[INFO] updating cached repository majorz/iron-tryout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/majorz/iron-tryout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/majorz/iron-tryout" "work/ex/beta-1.38-1/sources/1.37.0/gh/majorz/iron-tryout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/majorz/iron-tryout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/majorz/iron-tryout" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c29991229fa8e69c3faf041d938f0a4551eaa120
[INFO] sha for GitHub repo majorz/iron-tryout: c29991229fa8e69c3faf041d938f0a4551eaa120
[INFO] validating manifest of majorz/iron-tryout on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of majorz/iron-tryout on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing majorz/iron-tryout
[INFO] finished frobbing majorz/iron-tryout
[INFO] frobbed toml for majorz/iron-tryout written to work/ex/beta-1.38-1/sources/1.37.0/gh/majorz/iron-tryout/Cargo.toml
[INFO] started frobbing majorz/iron-tryout
[INFO] finished frobbing majorz/iron-tryout
[INFO] frobbed toml for majorz/iron-tryout written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout/Cargo.toml
[INFO] crate majorz/iron-tryout already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/majorz/iron-tryout/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing majorz/iron-tryout against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] acbbbafcfc587c5a409e942063ce35bb6533ea22f9cc2559f8bd3c34ec3b6517
[INFO] running `"docker" "start" "-a" "acbbbafcfc587c5a409e942063ce35bb6533ea22f9cc2559f8bd3c34ec3b6517"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling iron-tryout v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `"docker" "inspect" "acbbbafcfc587c5a409e942063ce35bb6533ea22f9cc2559f8bd3c34ec3b6517"`
[INFO] running `"docker" "rm" "-f" "acbbbafcfc587c5a409e942063ce35bb6533ea22f9cc2559f8bd3c34ec3b6517"`
[INFO] [stdout] acbbbafcfc587c5a409e942063ce35bb6533ea22f9cc2559f8bd3c34ec3b6517
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c7f062dbf05981d35a2430c07be7f4929771c3a536d5322082bba3654e193894
[INFO] running `"docker" "start" "-a" "c7f062dbf05981d35a2430c07be7f4929771c3a536d5322082bba3654e193894"`
[INFO] [stderr]    Compiling iron-tryout v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "c7f062dbf05981d35a2430c07be7f4929771c3a536d5322082bba3654e193894"`
[INFO] running `"docker" "rm" "-f" "c7f062dbf05981d35a2430c07be7f4929771c3a536d5322082bba3654e193894"`
[INFO] [stdout] c7f062dbf05981d35a2430c07be7f4929771c3a536d5322082bba3654e193894
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/majorz/iron-tryout:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2ebf6b72341227054fd68c323773c9413f9fc4da0975c0d7695eefd78dde77dc
[INFO] running `"docker" "start" "-a" "2ebf6b72341227054fd68c323773c9413f9fc4da0975c0d7695eefd78dde77dc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_tryout-7cb28744a66b4590
[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" "2ebf6b72341227054fd68c323773c9413f9fc4da0975c0d7695eefd78dde77dc"`
[INFO] running `"docker" "rm" "-f" "2ebf6b72341227054fd68c323773c9413f9fc4da0975c0d7695eefd78dde77dc"`
[INFO] [stdout] 2ebf6b72341227054fd68c323773c9413f9fc4da0975c0d7695eefd78dde77dc