[INFO] crate ravenlib 1.2.4 is already in cache
[INFO] extracting crate ravenlib 1.2.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ravenlib/1.2.4
[INFO] extracting crate ravenlib 1.2.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ravenlib/1.2.4
[INFO] validating manifest of ravenlib-1.2.4 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 ravenlib-1.2.4 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 ravenlib-1.2.4
[INFO] removed 1 missing tests
[INFO] finished frobbing ravenlib-1.2.4
[INFO] frobbed toml for ravenlib-1.2.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ravenlib/1.2.4/Cargo.toml
[INFO] started frobbing ravenlib-1.2.4
[INFO] removed 1 missing tests
[INFO] finished frobbing ravenlib-1.2.4
[INFO] frobbed toml for ravenlib-1.2.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ravenlib/1.2.4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ravenlib-1.2.4 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ravenlib/1.2.4:/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] 314f69b442862868d39ad0ffc494c45cf0ab59dd7ff49d6660c5c4abee239f16
[INFO] running `"docker" "start" "-a" "314f69b442862868d39ad0ffc494c45cf0ab59dd7ff49d6660c5c4abee239f16"`
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling multipart v0.15.4
[INFO] [stderr]    Compiling ravenlib v1.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]  --> src/ravenserver.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `"docker" "inspect" "314f69b442862868d39ad0ffc494c45cf0ab59dd7ff49d6660c5c4abee239f16"`
[INFO] running `"docker" "rm" "-f" "314f69b442862868d39ad0ffc494c45cf0ab59dd7ff49d6660c5c4abee239f16"`
[INFO] [stdout] 314f69b442862868d39ad0ffc494c45cf0ab59dd7ff49d6660c5c4abee239f16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ravenlib/1.2.4:/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] bd66d9716aa37850b8b573264270947beba982bba50ce07f477220f84d2e7cee
[INFO] running `"docker" "start" "-a" "bd66d9716aa37850b8b573264270947beba982bba50ce07f477220f84d2e7cee"`
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling human-panic v1.0.1
[INFO] [stderr]    Compiling ravenlib v1.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]  --> src/ravenserver.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `"docker" "inspect" "bd66d9716aa37850b8b573264270947beba982bba50ce07f477220f84d2e7cee"`
[INFO] running `"docker" "rm" "-f" "bd66d9716aa37850b8b573264270947beba982bba50ce07f477220f84d2e7cee"`
[INFO] [stdout] bd66d9716aa37850b8b573264270947beba982bba50ce07f477220f84d2e7cee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ravenlib/1.2.4:/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] 879ebe5a7b496cdded96cee8509ee452ae0a1a516ed8e8164668374e295837af
[INFO] running `"docker" "start" "-a" "879ebe5a7b496cdded96cee8509ee452ae0a1a516ed8e8164668374e295837af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ravenlib-46102cfae0b54ae9
[INFO] [stderr]    Doc-tests ravenlib
[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] [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" "879ebe5a7b496cdded96cee8509ee452ae0a1a516ed8e8164668374e295837af"`
[INFO] running `"docker" "rm" "-f" "879ebe5a7b496cdded96cee8509ee452ae0a1a516ed8e8164668374e295837af"`
[INFO] [stdout] 879ebe5a7b496cdded96cee8509ee452ae0a1a516ed8e8164668374e295837af