Dec 12 05:22:39.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 05:22:39.220 INFO [stderr] 
Dec 12 05:22:39.220 INFO [stderr] warning: unused import: `uuid::prelude::*`
Dec 12 05:22:39.220 INFO [stderr]  --> benches/slog_support/parse_str.rs:2:5
Dec 12 05:22:39.221 INFO [stderr]   |
Dec 12 05:22:39.221 INFO [stderr] 2 | use uuid::prelude::*;
Dec 12 05:22:39.221 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 05:22:39.221 INFO [stderr] 
Dec 12 05:22:40.206 INFO [stderr] warning: method is never used: `encode_buffer`
Dec 12 05:22:40.206 INFO [stderr]    --> src/lib.rs:952:5
Dec 12 05:22:40.206 INFO [stderr]     |
Dec 12 05:22:40.206 INFO [stderr] 952 |     pub(crate) fn encode_buffer() -> [u8; adapter::Urn::LENGTH] {
Dec 12 05:22:40.206 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:22:40.206 INFO [stderr]     |
Dec 12 05:22:40.206 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 05:22:40.206 INFO [stderr] 
Dec 12 05:22:40.249 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.60s
Dec 12 05:22:40.254 INFO [stderr] su: No module specific data is present
Dec 12 05:22:41.356 INFO running `"docker" "inspect" "287d8af12466d1f9c513fae8994a5ca9eb46e175b8a46dc6830ef561bfcfdef4"`
Dec 12 05:22:41.628 INFO running `"docker" "rm" "-f" "287d8af12466d1f9c513fae8994a5ca9eb46e175b8a46dc6830ef561bfcfdef4"`
Dec 12 05:22:42.020 INFO [stdout] 287d8af12466d1f9c513fae8994a5ca9eb46e175b8a46dc6830ef561bfcfdef4