[INFO] updating cached repository clintmod/rust-exp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/clintmod/rust-exp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/clintmod/rust-exp" "work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/clintmod/rust-exp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clintmod/rust-exp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clintmod/rust-exp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41dd034be107eee56118987acdc66f1f2a8a6865
[INFO] sha for GitHub repo clintmod/rust-exp: 41dd034be107eee56118987acdc66f1f2a8a6865
[INFO] validating manifest of clintmod/rust-exp 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 clintmod/rust-exp 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 clintmod/rust-exp
[INFO] finished frobbing clintmod/rust-exp
[INFO] frobbed toml for clintmod/rust-exp written to work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp/Cargo.toml
[INFO] started frobbing clintmod/rust-exp
[INFO] finished frobbing clintmod/rust-exp
[INFO] frobbed toml for clintmod/rust-exp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clintmod/rust-exp/Cargo.toml
[INFO] crate clintmod/rust-exp 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] testing clintmod/rust-exp against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f4c105db135d9586719d3a1b02e961886f8a3443c021d474ac7b9d909606b2d7
[INFO] running `"docker" "start" "-a" "f4c105db135d9586719d3a1b02e961886f8a3443c021d474ac7b9d909606b2d7"`
[INFO] [stderr]    Compiling rust-exp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "f4c105db135d9586719d3a1b02e961886f8a3443c021d474ac7b9d909606b2d7"`
[INFO] running `"docker" "rm" "-f" "f4c105db135d9586719d3a1b02e961886f8a3443c021d474ac7b9d909606b2d7"`
[INFO] [stdout] f4c105db135d9586719d3a1b02e961886f8a3443c021d474ac7b9d909606b2d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba07164c62ea0ae4ebd53be529f1da28ccf395ce1e0927f1b4783289693c9142
[INFO] running `"docker" "start" "-a" "ba07164c62ea0ae4ebd53be529f1da28ccf395ce1e0927f1b4783289693c9142"`
[INFO] [stderr]    Compiling rust-exp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "ba07164c62ea0ae4ebd53be529f1da28ccf395ce1e0927f1b4783289693c9142"`
[INFO] running `"docker" "rm" "-f" "ba07164c62ea0ae4ebd53be529f1da28ccf395ce1e0927f1b4783289693c9142"`
[INFO] [stdout] ba07164c62ea0ae4ebd53be529f1da28ccf395ce1e0927f1b4783289693c9142
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clintmod/rust-exp:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6b94745821b4c458df50102e3069f6d651f9417f1e46f7f2011fb0386a8f5c53
[INFO] running `"docker" "start" "-a" "6b94745821b4c458df50102e3069f6d651f9417f1e46f7f2011fb0386a8f5c53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_exp-af465559d9743261
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test strings::test_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_main-f696017f7028583f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6b94745821b4c458df50102e3069f6d651f9417f1e46f7f2011fb0386a8f5c53"`
[INFO] running `"docker" "rm" "-f" "6b94745821b4c458df50102e3069f6d651f9417f1e46f7f2011fb0386a8f5c53"`
[INFO] [stdout] 6b94745821b4c458df50102e3069f6d651f9417f1e46f7f2011fb0386a8f5c53