[INFO] updating cached repository tarka/xcp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tarka/xcp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tarka/xcp" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tarka/xcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tarka/xcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tarka/xcp" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tarka/xcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tarka/xcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d82d2174d347e302d65e1fd7c8b74ff8a7ddd42
[INFO] sha for GitHub repo tarka/xcp: 0d82d2174d347e302d65e1fd7c8b74ff8a7ddd42
[INFO] validating manifest of tarka/xcp on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tarka/xcp on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tarka/xcp
[INFO] finished frobbing tarka/xcp
[INFO] frobbed toml for tarka/xcp written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tarka/xcp/Cargo.toml
[INFO] started frobbing tarka/xcp
[INFO] finished frobbing tarka/xcp
[INFO] frobbed toml for tarka/xcp written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tarka/xcp/Cargo.toml
[INFO] crate tarka/xcp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking tarka/xcp against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-4/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tarka/xcp:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1fe9035c25a6302fda379aa032ae38c1b3ee024d6d10c37e770adb0392584a3e
[INFO] running `"docker" "start" "-a" "1fe9035c25a6302fda379aa032ae38c1b3ee024d6d10c37e770adb0392584a3e"`
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking structopt v0.2.17
[INFO] [stderr]     Checking xcp v0.5.2-alpha.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/progress.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub sender: Box<Updater<Result<StatusUpdate>> + Send>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Updater<Result<StatusUpdate>> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/progress.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub sender: Box<Updater<Result<StatusUpdate>> + Send>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Updater<Result<StatusUpdate>> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.41s
[INFO] running `"docker" "inspect" "1fe9035c25a6302fda379aa032ae38c1b3ee024d6d10c37e770adb0392584a3e"`
[INFO] running `"docker" "rm" "-f" "1fe9035c25a6302fda379aa032ae38c1b3ee024d6d10c37e770adb0392584a3e"`
[INFO] [stdout] 1fe9035c25a6302fda379aa032ae38c1b3ee024d6d10c37e770adb0392584a3e