[INFO] crate symbol 0.1.7 is already in cache
[INFO] extracting crate symbol 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/symbol/0.1.7
[INFO] extracting crate symbol 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbol/0.1.7
[INFO] validating manifest of symbol-0.1.7 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 symbol-0.1.7 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 symbol-0.1.7
[INFO] finished frobbing symbol-0.1.7
[INFO] frobbed toml for symbol-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/symbol/0.1.7/Cargo.toml
[INFO] started frobbing symbol-0.1.7
[INFO] finished frobbing symbol-0.1.7
[INFO] frobbed toml for symbol-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbol/0.1.7/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 symbol-0.1.7 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbol/0.1.7:/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] 4184dd0ca6d394f5fec6824b0e10ba1fb2c7e43fb11a167a92de9fc030f3c192
[INFO] running `"docker" "start" "-a" "4184dd0ca6d394f5fec6824b0e10ba1fb2c7e43fb11a167a92de9fc030f3c192"`
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling symbol v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "4184dd0ca6d394f5fec6824b0e10ba1fb2c7e43fb11a167a92de9fc030f3c192"`
[INFO] running `"docker" "rm" "-f" "4184dd0ca6d394f5fec6824b0e10ba1fb2c7e43fb11a167a92de9fc030f3c192"`
[INFO] [stdout] 4184dd0ca6d394f5fec6824b0e10ba1fb2c7e43fb11a167a92de9fc030f3c192
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbol/0.1.7:/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] c86502cb89b03d64f4b342ab67b6c9bb441ee5841ff80eb9c06e5e2f4fda4dd0
[INFO] running `"docker" "start" "-a" "c86502cb89b03d64f4b342ab67b6c9bb441ee5841ff80eb9c06e5e2f4fda4dd0"`
[INFO] [stderr]    Compiling symbol v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "c86502cb89b03d64f4b342ab67b6c9bb441ee5841ff80eb9c06e5e2f4fda4dd0"`
[INFO] running `"docker" "rm" "-f" "c86502cb89b03d64f4b342ab67b6c9bb441ee5841ff80eb9c06e5e2f4fda4dd0"`
[INFO] [stdout] c86502cb89b03d64f4b342ab67b6c9bb441ee5841ff80eb9c06e5e2f4fda4dd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbol/0.1.7:/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] 5181c0ca3562a319641c897d89c4c2e8a73601a7a7a8dc1f08211317770c43cb
[INFO] running `"docker" "start" "-a" "5181c0ca3562a319641c897d89c4c2e8a73601a7a7a8dc1f08211317770c43cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbol-baee0fd6ccce8877
[INFO] [stderr]    Doc-tests symbol
[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 1 test
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5181c0ca3562a319641c897d89c4c2e8a73601a7a7a8dc1f08211317770c43cb"`
[INFO] running `"docker" "rm" "-f" "5181c0ca3562a319641c897d89c4c2e8a73601a7a7a8dc1f08211317770c43cb"`
[INFO] [stdout] 5181c0ca3562a319641c897d89c4c2e8a73601a7a7a8dc1f08211317770c43cb