[INFO] updating cached repository dottorblaster/siren
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dottorblaster/siren
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dottorblaster/siren" "work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dottorblaster/siren" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dottorblaster/siren"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dottorblaster/siren'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 493b0eac37fd41d4122e9efe2638ef745f0415ef
[INFO] sha for GitHub repo dottorblaster/siren: 493b0eac37fd41d4122e9efe2638ef745f0415ef
[INFO] validating manifest of dottorblaster/siren 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 dottorblaster/siren 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 dottorblaster/siren
[INFO] finished frobbing dottorblaster/siren
[INFO] frobbed toml for dottorblaster/siren written to work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren/Cargo.toml
[INFO] started frobbing dottorblaster/siren
[INFO] finished frobbing dottorblaster/siren
[INFO] frobbed toml for dottorblaster/siren written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dottorblaster/siren/Cargo.toml
[INFO] crate dottorblaster/siren 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 dottorblaster/siren against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 22b2a45bda1accf39823dcf2ca7d73f67ba71f6c2d2c776ddc7cefe66f06fab8
[INFO] running `"docker" "start" "-a" "22b2a45bda1accf39823dcf2ca7d73f67ba71f6c2d2c776ddc7cefe66f06fab8"`
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling siren v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.21s
[INFO] running `"docker" "inspect" "22b2a45bda1accf39823dcf2ca7d73f67ba71f6c2d2c776ddc7cefe66f06fab8"`
[INFO] running `"docker" "rm" "-f" "22b2a45bda1accf39823dcf2ca7d73f67ba71f6c2d2c776ddc7cefe66f06fab8"`
[INFO] [stdout] 22b2a45bda1accf39823dcf2ca7d73f67ba71f6c2d2c776ddc7cefe66f06fab8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b197f52856711e9e653e5ebe0fcb4e139c240a26a780071eadd34f1729ed61f8
[INFO] running `"docker" "start" "-a" "b197f52856711e9e653e5ebe0fcb4e139c240a26a780071eadd34f1729ed61f8"`
[INFO] [stderr]    Compiling siren v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b197f52856711e9e653e5ebe0fcb4e139c240a26a780071eadd34f1729ed61f8"`
[INFO] running `"docker" "rm" "-f" "b197f52856711e9e653e5ebe0fcb4e139c240a26a780071eadd34f1729ed61f8"`
[INFO] [stdout] b197f52856711e9e653e5ebe0fcb4e139c240a26a780071eadd34f1729ed61f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dottorblaster/siren:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e390d3bd784114cc25f9da24341bb6a95b8b8acb4bd646fbb65f8517edbd5e0a
[INFO] running `"docker" "start" "-a" "e390d3bd784114cc25f9da24341bb6a95b8b8acb4bd646fbb65f8517edbd5e0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/siren-bb567b25c386cf5d
[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" "e390d3bd784114cc25f9da24341bb6a95b8b8acb4bd646fbb65f8517edbd5e0a"`
[INFO] running `"docker" "rm" "-f" "e390d3bd784114cc25f9da24341bb6a95b8b8acb4bd646fbb65f8517edbd5e0a"`
[INFO] [stdout] e390d3bd784114cc25f9da24341bb6a95b8b8acb4bd646fbb65f8517edbd5e0a