[INFO] crate uuid 0.7.1 is already in cache
[INFO] extracting crate uuid 0.7.1 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/uuid/0.7.1
[INFO] extracting crate uuid 0.7.1 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/uuid/0.7.1
[INFO] validating manifest of uuid-0.7.1 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uuid-0.7.1 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-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-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/uuid/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uuid-0.7.1 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/uuid/0.7.1:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a03cfdb8dc68bd2def3fe1ff9f4dd724739da913410d2ceae024b1130594283a
[INFO] running `"docker" "start" "-a" "a03cfdb8dc68bd2def3fe1ff9f4dd724739da913410d2ceae024b1130594283a"`
[INFO] [stderr]     Checking uuid v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_test v1.0.82
[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 using `_uuid` instead
[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 using `_uuid` instead
[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 using `_uuid` instead
[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 4.09s
[INFO] running `"docker" "inspect" "a03cfdb8dc68bd2def3fe1ff9f4dd724739da913410d2ceae024b1130594283a"`
[INFO] running `"docker" "rm" "-f" "a03cfdb8dc68bd2def3fe1ff9f4dd724739da913410d2ceae024b1130594283a"`
[INFO] [stdout] a03cfdb8dc68bd2def3fe1ff9f4dd724739da913410d2ceae024b1130594283a