[INFO] crate ubuntu-version 0.1.2 is already in cache
[INFO] extracting crate ubuntu-version 0.1.2 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/ubuntu-version/0.1.2
[INFO] extracting crate ubuntu-version 0.1.2 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ubuntu-version/0.1.2
[INFO] validating manifest of ubuntu-version-0.1.2 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ubuntu-version-0.1.2 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ubuntu-version-0.1.2
[INFO] finished frobbing ubuntu-version-0.1.2
[INFO] frobbed toml for ubuntu-version-0.1.2 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/ubuntu-version/0.1.2/Cargo.toml
[INFO] started frobbing ubuntu-version-0.1.2
[INFO] finished frobbing ubuntu-version-0.1.2
[INFO] frobbed toml for ubuntu-version-0.1.2 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ubuntu-version/0.1.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ubuntu-version-0.1.2 against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-6/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ubuntu-version/0.1.2:/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 838d32d0d1c2026faab2a1f7c9d2f959cfa9cb2072e4d37ad07c5479fbff2c2d
[INFO] running `"docker" "start" "-a" "838d32d0d1c2026faab2a1f7c9d2f959cfa9cb2072e4d37ad07c5479fbff2c2d"`
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]     Checking ubuntu-version v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]  --> examples/example.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let version = "18.04 LTS".parse::<Version>().unwrap();
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_version`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "838d32d0d1c2026faab2a1f7c9d2f959cfa9cb2072e4d37ad07c5479fbff2c2d"`
[INFO] running `"docker" "rm" "-f" "838d32d0d1c2026faab2a1f7c9d2f959cfa9cb2072e4d37ad07c5479fbff2c2d"`
[INFO] [stdout] 838d32d0d1c2026faab2a1f7c9d2f959cfa9cb2072e4d37ad07c5479fbff2c2d