[INFO] crate uuid 0.7.4 is already in cache
[INFO] extracting crate uuid 0.7.4 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/uuid/0.7.4
[INFO] extracting crate uuid 0.7.4 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/uuid/0.7.4
[INFO] validating manifest of uuid-0.7.4 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uuid-0.7.4 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uuid-0.7.4
[INFO] finished frobbing uuid-0.7.4
[INFO] frobbed toml for uuid-0.7.4 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/uuid/0.7.4/Cargo.toml
[INFO] started frobbing uuid-0.7.4
[INFO] finished frobbing uuid-0.7.4
[INFO] frobbed toml for uuid-0.7.4 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/uuid/0.7.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uuid-0.7.4 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-0/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/uuid/0.7.4:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2265d921a2a1f448c7bf08e47fde22fbb6b8c0fbda7328523fc76a0aeb852eef
[INFO] running `"docker" "start" "-a" "2265d921a2a1f448c7bf08e47fde22fbb6b8c0fbda7328523fc76a0aeb852eef"`
[INFO] [stderr]     Checking uuid v0.7.4 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_test v1.0.90
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "2265d921a2a1f448c7bf08e47fde22fbb6b8c0fbda7328523fc76a0aeb852eef"`
[INFO] running `"docker" "rm" "-f" "2265d921a2a1f448c7bf08e47fde22fbb6b8c0fbda7328523fc76a0aeb852eef"`
[INFO] [stdout] 2265d921a2a1f448c7bf08e47fde22fbb6b8c0fbda7328523fc76a0aeb852eef