[INFO] crate siren 1.1.1 is already in cache
[INFO] extracting crate siren 1.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/siren/1.1.1
[INFO] extracting crate siren 1.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/siren/1.1.1
[INFO] validating manifest of siren-1.1.1 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 siren-1.1.1 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 siren-1.1.1
[INFO] finished frobbing siren-1.1.1
[INFO] frobbed toml for siren-1.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/siren/1.1.1/Cargo.toml
[INFO] started frobbing siren-1.1.1
[INFO] finished frobbing siren-1.1.1
[INFO] frobbed toml for siren-1.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/siren/1.1.1/Cargo.toml
[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 siren-1.1.1 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/siren/1.1.1:/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] d86fd8b8609c78d3afe2ada28fdedb4f73e1562d4262ee78fcaae5e29203e644
[INFO] running `"docker" "start" "-a" "d86fd8b8609c78d3afe2ada28fdedb4f73e1562d4262ee78fcaae5e29203e644"`
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling siren v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `"docker" "inspect" "d86fd8b8609c78d3afe2ada28fdedb4f73e1562d4262ee78fcaae5e29203e644"`
[INFO] running `"docker" "rm" "-f" "d86fd8b8609c78d3afe2ada28fdedb4f73e1562d4262ee78fcaae5e29203e644"`
[INFO] [stdout] d86fd8b8609c78d3afe2ada28fdedb4f73e1562d4262ee78fcaae5e29203e644
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/siren/1.1.1:/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] 9a30fd6cf690791e57d7a99d52b06ff0d1399e6a47fd53e440cce5adceed86d9
[INFO] running `"docker" "start" "-a" "9a30fd6cf690791e57d7a99d52b06ff0d1399e6a47fd53e440cce5adceed86d9"`
[INFO] [stderr]    Compiling siren v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "9a30fd6cf690791e57d7a99d52b06ff0d1399e6a47fd53e440cce5adceed86d9"`
[INFO] running `"docker" "rm" "-f" "9a30fd6cf690791e57d7a99d52b06ff0d1399e6a47fd53e440cce5adceed86d9"`
[INFO] [stdout] 9a30fd6cf690791e57d7a99d52b06ff0d1399e6a47fd53e440cce5adceed86d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/siren/1.1.1:/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] 6e6342ef98be9f8d2aed030e41ae294998e4a611b7991e83a418e5a42534b9cb
[INFO] running `"docker" "start" "-a" "6e6342ef98be9f8d2aed030e41ae294998e4a611b7991e83a418e5a42534b9cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/siren-54c2b7833dec35df
[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" "6e6342ef98be9f8d2aed030e41ae294998e4a611b7991e83a418e5a42534b9cb"`
[INFO] running `"docker" "rm" "-f" "6e6342ef98be9f8d2aed030e41ae294998e4a611b7991e83a418e5a42534b9cb"`
[INFO] [stdout] 6e6342ef98be9f8d2aed030e41ae294998e4a611b7991e83a418e5a42534b9cb