[INFO] updating cached repository abeforgit/bg_switcher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abeforgit/bg_switcher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abeforgit/bg_switcher" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/abeforgit/bg_switcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/abeforgit/bg_switcher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abeforgit/bg_switcher" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/abeforgit/bg_switcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/abeforgit/bg_switcher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] efd698a6d389943f938850be65acf17325059bf7
[INFO] sha for GitHub repo abeforgit/bg_switcher: efd698a6d389943f938850be65acf17325059bf7
[INFO] validating manifest of abeforgit/bg_switcher on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abeforgit/bg_switcher on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing abeforgit/bg_switcher
[INFO] finished frobbing abeforgit/bg_switcher
[INFO] frobbed toml for abeforgit/bg_switcher written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/abeforgit/bg_switcher/Cargo.toml
[INFO] started frobbing abeforgit/bg_switcher
[INFO] finished frobbing abeforgit/bg_switcher
[INFO] frobbed toml for abeforgit/bg_switcher written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/abeforgit/bg_switcher/Cargo.toml
[INFO] crate abeforgit/bg_switcher already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking abeforgit/bg_switcher against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/abeforgit/bg_switcher:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e065e4ad39398d036b2acd2dbd3763e44346ae8a8bb553cd8d125a79992b40d5
[INFO] running `"docker" "start" "-a" "e065e4ad39398d036b2acd2dbd3763e44346ae8a8bb553cd8d125a79992b40d5"`
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking i3ipc v0.8.2
[INFO] [stderr]     Checking bg_switcher v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "e065e4ad39398d036b2acd2dbd3763e44346ae8a8bb553cd8d125a79992b40d5"`
[INFO] running `"docker" "rm" "-f" "e065e4ad39398d036b2acd2dbd3763e44346ae8a8bb553cd8d125a79992b40d5"`
[INFO] [stdout] e065e4ad39398d036b2acd2dbd3763e44346ae8a8bb553cd8d125a79992b40d5