[INFO] crate uuid 0.7.1 is already in cache
[INFO] extracting crate uuid 0.7.1 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/uuid/0.7.1
[INFO] extracting crate uuid 0.7.1 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/uuid/0.7.1
[INFO] validating manifest of uuid-0.7.1 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uuid-0.7.1 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uuid-0.7.1
[INFO] finished frobbing uuid-0.7.1
[INFO] frobbed toml for uuid-0.7.1 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/uuid/0.7.1/Cargo.toml
[INFO] started frobbing uuid-0.7.1
[INFO] finished frobbing uuid-0.7.1
[INFO] frobbed toml for uuid-0.7.1 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/uuid/0.7.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uuid-0.7.1 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/uuid/0.7.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a29cb1ab1b8182ed6023b24d8b01ad3a09c77e729d3818f291732fcb3688081
[INFO] running `"docker" "start" "-a" "2a29cb1ab1b8182ed6023b24d8b01ad3a09c77e729d3818f291732fcb3688081"`
[INFO] [stderr]     Checking uuid v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_test v1.0.89
[INFO] [stderr] warning: method is never used: `encode_buffer`
[INFO] [stderr]    --> src/lib.rs:952:5
[INFO] [stderr]     |
[INFO] [stderr] 952 |     pub(crate) fn encode_buffer() -> [u8; adapter::Urn::LENGTH] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> benches/slog_support/parse_str.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::prelude::*`
[INFO] [stderr]  --> benches/slog_support/parse_str.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use uuid::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uuid`
[INFO] [stderr]   --> benches/format_str.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_uuid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uuid`
[INFO] [stderr]   --> benches/format_str.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_uuid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uuid`
[INFO] [stderr]   --> benches/format_str.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let uuid = Uuid::parse_str("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4").unwrap();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_uuid`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/format_str.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut buffer = [0_u8; 36];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/format_str.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut buffer = [0_u8; 36];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/format_str.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut buffer = [0_u8; 32];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/format_str.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut buffer = [0_u8; 36 + 9];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `encode_buffer`
[INFO] [stderr]    --> src/lib.rs:952:5
[INFO] [stderr]     |
[INFO] [stderr] 952 |     pub(crate) fn encode_buffer() -> [u8; adapter::Urn::LENGTH] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `"docker" "inspect" "2a29cb1ab1b8182ed6023b24d8b01ad3a09c77e729d3818f291732fcb3688081"`
[INFO] running `"docker" "rm" "-f" "2a29cb1ab1b8182ed6023b24d8b01ad3a09c77e729d3818f291732fcb3688081"`
[INFO] [stdout] 2a29cb1ab1b8182ed6023b24d8b01ad3a09c77e729d3818f291732fcb3688081