[INFO] updating cached repository cystark/rust_tut
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cystark/rust_tut
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cystark/rust_tut" "work/ex/beta-1.37-6/sources/1.36.0/gh/cystark/rust_tut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cystark/rust_tut'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cystark/rust_tut" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cystark/rust_tut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cystark/rust_tut'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa0a4802de9ea83e84cb7e800cb08475b5b15b65
[INFO] sha for GitHub repo cystark/rust_tut: fa0a4802de9ea83e84cb7e800cb08475b5b15b65
[INFO] validating manifest of cystark/rust_tut 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 cystark/rust_tut 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 cystark/rust_tut
[INFO] finished frobbing cystark/rust_tut
[INFO] frobbed toml for cystark/rust_tut written to work/ex/beta-1.37-6/sources/1.36.0/gh/cystark/rust_tut/Cargo.toml
[INFO] started frobbing cystark/rust_tut
[INFO] finished frobbing cystark/rust_tut
[INFO] frobbed toml for cystark/rust_tut written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cystark/rust_tut/Cargo.toml
[INFO] crate cystark/rust_tut 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 cystark/rust_tut 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-3/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/cystark/rust_tut:/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] f286a1c31ad173dec13bcacdd7678e1df0e7ccb924b8a58908821b20e0d6084f
[INFO] running `"docker" "start" "-a" "f286a1c31ad173dec13bcacdd7678e1df0e7ccb924b8a58908821b20e0d6084f"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "f286a1c31ad173dec13bcacdd7678e1df0e7ccb924b8a58908821b20e0d6084f"`
[INFO] running `"docker" "rm" "-f" "f286a1c31ad173dec13bcacdd7678e1df0e7ccb924b8a58908821b20e0d6084f"`
[INFO] [stdout] f286a1c31ad173dec13bcacdd7678e1df0e7ccb924b8a58908821b20e0d6084f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/cystark/rust_tut:/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] 56ca0a0b232f2010fa5b00a8a79b62b936e7bf1bf54d9ee08b6718680fa82dcd
[INFO] running `"docker" "start" "-a" "56ca0a0b232f2010fa5b00a8a79b62b936e7bf1bf54d9ee08b6718680fa82dcd"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "56ca0a0b232f2010fa5b00a8a79b62b936e7bf1bf54d9ee08b6718680fa82dcd"`
[INFO] running `"docker" "rm" "-f" "56ca0a0b232f2010fa5b00a8a79b62b936e7bf1bf54d9ee08b6718680fa82dcd"`
[INFO] [stdout] 56ca0a0b232f2010fa5b00a8a79b62b936e7bf1bf54d9ee08b6718680fa82dcd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/cystark/rust_tut:/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] 4eb22e8497545c60768f9e6046c700da465c0ec05689285c4d758fd637fdcebb
[INFO] running `"docker" "start" "-a" "4eb22e8497545c60768f9e6046c700da465c0ec05689285c4d758fd637fdcebb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-25d23563505ff08e
[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" "4eb22e8497545c60768f9e6046c700da465c0ec05689285c4d758fd637fdcebb"`
[INFO] running `"docker" "rm" "-f" "4eb22e8497545c60768f9e6046c700da465c0ec05689285c4d758fd637fdcebb"`
[INFO] [stdout] 4eb22e8497545c60768f9e6046c700da465c0ec05689285c4d758fd637fdcebb