[INFO] updating cached repository https://github.com/RustExamples/variables_and_mutability
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3f53b3fc1212a4c049dbdcf82dfa17d808097b4
[INFO] testing RustExamples/variables_and_mutability against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fvariables_and_mutability" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustExamples/variables_and_mutability on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RustExamples/variables_and_mutability
[INFO] finished tweaking git repo https://github.com/RustExamples/variables_and_mutability
[INFO] tweaked toml for git repo https://github.com/RustExamples/variables_and_mutability written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RustExamples/variables_and_mutability already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9902e2823ecf3a32cb00b7dc7982c62932c61e48b5dfd3b0d0e70999f212e45b
[INFO] running `"docker" "start" "-a" "9902e2823ecf3a32cb00b7dc7982c62932c61e48b5dfd3b0d0e70999f212e45b"`
[INFO] [stderr]    Compiling variables_and_mutability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "9902e2823ecf3a32cb00b7dc7982c62932c61e48b5dfd3b0d0e70999f212e45b"`
[INFO] running `"docker" "rm" "-f" "9902e2823ecf3a32cb00b7dc7982c62932c61e48b5dfd3b0d0e70999f212e45b"`
[INFO] [stdout] 9902e2823ecf3a32cb00b7dc7982c62932c61e48b5dfd3b0d0e70999f212e45b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4514dcf51ac40ee0175c8df19436a36b921f564af270fa150f7784d78e0554dc
[INFO] running `"docker" "start" "-a" "4514dcf51ac40ee0175c8df19436a36b921f564af270fa150f7784d78e0554dc"`
[INFO] [stderr]    Compiling variables_and_mutability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "4514dcf51ac40ee0175c8df19436a36b921f564af270fa150f7784d78e0554dc"`
[INFO] running `"docker" "rm" "-f" "4514dcf51ac40ee0175c8df19436a36b921f564af270fa150f7784d78e0554dc"`
[INFO] [stdout] 4514dcf51ac40ee0175c8df19436a36b921f564af270fa150f7784d78e0554dc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 7aad0038eafaf863d6113eb8b3e9abfdf4b3ad2bfbde0320703f0cf57b2b3615
[INFO] running `"docker" "start" "-a" "7aad0038eafaf863d6113eb8b3e9abfdf4b3ad2bfbde0320703f0cf57b2b3615"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/variables_and_mutability-1cdb1b0165670e65
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7aad0038eafaf863d6113eb8b3e9abfdf4b3ad2bfbde0320703f0cf57b2b3615"`
[INFO] running `"docker" "rm" "-f" "7aad0038eafaf863d6113eb8b3e9abfdf4b3ad2bfbde0320703f0cf57b2b3615"`
[INFO] [stdout] 7aad0038eafaf863d6113eb8b3e9abfdf4b3ad2bfbde0320703f0cf57b2b3615