[INFO] crate safety-guard 0.1.9 is already in cache
[INFO] extracting crate safety-guard 0.1.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/safety-guard/0.1.9
[INFO] extracting crate safety-guard 0.1.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safety-guard/0.1.9
[INFO] validating manifest of safety-guard-0.1.9 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 safety-guard-0.1.9 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 safety-guard-0.1.9
[INFO] finished frobbing safety-guard-0.1.9
[INFO] frobbed toml for safety-guard-0.1.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/safety-guard/0.1.9/Cargo.toml
[INFO] started frobbing safety-guard-0.1.9
[INFO] finished frobbing safety-guard-0.1.9
[INFO] frobbed toml for safety-guard-0.1.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safety-guard/0.1.9/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 safety-guard-0.1.9 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/safety-guard/0.1.9:/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] 6173a80f1d50b21961ee62db9bfe14104de536668ff715ff7b419fabfaf0fd29
[INFO] running `"docker" "start" "-a" "6173a80f1d50b21961ee62db9bfe14104de536668ff715ff7b419fabfaf0fd29"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling safety-guard v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.37s
[INFO] running `"docker" "inspect" "6173a80f1d50b21961ee62db9bfe14104de536668ff715ff7b419fabfaf0fd29"`
[INFO] running `"docker" "rm" "-f" "6173a80f1d50b21961ee62db9bfe14104de536668ff715ff7b419fabfaf0fd29"`
[INFO] [stdout] 6173a80f1d50b21961ee62db9bfe14104de536668ff715ff7b419fabfaf0fd29
[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/safety-guard/0.1.9:/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] 74195ca49920a7faf120fbd47a8efce2fc5c9357612e96d6aa74a0cedff7c583
[INFO] running `"docker" "start" "-a" "74195ca49920a7faf120fbd47a8efce2fc5c9357612e96d6aa74a0cedff7c583"`
[INFO] [stderr]    Compiling safety-guard v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "74195ca49920a7faf120fbd47a8efce2fc5c9357612e96d6aa74a0cedff7c583"`
[INFO] running `"docker" "rm" "-f" "74195ca49920a7faf120fbd47a8efce2fc5c9357612e96d6aa74a0cedff7c583"`
[INFO] [stdout] 74195ca49920a7faf120fbd47a8efce2fc5c9357612e96d6aa74a0cedff7c583
[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/safety-guard/0.1.9:/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] c22f4f9004f2bbed7ee1b03a9b583a65ba21b2dc79b60efbb60dd4a0a29c2b9e
[INFO] running `"docker" "start" "-a" "c22f4f9004f2bbed7ee1b03a9b583a65ba21b2dc79b60efbb60dd4a0a29c2b9e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/safety_guard-b2689208f278b2d3
[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] [stderr]    Doc-tests safety-guard
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - safety (line 75) ... ok
[INFO] [stdout] test src/lib.rs - safety (line 63) ... ok
[INFO] [stdout] test src/lib.rs - safety (line 86) ... ok
[INFO] [stdout] test src/lib.rs - safety (line 41) ... ok
[INFO] [stdout] test src/lib.rs - safety (line 52) ... ok
[INFO] [stdout] test src/lib.rs - safety (line 109) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c22f4f9004f2bbed7ee1b03a9b583a65ba21b2dc79b60efbb60dd4a0a29c2b9e"`
[INFO] running `"docker" "rm" "-f" "c22f4f9004f2bbed7ee1b03a9b583a65ba21b2dc79b60efbb60dd4a0a29c2b9e"`
[INFO] [stdout] c22f4f9004f2bbed7ee1b03a9b583a65ba21b2dc79b60efbb60dd4a0a29c2b9e