[INFO] updating cached repository omicronns/serde-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/omicronns/serde-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/omicronns/serde-test" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/omicronns/serde-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/omicronns/serde-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/omicronns/serde-test" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/omicronns/serde-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/omicronns/serde-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43e6938795a10d7d60c8549c7e9dbd57e54de1dd
[INFO] sha for GitHub repo omicronns/serde-test: 43e6938795a10d7d60c8549c7e9dbd57e54de1dd
[INFO] validating manifest of omicronns/serde-test on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of omicronns/serde-test on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing omicronns/serde-test
[INFO] finished frobbing omicronns/serde-test
[INFO] frobbed toml for omicronns/serde-test written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/omicronns/serde-test/Cargo.toml
[INFO] started frobbing omicronns/serde-test
[INFO] finished frobbing omicronns/serde-test
[INFO] frobbed toml for omicronns/serde-test written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/omicronns/serde-test/Cargo.toml
[INFO] crate omicronns/serde-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking omicronns/serde-test against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/omicronns/serde-test:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ef3c3e23fa3298ca98e18d2625b4e9f738cb6f26f3a6ecaa0d80c1a7fd9f22a
[INFO] running `"docker" "start" "-a" "7ef3c3e23fa3298ca98e18d2625b4e9f738cb6f26f3a6ecaa0d80c1a7fd9f22a"`
[INFO] [stderr]     Checking rust_decimal v0.11.1
[INFO] [stderr]     Checking serde-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `"docker" "inspect" "7ef3c3e23fa3298ca98e18d2625b4e9f738cb6f26f3a6ecaa0d80c1a7fd9f22a"`
[INFO] running `"docker" "rm" "-f" "7ef3c3e23fa3298ca98e18d2625b4e9f738cb6f26f3a6ecaa0d80c1a7fd9f22a"`
[INFO] [stdout] 7ef3c3e23fa3298ca98e18d2625b4e9f738cb6f26f3a6ecaa0d80c1a7fd9f22a