[INFO] updating cached repository RustExamples/variables_and_mutability
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustExamples/variables_and_mutability
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/variables_and_mutability" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/variables_and_mutability" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RustExamples/variables_and_mutability"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RustExamples/variables_and_mutability'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3f53b3fc1212a4c049dbdcf82dfa17d808097b4
[INFO] sha for GitHub repo RustExamples/variables_and_mutability: c3f53b3fc1212a4c049dbdcf82dfa17d808097b4
[INFO] validating manifest of RustExamples/variables_and_mutability on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RustExamples/variables_and_mutability on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RustExamples/variables_and_mutability
[INFO] finished frobbing RustExamples/variables_and_mutability
[INFO] frobbed toml for RustExamples/variables_and_mutability written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability/Cargo.toml
[INFO] started frobbing RustExamples/variables_and_mutability
[INFO] finished frobbing RustExamples/variables_and_mutability
[INFO] frobbed toml for RustExamples/variables_and_mutability written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RustExamples/variables_and_mutability/Cargo.toml
[INFO] crate RustExamples/variables_and_mutability has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RustExamples/variables_and_mutability against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e406b31836f471dbb41c42379848e826efdbb2269c2080bb7a3fba6c88435ca6
[INFO] running `"docker" "start" "-a" "e406b31836f471dbb41c42379848e826efdbb2269c2080bb7a3fba6c88435ca6"`
[INFO] [stderr]    Compiling variables_and_mutability v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "e406b31836f471dbb41c42379848e826efdbb2269c2080bb7a3fba6c88435ca6"`
[INFO] running `"docker" "rm" "-f" "e406b31836f471dbb41c42379848e826efdbb2269c2080bb7a3fba6c88435ca6"`
[INFO] [stdout] e406b31836f471dbb41c42379848e826efdbb2269c2080bb7a3fba6c88435ca6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe5b62b0953a89b13b18a71e74501447d8801d1eb9a0528ccbdbb8d2d45e5c15
[INFO] running `"docker" "start" "-a" "fe5b62b0953a89b13b18a71e74501447d8801d1eb9a0528ccbdbb8d2d45e5c15"`
[INFO] [stderr]    Compiling variables_and_mutability v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "fe5b62b0953a89b13b18a71e74501447d8801d1eb9a0528ccbdbb8d2d45e5c15"`
[INFO] running `"docker" "rm" "-f" "fe5b62b0953a89b13b18a71e74501447d8801d1eb9a0528ccbdbb8d2d45e5c15"`
[INFO] [stdout] fe5b62b0953a89b13b18a71e74501447d8801d1eb9a0528ccbdbb8d2d45e5c15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RustExamples/variables_and_mutability:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] b07229a26b559ccd7484b6c7091848658e36b25499214786cb4266f2f7c8c8d0
[INFO] running `"docker" "start" "-a" "b07229a26b559ccd7484b6c7091848658e36b25499214786cb4266f2f7c8c8d0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables_and_mutability-a400291f487090e7
[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" "b07229a26b559ccd7484b6c7091848658e36b25499214786cb4266f2f7c8c8d0"`
[INFO] running `"docker" "rm" "-f" "b07229a26b559ccd7484b6c7091848658e36b25499214786cb4266f2f7c8c8d0"`
[INFO] [stdout] b07229a26b559ccd7484b6c7091848658e36b25499214786cb4266f2f7c8c8d0