[INFO] updating cached repository froody/tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/froody/tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/froody/tracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/froody/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/froody/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/froody/tracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/froody/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/froody/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17b98ed31ab75f832b60ccce857911470324fbb5
[INFO] sha for GitHub repo froody/tracer: 17b98ed31ab75f832b60ccce857911470324fbb5
[INFO] validating manifest of froody/tracer 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 froody/tracer 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 froody/tracer
[INFO] finished frobbing froody/tracer
[INFO] frobbed toml for froody/tracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/froody/tracer/Cargo.toml
[INFO] started frobbing froody/tracer
[INFO] finished frobbing froody/tracer
[INFO] frobbed toml for froody/tracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/froody/tracer/Cargo.toml
[INFO] crate froody/tracer 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing froody/tracer 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-0/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/froody/tracer:/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] d35970a362cefa287f06e83536d04be4c15062646b8c9e5358fee0fb89655662
[INFO] running `"docker" "start" "-a" "d35970a362cefa287f06e83536d04be4c15062646b8c9e5358fee0fb89655662"`
[INFO] [stderr]    Compiling json v0.11.14
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `"docker" "inspect" "d35970a362cefa287f06e83536d04be4c15062646b8c9e5358fee0fb89655662"`
[INFO] running `"docker" "rm" "-f" "d35970a362cefa287f06e83536d04be4c15062646b8c9e5358fee0fb89655662"`
[INFO] [stdout] d35970a362cefa287f06e83536d04be4c15062646b8c9e5358fee0fb89655662
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/froody/tracer:/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] 5ebb0b3cab924cc42f59d55c407b6b6fa1aed12539f8febcb3d81211e4bf68b7
[INFO] running `"docker" "start" "-a" "5ebb0b3cab924cc42f59d55c407b6b6fa1aed12539f8febcb3d81211e4bf68b7"`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "5ebb0b3cab924cc42f59d55c407b6b6fa1aed12539f8febcb3d81211e4bf68b7"`
[INFO] running `"docker" "rm" "-f" "5ebb0b3cab924cc42f59d55c407b6b6fa1aed12539f8febcb3d81211e4bf68b7"`
[INFO] [stdout] 5ebb0b3cab924cc42f59d55c407b6b6fa1aed12539f8febcb3d81211e4bf68b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/froody/tracer:/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] ed3a1512b38d147ca97bb11da7c83e56e83e470847c5946a32959056569ea51e
[INFO] running `"docker" "start" "-a" "ed3a1512b38d147ca97bb11da7c83e56e83e470847c5946a32959056569ea51e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tracer-2f0865c8095da9ab
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test trace::google_trace::test_event_pair ... ok
[INFO] [stdout] test trace::google_trace::test_empty ... ok
[INFO] [stdout] test trace::google_trace::test_single_event ... ok
[INFO] [stdout] test trace::google_trace::test_malformed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ed3a1512b38d147ca97bb11da7c83e56e83e470847c5946a32959056569ea51e"`
[INFO] running `"docker" "rm" "-f" "ed3a1512b38d147ca97bb11da7c83e56e83e470847c5946a32959056569ea51e"`
[INFO] [stdout] ed3a1512b38d147ca97bb11da7c83e56e83e470847c5946a32959056569ea51e