[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 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-2/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3792f40112e6c77251f94eeb3f8123d0de2b5aeed5f56c882f8737bb76e27492
[INFO] running `"docker" "start" "-a" "3792f40112e6c77251f94eeb3f8123d0de2b5aeed5f56c882f8737bb76e27492"`
[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 0.77s
[INFO] running `"docker" "inspect" "3792f40112e6c77251f94eeb3f8123d0de2b5aeed5f56c882f8737bb76e27492"`
[INFO] running `"docker" "rm" "-f" "3792f40112e6c77251f94eeb3f8123d0de2b5aeed5f56c882f8737bb76e27492"`
[INFO] [stdout] 3792f40112e6c77251f94eeb3f8123d0de2b5aeed5f56c882f8737bb76e27492
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06665f685c6943613b90142b9b5bd421d1e5acb5616baca97a39b3e31a34963f
[INFO] running `"docker" "start" "-a" "06665f685c6943613b90142b9b5bd421d1e5acb5616baca97a39b3e31a34963f"`
[INFO] [stderr]    Compiling symbol v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "06665f685c6943613b90142b9b5bd421d1e5acb5616baca97a39b3e31a34963f"`
[INFO] running `"docker" "rm" "-f" "06665f685c6943613b90142b9b5bd421d1e5acb5616baca97a39b3e31a34963f"`
[INFO] [stdout] 06665f685c6943613b90142b9b5bd421d1e5acb5616baca97a39b3e31a34963f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 28fc6a03475e3b0a98300ef47ab9ec064566fb038bd05185406180fe1f970ea7
[INFO] running `"docker" "start" "-a" "28fc6a03475e3b0a98300ef47ab9ec064566fb038bd05185406180fe1f970ea7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbol-09994081a9a84180
[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 symbol
[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" "28fc6a03475e3b0a98300ef47ab9ec064566fb038bd05185406180fe1f970ea7"`
[INFO] running `"docker" "rm" "-f" "28fc6a03475e3b0a98300ef47ab9ec064566fb038bd05185406180fe1f970ea7"`
[INFO] [stdout] 28fc6a03475e3b0a98300ef47ab9ec064566fb038bd05185406180fe1f970ea7