[INFO] updating cached repository overvenus/stackoverflow-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/overvenus/stackoverflow-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/overvenus/stackoverflow-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/overvenus/stackoverflow-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/overvenus/stackoverflow-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/overvenus/stackoverflow-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82f0726992305bd40199a8b4d2a842952e9287cd
[INFO] sha for GitHub repo overvenus/stackoverflow-rs: 82f0726992305bd40199a8b4d2a842952e9287cd
[INFO] validating manifest of overvenus/stackoverflow-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of overvenus/stackoverflow-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing overvenus/stackoverflow-rs
[INFO] finished frobbing overvenus/stackoverflow-rs
[INFO] frobbed toml for overvenus/stackoverflow-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/overvenus/stackoverflow-rs/Cargo.toml
[INFO] started frobbing overvenus/stackoverflow-rs
[INFO] finished frobbing overvenus/stackoverflow-rs
[INFO] frobbed toml for overvenus/stackoverflow-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs/Cargo.toml
[INFO] crate overvenus/stackoverflow-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing overvenus/stackoverflow-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ce3e630a3bb737c09d080cb139e7f736b554d55dfbea02747fcc5f677fae10d9
[INFO] running `"docker" "start" "-a" "ce3e630a3bb737c09d080cb139e7f736b554d55dfbea02747fcc5f677fae10d9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "ce3e630a3bb737c09d080cb139e7f736b554d55dfbea02747fcc5f677fae10d9"`
[INFO] running `"docker" "rm" "-f" "ce3e630a3bb737c09d080cb139e7f736b554d55dfbea02747fcc5f677fae10d9"`
[INFO] [stdout] ce3e630a3bb737c09d080cb139e7f736b554d55dfbea02747fcc5f677fae10d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e9b2e102908d2c375f723c34d007345e4fb8bf283c8d4d4acb25f6a946f2ecc5
[INFO] running `"docker" "start" "-a" "e9b2e102908d2c375f723c34d007345e4fb8bf283c8d4d4acb25f6a946f2ecc5"`
[INFO] [stderr]    Compiling stack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "e9b2e102908d2c375f723c34d007345e4fb8bf283c8d4d4acb25f6a946f2ecc5"`
[INFO] running `"docker" "rm" "-f" "e9b2e102908d2c375f723c34d007345e4fb8bf283c8d4d4acb25f6a946f2ecc5"`
[INFO] [stdout] e9b2e102908d2c375f723c34d007345e4fb8bf283c8d4d4acb25f6a946f2ecc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overvenus/stackoverflow-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ad1acf00ede17d93b679a0cb686aa1d16962057b65eb2568a202daf3a1b5f4dd
[INFO] running `"docker" "start" "-a" "ad1acf00ede17d93b679a0cb686aa1d16962057b65eb2568a202daf3a1b5f4dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack-0b191749ed0aa8cf
[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" "ad1acf00ede17d93b679a0cb686aa1d16962057b65eb2568a202daf3a1b5f4dd"`
[INFO] running `"docker" "rm" "-f" "ad1acf00ede17d93b679a0cb686aa1d16962057b65eb2568a202daf3a1b5f4dd"`
[INFO] [stdout] ad1acf00ede17d93b679a0cb686aa1d16962057b65eb2568a202daf3a1b5f4dd